FCC ID: SVN-MAC400 Dahua Bluetooth/Wired Omnidirectional Digital Speakerphone

85x110mm 128g 12P

() mm 0-60 1.0

>60-100 >100-150 >150-200 >200-600 1.5 2.0 2.5 3

>600 4 2.0 3 GUANGZHOU SHIYUAN ELECTRONIC CO.,LTD. BM11-G05-Q39701-V1.0 -dahua-

BM11-dahua

V1.0 2021-09-26 Dahua Bluetooth/

Wired Omnidirectional Digital Speakerphone

a. USB Type-C port e. Microphone mute Button b. 4-section 3.5 mm audio input/output hole f. Answer/hang up Button c. Volume down Button d. Bluetooth Button g. Volume up Button h. Indicator Light i. Power Button Product Usage 3 Turn on/off the device Long press and hold the power key for 2 seconds to turn on or off the device. Bluetooth When Bluetooth is not connected, long press to turn Bluetooth on/off. When Bluetooth is connected, long press to disconnect the current Bluetooth connection. Four types of connection modes Mode 1: Connect the computer/conference plat (Windows or Mac) to this device via USB cable. Mode 2: Connect this device with the original AUX audio cable (4 sections). Mode 3: Connect this device with Bluetooth. The Bluetooth indicator will flash to indicate that the device is in Bluetooth pairing state. Enable Bluetooth functions on mobile phones/other devices, and select to connect this device from the Bluetooth device list. Please refer to the nameplate at the bottom of the device for the name of bluetooth (when the conference panel is connected to the wireless omnidirectional mic speaker, USB bluetooth adapter is required to ensure the stability of bluetooth connection). Mode 4:USB Bluetooth audio adapter (supporting win7/8/10 and Mac OS) operating as follows:

Insert the USB Bluetooth audio adapter into the comp uter, and turn on the device to enter the Bluetooth pairing status (If you use a USB Bluetooth adapter to connect to the conference plat, please connect it to the front-mounted USB port of the conference plat to ensure best use effect);

USB Bluetooth audio adapter will be automatically connected to the device(which is the only device bound by 16 USB Bluetooth audio adapter);

If it is necessary to re-pair the USB Bluetooth audio adapter to the new wireless omni-directional speaker, the distance between the USB Bluetooth audio adapter and the wireless omni-directional speaker should be controlled within 3 meters. When Bluetooth is disconnected from the wireless omni-directional speaker, long press and hold the Bluetooth key for 9 seconds to enter the binding mode. After plugging the USB Bluetooth audio adapter, USB Bluetooth audio adapter will be rebound successfully within 30 seconds. Note: to connect computer/conference plat with USB Bluetooth audio adapter, it is necessary to set this device as the default playback and recording device in the computer/conference plat sound setting interface. 3 Product Usage Multi-party conference It supports multi-channel data fusion of USB, Bluetooth and audio ports. It can work in three connection modes at the same time so as to support simultaneous access of multiple parties for the conference. Answer/hang up call

*This device can only use the function of answering and hanging up the phone when connecting to the phone. When there is an incoming call, press the key to answer the call. When it is in calling state, press the key to hang up the call. When there is an incoming call, long press and hold the key for 3 seconds to reject the call. Mute microphone When the device is connected to Bluetooth or plugged into a AUX audio cord or USB cord, short press the microphone mute key to turn the microphone on or off. Volume adjustment Press volume "+" and volume "-" keys to increase or decrease the volume accordingly. Bluetooth status/Settings Status Indicator status State description This state is actionable S1 S2 S3 S4 Blue lights flashing Waiting for bluetooth connection Blue light is always on Bluetooth connected Long press the bluetooth button 3s to enter S4 Long press the bluetooth button 9s to enter S3 Long press the bluetooth button 3s to enter S1 White lights flashing Repair status with USB bluetooth adapter Long press the bluetooth button 3s to enter S1 White light is always on Bluetooth function turned off Long press the bluetooth button 3s to enter S1 Common faults and troubleshooting 4 The following table contains common faults and their solutions. Please read it carefully. Fault Possible Cause Solution Unable to turn on the device Low or no electricity Connect the adapter to charge. Shut down automatically after running for a while Insufficient electric quantity Connect the adapter to charge. No sound Is the connection correct? Is the volume turned on?

Select the correct sound source

. input; adjust the device Unable to work with USB Is there any mistake in using the USB cable?

Please use the original USB cable to make a call. Unable to work with AUX Is there any mistake in using the AUX cable?

Please use the original AUX cable

(4 sections) to make a call. Invalid key The key may be accidentally touched. Long press and hold the power button for 8seconds to reset the system. Unable to charge the device The charging device is in fault or the battery is already full. Replace it with a charging device with normal functions. 5 Key Specifications Frequency band(s):2402-2480MHz(BT) Maximum power transmitted: 13dBm Note: USB Bluetooth audio adapter and AUX audio cable are not included in the standard accessory set and are required to buy separately. Please contact your local dealer or access official website for purchase if you have s uch demand. Federal Communication Commission Interference Statement This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:

Reorient or relocate the receiving antenna. Increase the separation between the equipment and receiver. Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. Consult the dealer or an experienced radio/TV technician for help. Caution: Any changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate this equipment. FCC Caution This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions:

(1) This device may not cause harmful interference, and

(2) this device must accept any interference received, including interference that may cause undesired operation. Radiation Exposure Statement:

