FCC ID: WPX-ATGB Air-To-Ground TransceiverModular

CURRENT REVISION ECO NUMBER EFFECTIVE DATE ORIGINATOR C01395 C01462 C01794 C02220 C05139 C 2008-01-16 2008-02-21 2008-08-18 2008-11-20 2010-04-15 2014-12-31 Brad Schnair Brad Schnair Brad Schnair Brad Schnair Brad Schnair Joseph Tobin REV A B C D E F INFORMATION IN THIS DOCUMENT IS PROPRIETARY. IT IS ISSUED IN CONFIDENCE AND SHALL NOT BE USED AS A BASIS FOR MANUFACTURE WITHOUT WRITTEN PERMISSION FROM GOGO LLC APPROVALS:

PREPARED BY JOSEPH TOBIN TITLE:

Gogo LLC 1250 N. Arlington Heights Rd. Suite 500 Itasca, IL 60143 Gogo LLC 814 Thorndale Avenue Bensenville, IL 60106 DOCUMENT APPROVALS ARE ELECTRONIC AND ARE MAINTAINED IN THE CONFIGURATION MANAGEMENT DATABASE SYSTEM (AGILE) ABS OPERATIONAL USERS MANUAL SIZE A CAGE CODE 1NQ67 DOCUMENT NUMBER D12751 REV F SH 1 OF 30 The master version of this document resides on the Gogo LLC Configuration Management Server. Printed copies are considered uncontrolled, until verified as current by comparing with the master. It is the responsibility of the user to verify the most current revision. Gogo LLC Confidential and Proprietary Template D13480, Rev E Revision Date A B C 2008-01-16 2008-02-21 2008-08-18 D 2008-11-20 Approval Brad Schnair Brad Schnair Brad Schnair Brad Schnair Change History Description of Change New/Initial Release Added menu-based software reset, section 12 ABS Master Switch: Added statement regarding system start-up time Section 4 - Placing a Call: Added statement regarding availability of Direct Dialing Section 10 - Setup Menu, Option 2 ABS Status:

Added description of features now available Section 11 - ABS Corded SIP Handset Icons:

Added description of ABS Link Status Icon ABS Master Switch: Removed reference to switch illumination Section 1 - Powering On: Added statements for Rev E (or earlier) handsets and Rev F (or later) handsets Section 1 - Added instructions for powering Off Section 2 - Idle Displays: Added description of Display Blanking and recovery Section 4 - Placing a Call: Added instructions for ending a direct-dialed call that has been blocked Section 7 - Receiving a Call: Added statement regarding the availability of incoming calls Section 10, Option 1, Item 6 - Display Blanking Timer: Added statement that the Never option is not recommended Section 13 (new) - Comm Control Menu:

Inserted section that adds description of FCN 8 menu for control of WiFi SSIDs Itasca, IL Bensenville, IL Title: ABS OPERATIONAL USERS MANUAL SIZE A CAGE CODE 1NQ67 DOCUMENT NUMBER D12751 REV F SH 2 of 28 The master version of this document resides on the Gogo LLC Configuration Management Server. Printed copies are considered uncontrolled, until verified as current by comparing with the master. It is the responsibility of the user to verify the most current revision. Gogo LLC Confidential and Proprietary Template D13480, Rev E Revision Date E 2010-04-15 F 2014-12-31 Change History (continued) Description of Change Section 1 - Replaced Display #1 picture with Axxess boot screen Section 1 - Removed note about display blanking during handset boot-up Section 1 - Added guidance that handsets may power off during brief power interruptions Section 2 - Deleted references to TM radio link Sections 2, 4, and 7 - Added guidance that phone calls are not supported below 10,000 feet AGL Section 12 - Changed section name from Handset Software Reboot to Handset Reboot. Added preferred handset reboot method for Revision F (or later) handsets. Removed the previous revisions Section 13 Communication Control Menu and set the FCN 8 menu status back to For Future Use Updated Template Replaced Aircell with Gogo Pg 4 - Removed Aircell Logo Pg 6 - Added Transmitter Section Approval Brad Schnair Joseph Tobin Itasca, IL Bensenville, IL Title: ABS OPERATIONAL USERS MANUAL SIZE A CAGE CODE 1NQ67 DOCUMENT NUMBER D12751 REV F SH 3 of 28 The master version of this document resides on the Gogo LLC Configuration Management Server. Printed copies are considered uncontrolled, until verified as current by comparing with the master. It is the responsibility of the user to verify the most current revision. Gogo LLC Confidential and Proprietary Template D13480, Rev E ABS Operational Users Manual Revision F Dec 31, 2014 Itasca, IL Bensenville, IL Title: ABS OPERATIONAL USERS MANUAL SIZE A CAGE CODE 1NQ67 DOCUMENT NUMBER D12751 REV F SH 4 of 28 The master version of this document resides on the Gogo LLC Configuration Management Server. Printed copies are considered uncontrolled, until verified as current by comparing with the master. It is the responsibility of the user to verify the most current revision. Gogo LLC Confidential and Proprietary Template D13480, Rev E Table of Contents Transmitters ................................................................................................................................................. 6 ABS Master Switch ...................................................................................................................................... 7 ABS Breakers ............................................................................................................................................... 7 ABS Corded SIP Handset ............................................................................................................................ 8 Powering On and Off ......................................................................................................................... 9 1. 2. Idle Displays ...................................................................................................................................... 10 Locking and Unlocking the Handset .............................................................................................. 12 3. Placing a Call .................................................................................................................................... 13 4. 5. Call Progress ..................................................................................................................................... 14 Ending a Call .................................................................................................................................... 14 6. Receiving a Call ................................................................................................................................ 15 7. 8. In-Call Functions .............................................................................................................................. 16 9. Volume and Brightness .................................................................................................................... 17 10. Setup Menu ....................................................................................................................................... 19 11. ABS Corded SIP Handset Icons ..................................................................................................... 25 12. Handset Reboot ................................................................................................................................ 26 13. Keypad Function Reference ............................................................................................................ 27 14. Menu Reference ................................................................................................................................ 28 Itasca, IL Bensenville, IL Title: ABS OPERATIONAL USERS MANUAL SIZE A CAGE CODE 1NQ67 DOCUMENT NUMBER D12751 REV F SH 5 of 28 The master version of this document resides on the Gogo LLC Configuration Management Server. Printed copies are considered uncontrolled, until verified as current by comparing with the master. It is the responsibility of the user to verify the most current revision. Gogo LLC Confidential and Proprietary Template D13480, Rev E Transmitters The ABS Systems may contain the following transmitters:

Air-To-Ground Modem: 894-896 MHz Air-To-Ground Modem B: 894-896 MHz Kandu: 14-14.5 GHz Terrestrial Modem: Cellular & PCS Bands Cabin Wireless Access Point: 2.4 GHz & 5 GHz M-Cabin Wireless Access Point: 2.4 GHz & 5 GHz 802.11N Cabin Wireless Access Point: 2.4 GHz & 5 GHz These transmitters have received appropriate regulat ory certifications beyond the required civil aviation certifications, e.g. FCC, IC, CE. certifications, the end user is not able to m odify or re-configure any of the devices, m odify cabling, or change antenna locations without Gogos written instructions to do so. Contact Gogo for any configuration changes. Unauthorized changes may void the certifcation of the products. In order to insure proper operation under these Itasca, IL Bensenville, IL Title: ABS OPERATIONAL USERS MANUAL SIZE A CAGE CODE 1NQ67 DOCUMENT NUMBER D12751 REV F SH 6 of 28 The master version of this document resides on the Gogo LLC Configuration Management Server. Printed copies are considered uncontrolled, until verified as current by comparing with the master. It is the responsibility of the user to verify the most current revision. Gogo LLC Confidential and Proprietary Template D13480, Rev E ABS Master Switch The ABS Master Power Switch is utilized to enable and disable the ABS System. It is located within the cabin in a location accessible by the flight crew. When the Master Power Switch is disabled, power is removed from all components of the ABS System. When the Master Power Switch is enabled, power is applied to all components of the ABS System. After power is applied to the ABS system, it may take up to 15 minutes for the system to become operational. ABS Breakers The ABS system contains breakers that can be used to disable the ABS System. The breakers are located within the flight deck for access by the flight crew. Refer to aircraft specific flight manual supplement on location of the breakers. Itasca, IL Bensenville, IL Title: ABS OPERATIONAL USERS MANUAL SIZE A CAGE CODE 1NQ67 DOCUMENT NUMBER D12751 REV F SH 7 of 28 The master version of this document resides on the Gogo LLC Configuration Management Server. Printed copies are considered uncontrolled, until verified as current by comparing with the master. It is the responsibility of the user to verify the most current revision. Gogo LLC Confidential and Proprietary Template D13480, Rev E ABS Corded SIP Handset The Gogo ABS Corded SIP Handset (the handset) is a full-sized handset used to support Air-to-Ground telephone communications when using the Gogo ABS system. The handset is also capable of displaying ABS system status and controlling a limited number of ABS system functions. The handset approximate dimensions are: 7.8 Length, 2.1 Width, 1.8 Height, not including the coil cord. Itasca, IL Bensenville, IL Title: ABS OPERATIONAL USERS MANUAL SIZE A CAGE CODE 1NQ67 DOCUMENT NUMBER D12751 REV F SH 8 of 28 The master version of this document resides on the Gogo LLC Configuration Management Server. Printed copies are considered uncontrolled, until verified as current by comparing with the master. It is the responsibility of the user to verify the most current revision. Gogo LLC Confidential and Proprietary Template D13480, Rev E Gogo ABS Corded SIP Handset 1. Powering On and Off Powering ON Handsets of Revision F (or higher): After ABS system power is applied, press and hold the SND key on the handset until the screen illuminates. Handsets of Revision E (or lower): The handset automatically powers on when ABS system power is applied. While the handset is initializing (approximately 20 seconds), the following screen will be displayed:

Display #1 - Initializing After initialization, the handset will attempt to register with the Aircell VoIP server. During this process, one of two screens will be displayed depending upon whether or not the handset has been locked. (See section 3 for details on handset locking and unlocking.) Unlocked: The handset is attempting to connect to the Aircell VoIP server. Phone calls are not supported while this screen is displayed, but the Setup Menu is accessible. Display #2 - Handset is unlocked, Waiting to connect to VoIP Server Locked: Whenever the handset is locked, this screen is displayed. Usage of the handset is prevented until the handset is unlocked. Display #3 - Handset is locked Itasca, IL Bensenville, IL Title: ABS OPERATIONAL USERS MANUAL SIZE A CAGE CODE 1NQ67 DOCUMENT NUMBER D12751 REV F SH 9 of 28 The master version of this document resides on the Gogo LLC Configuration Management Server. Printed copies are considered uncontrolled, until verified as current by comparing with the master. It is the responsibility of the user to verify the most current revision. Gogo LLC Confidential and Proprietary Template D13480, Rev E Once the handset has attempted to connect to the Aircell VoIP server, the handset will enter an Idle mode. See section 2. 1. Powering On and Off (continued) Powering OFF Handsets of Revision F (or higher): Press and hold the END key on the handset until the screen goes dark

(approximately 7 seconds). The handset will also power off when ABS system power is removed. The handset may power off during transitions between internal and external aircraft power, but only if power is interrupted for longer than 200ms. Handsets of Revision E (or lower): The handset powers off only when ABS system power is removed. NOTE: Once powered off, the handset can only be powered on per the Powering ON instructions on the previous page. 2. Idle Displays Blank Display After 30-60 seconds of inactivity, the Display Blanking Timer (Section 10, Option 6) will cause the handset display to go dark. Press the END key to recover the display. IMPORTANT! - Always use the END key first to recover the display. Use of other keys may trigger a handset function, such as last number redial. Handsets of Revision F (or higher) only: If the END key does not recover the display, it is likely that the handset is powered Off. Press and hold the SND key to power On. Active Displays When the handset is powered on and is not involved in a phone call or menu session, the handset will be in one of four possible Idle modes as shown below. Locked: Usage of the handset is prevented until the handset is unlocked. See Display #3 on the previous page. Unlocked, Connected: The handset is unlocked and can communicate with the Aircell VoIP server. This is the only mode that supports phone calls. All user menus are accessible. This mode is possible only when the ABS system has established an external connection via the ATG radio link at an altitude above 10,000 feet AGL. During normal system usage, phone calls are not supported below 10,000 feet AGL. Itasca, IL Bensenville, IL Title: ABS OPERATIONAL USERS MANUAL SIZE A CAGE CODE 1NQ67 DOCUMENT NUMBER D12751 REV F SH 10 of 28 The master version of this document resides on the Gogo LLC Configuration Management Server. Printed copies are considered uncontrolled, until verified as current by comparing with the master. It is the responsibility of the user to verify the most current revision. Gogo LLC Confidential and Proprietary Template D13480, Rev E Display #4 - Idle mode (Unlocked, Connected) 2. Idle Displays (continued) Unlocked, Disconnected: The handset is unlocked, but cannot communicate with the Aircell VoIP server.

(ATG radio link not established.) Phone calls are not supported, but all user menus are accessible. Display #5 - Idle mode (Unlocked, Disconnected) Unlocked, No IP Address: The handset is unlocked, but has not been assigned an IP Address by the ABS system. Phone calls are not supported. User menus are accessible, but most functions will not be available. Display #6 - Idle mode (Unlocked, No IP Address) Itasca, IL Bensenville, IL Title: ABS OPERATIONAL USERS MANUAL SIZE A CAGE CODE 1NQ67 DOCUMENT NUMBER D12751 REV F SH 11 of 28 The master version of this document resides on the Gogo LLC Configuration Management Server. Printed copies are considered uncontrolled, until verified as current by comparing with the master. It is the responsibility of the user to verify the most current revision. Gogo LLC Confidential and Proprietary Template D13480, Rev E 3. Locking and Unlocking the Handset To prevent unauthorized usage, the handset supports a manual LOCK function. It is not possible to use the handset when it is locked. The handset remains locked even after a exercising a power cycle (power off, then on). Lock the handset: The handset must be in an Unlocked Idle mode. Press FCN, then 5, to access the Lock screen. Press STO to lock the handset (Display #3), or press END to cancel the lock request. Display #7 - Locking the handset Display #3 - Handset is locked Unlock the handset: When the handset is locked, enter the correct 3-digit Unlock code to unlock the handset and return to an Unlocked Idle mode. If the wrong code is entered, the handset will display Unlock code incorrect and return to Display #3. Display #8 - Entering the Unlock code Itasca, IL Bensenville, IL Title: ABS OPERATIONAL USERS MANUAL SIZE A CAGE CODE 1NQ67 DOCUMENT NUMBER D12751 REV F SH 12 of 28 The master version of this document resides on the Gogo LLC Configuration Management Server. Printed copies are considered uncontrolled, until verified as current by comparing with the master. It is the responsibility of the user to verify the most current revision. Gogo LLC Confidential and Proprietary Template D13480, Rev E Display #9 - Incorrect Unlock code 4. Placing a Call The Aircell ABS Corded SIP Handset is operated in a manner similar to a cellular telephone. There is no dial tone, and the SND and END keys are used to start/stop a phone call. There are three methods for placing a phone call, as shown below. NOTE: During normal system usage, phone calls are not supported below 10,000 feet AGL. Direct Dialing: From the Unlocked, Connected Idle mode (Display #4), enter a phone number using the keypad. Use the CLR key to backspace and erase incorrect digits. Press SND to place the call, or press END to cancel and return to Unlocked Idle mode. NOTE: Direct-dialed calls may be blocked by the Aircell ground network at the discretion of Aircell or the airline customer. Press END to abort a direct-dialed call that has been blocked. Display #10 - Direct Dialing Phonebook Dialing: From the Unlocked, Connected Idle mode (Display #4), press RCL to access the Phonebook. Use the / keys to scroll the blue highlight bar up/down until the desired entry is selected. Press SND to place the call, or press END to cancel and return to Unlocked Idle mode. Display #11 - Phonebook Dialing Itasca, IL Bensenville, IL Title: ABS OPERATIONAL USERS MANUAL SIZE A CAGE CODE 1NQ67 DOCUMENT NUMBER D12751 REV F SH 13 of 28 The master version of this document resides on the Gogo LLC Configuration Management Server. Printed copies are considered uncontrolled, until verified as current by comparing with the master. It is the responsibility of the user to verify the most current revision. Gogo LLC Confidential and Proprietary Template D13480, Rev E Last Number Redial: From the Unlocked, Connected Idle mode (Display #4), press SND to place a call to the last number that was dialed. 5. Call Progress As the call is being set up through the Aircell VoIP network, and when the called party is ringing, the following screen is displayed. The word Dialing flashes at a slow rate. Press END to cancel the call and return to Unlocked Idle mode. Display #12 - Call Setup (Dialing) After call setup is complete and the called party has answered, the following screen is displayed. Display #13 - Call in Progress 6. Ending a Call Press END to hang up and return to Unlocked Idle mode. All other methods of call termination, including called party hung up and loss-of-signal, will end the call and return to the Unlocked Idle mode. Itasca, IL Bensenville, IL Title: ABS OPERATIONAL USERS MANUAL SIZE A CAGE CODE 1NQ67 DOCUMENT NUMBER D12751 REV F SH 14 of 28 The master version of this document resides on the Gogo LLC Configuration Management Server. Printed copies are considered uncontrolled, until verified as current by comparing with the master. It is the responsibility of the user to verify the most current revision. Gogo LLC Confidential and Proprietary Template D13480, Rev E 7. Receiving a Call If the handset has a connection to the Aircell VoIP server, it is capable of receiving an incoming phone call. The handset display and keypad will illuminate when an incoming call is received. While ringing, the handset is capable of providing an Audible Ringer, a Visual Ringer, or both. See sections 9, 10, and 11 for ringer options. NOTE: During normal system usage, phone calls are not supported below 10,000 feet AGL. Incoming calls may be blocked by the Aircell ground network at the discretion of Aircell or the airline customer. While Unlocked: If the handset is unlocked, the following screen is displayed. The words Incoming Call flash at a slow rate. Press SND to answer the incoming call, or press END to reject the incoming call. Display #14 - Incoming Call (Unlocked) While Locked: If the handset is locked, the following screen is displayed. The words Incoming Call and Handset Locked flash at a slow rate. The handset must be unlocked by entering the correct 3-digit Unlock code before the incoming call can be answered. Once the handset is unlocked, the incoming call will proceed as shown above (Display #14). Display #15 - Incoming Call (Locked) Itasca, IL Bensenville, IL Title: ABS OPERATIONAL USERS MANUAL SIZE A CAGE CODE 1NQ67 DOCUMENT NUMBER D12751 REV F SH 15 of 28 The master version of this document resides on the Gogo LLC Configuration Management Server. Printed copies are considered uncontrolled, until verified as current by comparing with the master. It is the responsibility of the user to verify the most current revision. Gogo LLC Confidential and Proprietary Template D13480, Rev E 8. In-Call Functions The following functions are available when a phone call is in progress. Microphone (mouthpiece) Mute: Press FCN, then 6 to mute the microphone. The other party will no longer be able to hear the handset. Press FCN, then 6 again to unmute the microphone and allow the other party to hear the handset. The current microphone status is shown as an icon near the upper-right corner of the display (see section 11). Display #16 - Microphone muted Call Hold: Press HLD to place a call on hold. The words Call Holding flash at a slow rate. Press HLD again to restore the call, or press END to hang up the call. Display #17 - Call on hold Display Blanking: 90 seconds into a phone call, the Handset display will go blank (dark). This is normal behavior. Itasca, IL Bensenville, IL Title: ABS OPERATIONAL USERS MANUAL SIZE A CAGE CODE 1NQ67 DOCUMENT NUMBER D12751 REV F SH 16 of 28 The master version of this document resides on the Gogo LLC Configuration Management Server. Printed copies are considered uncontrolled, until verified as current by comparing with the master. It is the responsibility of the user to verify the most current revision. Gogo LLC Confidential and Proprietary Template D13480, Rev E 9. Volume and Brightness The following volume and screen brightness adjustments are available during handset operation. These adjustments may be accessed as described here, or via the FCN 4 setup menu (section 10). Earpiece Volume: During a phone call or Unlocked Idle mode, use the / keys to access the Earpiece Volume screen and adjust the earpiece volume up/down. When the desired volume is reached, press STO to save the new volume setting. Press END to abort volume adjustment and return to the previous volume setting. Display #18 - Earpiece Volume adjustment Audible Ringer Volume: From an Unlocked Idle mode, press FCN, then 1 to access the Ringer Volume screen. Use the / keys to adjust the ringer volume up/down. The minimum setting (all bars green) will mute the audible ringer. When the desired volume is reached, press STO to save the new volume setting. Press END to abort volume adjustment and return to the previous volume setting. The current audible ringer status is shown as an icon near the upper-right corner of the display (see section 11). Display #19 - Ringer Volume adjustment Keytone Volume (sound when keys are pressed): From an Unlocked Idle mode, press FCN, then 2 to access the Keytone Volume screen. Use the / keys to adjust the keytone volume up/down. The minimum setting (all bars green) will mute the keytones. When the desired volume is reached, press STO to save the new volume setting. Press END to abort volume adjustment and return to the previous volume setting. Itasca, IL Bensenville, IL Title: ABS OPERATIONAL USERS MANUAL SIZE A CAGE CODE 1NQ67 DOCUMENT NUMBER D12751 REV F SH 17 of 28 The master version of this document resides on the Gogo LLC Configuration Management Server. Printed copies are considered uncontrolled, until verified as current by comparing with the master. It is the responsibility of the user to verify the most current revision. Gogo LLC Confidential and Proprietary Template D13480, Rev E 9. Volume and Brightness (continued) Display #20 - Keytone Volume adjustment Display Brightness: From an Unlocked Idle mode, press FCN, then 3 to access the Display Brightness screen. Use the / keys to adjust the display brightness up/down. When the desired brightness is reached, press STO to save the new brightness setting. Press END to abort brightness adjustment and return to the previous brightness setting. Display #21 - Display Brightness adjustment Itasca, IL Bensenville, IL Title: ABS OPERATIONAL USERS MANUAL SIZE A CAGE CODE 1NQ67 DOCUMENT NUMBER D12751 REV F SH 18 of 28 The master version of this document resides on the Gogo LLC Configuration Management Server. Printed copies are considered uncontrolled, until verified as current by comparing with the master. It is the responsibility of the user to verify the most current revision. Gogo LLC Confidential and Proprietary Template D13480, Rev E 10. Setup Menu The handset offers access to user-preference settings and system status via the Setup Menu. From an Unlocked Idle mode, press FCN, then 4 to access the Setup Menu. Display #22 - FCN 4, Setup Menu (Top Level) While traversing menu screens, the following navigation methods are available.

(/ keys): Scroll the blue highlight bar up/down until the desired option is selected. Press SND to access or set the desired option.

(Keypad Digit): Instead of scrolling and using SND to choose a menu option, press a number on the keypad that corresponds to the desired menu option to directly access it. CLR: Abort the current menu and go back to the previous menu screen. END: Abort all menus and return to Unlocked Idle mode. Itasca, IL Bensenville, IL Title: ABS OPERATIONAL USERS MANUAL SIZE A CAGE CODE 1NQ67 DOCUMENT NUMBER D12751 REV F SH 19 of 28 The master version of this document resides on the Gogo LLC Configuration Management Server. Printed copies are considered uncontrolled, until verified as current by comparing with the master. It is the responsibility of the user to verify the most current revision. Gogo LLC Confidential and Proprietary Template D13480, Rev E Setup Menu, Option 1 - User Configuration This option contains user-preference settings. Display #23 - FCN 4_1, User Configuration Menu 1: Ring Pattern - This option chooses the ring pattern (ringtone) used for the audible ringer during an incoming call. This setting may be overridden via signaling from the Aircell VoIP server. Display #24 - FCN 4_1_1, Ring Pattern 2: Earpiece Volume - This option is identical to Section 9, Display #18. 3: Ringer Volume - This option is identical to Section 9, Display #19. 4: Keytone Volume - This option is identical to Section 9, Display #20. 5: Display Brightness - This option is identical to Section 9, Display #21. 6: Display Blanking Timer - This option sets the length of time after the last keypress (in any Idle mode) before the handset display goes blank. The Never option will keep the handset display visible at all times when idle, but this will result in appreciable screen burn-in and is not recommended. Itasca, IL Bensenville, IL Title: ABS OPERATIONAL USERS MANUAL SIZE A CAGE CODE 1NQ67 DOCUMENT NUMBER D12751 REV F SH 20 of 28 The master version of this document resides on the Gogo LLC Configuration Management Server. Printed copies are considered uncontrolled, until verified as current by comparing with the master. It is the responsibility of the user to verify the most current revision. Gogo LLC Confidential and Proprietary Template D13480, Rev E Display #25 - FCN 4_1_6, Display Blanking Timer Setup Menu, Option 1 - User Configuration (continued) 7: Keypad Backlight Timer - This option sets the length of time after the last keypress (in any mode) before the keypad backlighting (orange LEDs) goes off. The Never option will keep the keypad backlighting on at all times. Display #26 - FCN 4_1_7, Keypad Backlight Timer 8: Visual Ringer - This option controls the Visual Ringer feature. When set to On, the handset display and keypad will slowly flash when an incoming call is received. Display #27 - FCN 4_1_8, Visual Ringer 9: Restore Default Configuration - This option will restore User Configuration options 1 through 8 back to factory values. Press STO to activate. Display #28 - FCN 4_1_9, Restore Default Configuration Itasca, IL Bensenville, IL Title: ABS OPERATIONAL USERS MANUAL SIZE A CAGE CODE 1NQ67 DOCUMENT NUMBER D12751 REV F SH 21 of 28 The master version of this document resides on the Gogo LLC Configuration Management Server. Printed copies are considered uncontrolled, until verified as current by comparing with the master. It is the responsibility of the user to verify the most current revision. Gogo LLC Confidential and Proprietary Template D13480, Rev E Setup Menu, Option 2 - ABS Status This option displays the operational status of various ABS components. Additionally, a Maintenance Alert message can be sent to the Aircell Network Operations Center (NOC), or a Conditional Reset of the ABS system can be commanded. Display #29 - FCN 4_2, ABS Status Menu 1: ATG (Air-to-Ground) Link Status - This option displays the current status of the ATG radio link. This status screen provides the same information as the ATG Link Icon (Section 11), but in a verbose format. Possible displays are:

ABS OK - No ATG Signal - The ABS system is operating normally, but the ATG radio link is not currently established. ABS OK - ATG Signal Level: (x)/5 - The ABS system is operating normally, and the ATG radio link is currently connected with a relative strength of x out of 5 units. (1 = very weak, 5 = very strong) ABS Fault - The ABS system has detected a fault, and may be attempting auto-recovery procedures. If this condition persists for more than 10 minutes, airline personnel may manually reset the ABS system. If a manual reset does not recover the ABS system, please contact Aircell Airline Technical Support for service. 1-877-GOGO-FLY (1-877-464-6359) Display #30 - FCN 4_2_1, ATG Link Status 2: ACPU Status - This option displays the current status of the ACPU device. Possible displays are:

Enable - The ACPU device is operating normally. Disable - The ACPU device has encountered a fault. Itasca, IL Bensenville, IL Title: ABS OPERATIONAL USERS MANUAL SIZE A CAGE CODE 1NQ67 DOCUMENT NUMBER D12751 REV F SH 22 of 28 The master version of this document resides on the Gogo LLC Configuration Management Server. Printed copies are considered uncontrolled, until verified as current by comparing with the master. It is the responsibility of the user to verify the most current revision. Gogo LLC Confidential and Proprietary Template D13480, Rev E Display #31 - FCN 4_2_2, ACPU Status Setup Menu, Option 2 - ABS Status (continued) 3: AACU Status - This option displays the current status of the AACU device. Possible displays are:

Enable - The AACU device is operating normally. Disable - The AACU device has encountered a fault. Display #32 - FCN 4_2_3, AACU Status 4: Send Maintenance Alert - If airline personnel suspect an intermittent service problem with the ABS system, this option can be used to send a Maintenance Alert message to the Aircell Network Operations Center (NOC) via the ATG radio link. This message will alert the Aircell NOC that the ABS system on a particular aircraft may be experiencing problems. Once this option is selected, press STO to send the Maintenance Alert message, or press CLR to return to the previous menu. Display #33 - FCN 4_2_4, Send Maintenance Alert 5: Conditional Reset - If airline personnel suspect that the ABS system is in an impaired state, this option can be used to prompt the ABS system to initiate a software reset. The ABS system will then evaluate the current operational state, send an alert message to the Aircell NOC, and initiate a reset if warranted. Once this option is selected, press STO to request a reset, or press CLR to return to the previous menu. Itasca, IL Bensenville, IL Title: ABS OPERATIONAL USERS MANUAL SIZE A CAGE CODE 1NQ67 DOCUMENT NUMBER D12751 REV F SH 23 of 28 The master version of this document resides on the Gogo LLC Configuration Management Server. Printed copies are considered uncontrolled, until verified as current by comparing with the master. It is the responsibility of the user to verify the most current revision. Gogo LLC Confidential and Proprietary Template D13480, Rev E Display #34 - FCN 4_2_5, Conditional Reset Setup Menu, Option 3 - Version Information This option displays the current hardware (H/W) and software (S/W) versions of the handset. Press CLR to return to the previous menu, or END to return to Unlocked Idle mode. Display #35 - FCN 4_3, Version Information Itasca, IL Bensenville, IL Title: ABS OPERATIONAL USERS MANUAL SIZE A CAGE CODE 1NQ67 DOCUMENT NUMBER D12751 REV F SH 24 of 28 The master version of this document resides on the Gogo LLC Configuration Management Server. Printed copies are considered uncontrolled, until verified as current by comparing with the master. It is the responsibility of the user to verify the most current revision. Gogo LLC Confidential and Proprietary Template D13480, Rev E 11. ABS Corded SIP Handset Icons Microphone (mouthpiece) Status: The current microphone status (muted/unmuted, Section 8) is shown as an icon near the upper-right corner of the display. Audible Ringer Status: The current audible ringer status (muted/unmuted, Section 9) is shown as an icon near the upper-right corner of the display. ATG Link Status: The current ATG Link status is shown as an icon near the upper-center of the display. Note the appearance of the ABS Link Status Icon. See Section 10, Option 2_1 for a full description of ATG Link states. Itasca, IL Bensenville, IL Title: ABS OPERATIONAL USERS MANUAL SIZE A CAGE CODE 1NQ67 DOCUMENT NUMBER D12751 REV F SH 25 of 28 The master version of this document resides on the Gogo LLC Configuration Management Server. Printed copies are considered uncontrolled, until verified as current by comparing with the master. It is the responsibility of the user to verify the most current revision. Gogo LLC Confidential and Proprietary Template D13480, Rev E ABS Fault ABS OK ATG Signal Level: (x)/5 ABS OK No ATG Signal

(x) = number of signal bars 12. Handset Reboot If the aircraft is above the ABS service altitude and the Aircell ABS Corded SIP Handset is consistently unable to place or receive phone calls, a Handset Reboot may be warranted. Handsets of Revision F (or higher): Press and hold the END key on the handset until the screen goes dark

(approximately 7 seconds). Release the END key. Now press and hold the SND key on the handset until the screen illuminates. Release the SND key. The handset should return to service in approximately 30 seconds. Handsets of Revision E (or lower): From an Unlocked Idle mode, press FCN, then 4 to access the Setup Menu. Display #22 - FCN 4, Setup Menu (Top Level) Press the 4 key again to request the hidden Admin menu. You will be required to supply the Admin Code before proceeding. Display #36 - FCN 4_4, Admin menu code entry An error message will be displayed if the incorrect code is entered. Press END at any time to return to an Unlocked Idle mode. If the correct Admin Code has been entered, a new menu screen will be displayed. Press 9 to reboot the handset. The handset should return to service in approximately 30 seconds. Itasca, IL Bensenville, IL Title: ABS OPERATIONAL USERS MANUAL SIZE A CAGE CODE 1NQ67 DOCUMENT NUMBER D12751 REV F SH 26 of 28 The master version of this document resides on the Gogo LLC Configuration Management Server. Printed copies are considered uncontrolled, until verified as current by comparing with the master. It is the responsibility of the user to verify the most current revision. Gogo LLC Confidential and Proprietary Template D13480, Rev E 13. Keypad Function Reference KEY FCN FUNCTION FCN 0: Toggle Do Not Disturb (DND) Mode [For Future Use]

FCN 1: Ringer Volume Control FCN 2: Key Tone Volume Control FCN 3: OLED Display Brightness Control FCN 4: Setup Menu FCN 5: Keypad Lock FCN 6: Microphone Mute FCN 7: Undefined FCN 8: Communication Control Menu [For Future Use]

FCN 9: Undefined 1. Increase audio volume (press during a call) 2. Increase numeric parameters (volume, brightness, timers, etc) 3. Scroll up through menus and lists 1. Decrease audio volume (press during a call) 2. Decrease numeric parameters (volume, brightness, timers, etc) 3. Scroll down through menus and lists

(Inactive)

(Inactive) Dialing digit 1 1 2 ABC Dialing digit 2 Dialing digit 3 3 DEF Dialing digit 4 4 GHI Dialing digit 5 5 JKL 6 MNO Dialing digit 6 7 PRS Dialing digit 7 Dialing digit 8 8 TUV 9 WXY Dialing digit 9

*

Dialing digit *

0 Oper Dialing digit 0

#

Dialing digit #

RCL Access the Phonebook to allow dialing of a stored name (RCL, or , SND) or

(RCL, ##, SND) 1. Clear the last digit entered 2. Go to previous menu level without saving settings from current menu screen 1. Initiate a call (direct-dialed or phonebook) 2. Answer a call when the Handset is ringing 3. Last number redial - From idle screen, press once to redial 4. Select highlighted menu item 1. Place an active call on Hold SND CLR HLD Itasca, IL Bensenville, IL Title: ABS OPERATIONAL USERS MANUAL SIZE A CAGE CODE 1NQ67 DOCUMENT NUMBER D12751 REV F SH 27 of 28 The master version of this document resides on the Gogo LLC Configuration Management Server. Printed copies are considered uncontrolled, until verified as current by comparing with the master. It is the responsibility of the user to verify the most current revision. Gogo LLC Confidential and Proprietary Template D13480, Rev E STO END 2. Return to a call that is on Hold 1. Store audio volume, ringer volume, keypad volume, or OLED display brightness as new value. 2. Initiate storage dialog for direct-dialed number (add to phonebook) 3. Enter/confirm entries during menu and phonebook dialogs 1. End the active call (hang up) 2. Cancel menu and dialing operations (return to idle state) 14. Menu Reference The following User menus are visible and available via the appropriate FCN key:

FCN 4 - Setup Menu 1. User Configuration 1.1. Ring Pattern (1-4) 1.2. Earpiece Volume (1-6) [same as / during call]

1.3. Ringer Volume (0-6, 0=off) [same as FCN 1]

1.4. Keytone Volume (0-6, 0=off) [same as FCN 2]

1.5. Display Brightness (1-4) [same as FCN 3]

1.6. Display Blanking Timer (30sec/60sec/never) 1.7. Keypad Backlight Timer (30sec/60sec/never) 1.8. Visual Ringer (on/off) 1.9. Reset Default Configuration (items 1.1 through 1.8 only) 2. ABS Status 2.1. ATG Link Status 2.2. ACPU Status 2.3. AACU Status 2.4. Send Maintenance Alert 2.5. Conditional Reset 3. Version Information (display HW and SW version numbers) FCN 8 - Communication Control Menu [For Future Use]

1. PAX WiFi Network 1.1. PAX WiFi Network ON 1.2. PAX WiFi Network OFF 2. Crew WiFi Network 2.1. Crew WiFi Network ON 2.2. Crew WiFi Network OFF Itasca, IL Bensenville, IL Title: ABS OPERATIONAL USERS MANUAL SIZE A CAGE CODE 1NQ67 DOCUMENT NUMBER D12751 REV F SH 28 of 28 The master version of this document resides on the Gogo LLC Configuration Management Server. Printed copies are considered uncontrolled, until verified as current by comparing with the master. It is the responsibility of the user to verify the most current revision. Gogo LLC Confidential and Proprietary Template D13480, Rev E