The device has been evaluated to meet general RF exposure requirement, The device can be used in portable exposure condition without restriction. Zhejiang Dahua Vision Technology Co., Ltd No.1199, Bin'an Road, Binjiang District, Hangzhou, P.R.China

PN DH-VCS-MCA400 1.0.99.02.10803 REVISION V1.0 DESCRIPTION New DATE REVISED BY 2021/09/21 REVISIONS RECORD R=32mm

202152021-05

, SN Dahua Bluetooth/

Wired Omnidirectional Digital Speakerphone Bluetooth Device Name: XXXXXXXX Model: DH-VCS-MCA400 Input: 5V 2A P/N: XXX.XXX.XXXXXX Date: XXXX-XX S/N XXXXXXXXXXXXX Zhejiang Dahua Vision Technology Co., Ltd No.1199, Bin'an Road, Binjiang District, Hangzhou, P.R.China FCC ID : SVN-MCA400 CAN ICES-003 (B) / NMB-003 (B) Made in China SN 1. 75#

2. R=32 mm 3. 4. 5. 6. RoHS 7. 6095%

24 TOLERANCE UINLESS OTHERWISH SPECIFIED GUANGZHOU SHIYUAN ELECTRONIC CO.,LTD.

=CRITICAL DIM DRAWING No. BM11-G05-Q39103-V1.0 -dahua-

PART NAME SCALE 1:1 NOTES:

N/A N/A MATERIAL SEEDRAWING MAT'L SEE NOTES:

TECHNOLOGY SEEDRAWING DRAWN CHK'D SIZE SHEET UNIT N/A 1/1 mm APP'D

C5266091_X10_Ed.1 Zhejiang Dahu a Vision Technology Co., Ltd

. of Engineering Technology Communications Commission Office Federal 7435 Oakland Columbia, MD 21046 Mills Road Subject:

FCC ID: SVN-MAC400 Request for Confidentiality To Whom It May Concern, Date: Sept. 27, 2021 to the provisions of Sections Pursuant

(47CFR0.457, attachment(s) 0.459), as confidential we are requesting document from public rules 0.457 and 0.459 of Commission's the Commission to withhold the following disclosure. Exhibits Long-Term Short-Term Confidentialitv Confidentialitv Statement No No ID Label/Location No No Attestation u No Photos External 181 Block Diaaram 181 Schematics No No Test Reoort Test Setup Photos No Manual User's Internal Photos 181 Parts List / Tune Up Info RF Exoosure Descriotion 181 Ooerational No No Cover Letter(s) Info No SDR Software I Securitv document Above mentioned considered disclosure competitor as proprietary of above documents advantage an unfair contains detailed system and equipment information in operation of the equipment. description The public are might be harmful to our company and would give in the market. It is our understanding correspondent documents equipment and those information authorization is issued. during certification FCC ID label format and that all measurement test reports, review process will be available cannot be granted for public review once the grant of as confidential Name: Yolanda Chen Title:

Product certification S ignature of applicant:

Declaration for model numbers Hereby, We Name: Zhejiang Dahua Vision Technology Co., Ltd. Address: No.1199, Bin'an Road, Binjiang District, Hangzhou, P.R. China City: Hangzhou, Zhejiang, Country: China declares that this equipment:

fmt Dahua Bluetooth/Wired Omnidirectional Digital Speakerphone DH-VCS-MCA400, VCS-MCA400, MCA400, DH-VCS-MCA4O0E, VCS-MCA4O0H, VCS-MCA400E, DH-VCS-MCA400 Series, VCS-MCA Series, Type DH-VCS-MCA4O0H Series, DH-VCS-MCA400E Series, MCA400, MCA4O00E, designation(s): MCA400H, MCA400 Series Trademark: Dahua The differences between all model numbers are in the following table:

Product Description or Discrepancy The models are identical except for model name for marketing purpose. The circuit design and layout between of all model numbers are the same. Name: Yolanda Chen Title: Product certification Signature of applicant:

C5266091_X8_Ed.1 Letter of Authorization Company: Zhejiang Dahua Vision Technology Co., Ltd. Address: No.1199, Bin'an Road, Binjiang District, Hangzhou, P.R. China Product Name: Dahua Bluetooth/Wired Omnidirectional Digital Speakerphone Model Number: DH-VCS-MCA400, VCS-MCA400, MCA400, DH-VCS-

MCA400E, VCS-MCA400H, VCS-MCA400E, DH-VCS-

MCA400 Series, VCS-MCA Series, DH-VCS-MCA400H Series, DH-VCS-MCA400E Series, MCA400, MCA400E, MCA400H, MCA400 Series FCC Identifier: SVN-MAC400 We authorize LGAI Technological Center S.A., Ronda de la Font del Carme, s/n, 08193 Bellaterra, Spain, to act on our behalf on all matters concerning the above named equipment. Any individual within LGAI Technological Center S.A. is authorized to act on our behalf and take action on the application. We declare that authorize LGAI Technological Center S.A., Ronda de la Font del Carme, s/n, 08193 Bellaterra, Spain, is allowed to forward all information related to the approval project to the Federal Communication Commission and to discuss any issues concerning the approval application. Any and all acts carried out by LGAI Technological Center S.A. on our behalf shall have the same effect as acts of our own. Name: Yolanda Chen Date: Sept. 27, 2021 Title: Product certification Signature of applicant: