EXHIBIT C User Manual DIGITALK! WIRELESS HANDSFREE KIT USERS GUIDE Congratulations and thank you for choosing DIGITALKI, an advanced wireless hands-free kit to enhance your mobile communication. DIGITALKI is designed and produced to meet the highest quality standards. DIGITALKI will bring you a great convenience when using your mobile phone. DIGITALKI also will minimize your exposure to radio frequency (RF) from your mobile phone, Please read this User's Guide before operating your
* DIGITALKI. GENERAL INFORMATION DIGITALKI hands-free kit is an accessory to a specific model of mobile phone. Please check the compatibility before using this device. The complete DIGITALKI kit includes the following items:
4. ONE HEADSET Face:
(On / Off Switch Accessory Stirig Hole Battery Charge Contat 2, TWO DETACHABLE EAR HOOKS 3. ONE PLUG ADAPTER
(Necessary only for specific models.) Lett <q f) p Right &
Nu Cy 1 4. ONE INTERFACE MODULE , ONE AC/DC ADAPTER Built-in Nut for Belt Clip Connector Plug to Mobile Phone 6. ONE DUAL-PIN CHARGER Battery Compartment SETTING UP THE UNITS NOTICE: PLEASE CHARGE THE HEADSET & INTERFACE MODULE FOR APPROXIMATELY 2 HOURS BEFORE USING YOUR DIGITALKI. YOUR DIGITALKI IS READY FOR USE WHEN CHARGERS LED TURNS GREEN. STEP 1. SELECT AND INSTALL THE EAR HOOK Choose the right or left ear hook by your preference. Snap the ear hook into the socket on the Headset as shown in Fig. 1. To wear headset, follow Fig. 2. The ear hook is slightly flexible to fit your ear contour for wearing comfort. To remove ear hook, simply pull the ear hook plug off the Headset, R Gee Fig. 4 Fig. 2 STEP 2. ACTIVATE THE AUTO ANSWER" MODE OF YOUR MOBILE PHONE, STEP 3. CONNECT INTERFACE MODULE TO YOUR MOBILE PHONE Plug the Interface Module connector to your mobile phone. Your mobile phone will display hand-free or similar phrase on its panel to confirm a good connection.
" STEP 4. BELT CLIP (Option)
* Fasten the belt clip to the Interface Module by screwing into the built-in nut
(see Fig. 4 oF 5). Fig. 4 Fig. 5 Note: If you wish to attach the Interface Module to the back of your mobile phone by the magnet piece, you will need to remove the belt clip first. STEP 5. CHARGING THE BATTERIES Your Headset and Interface Module each has a NiMh rechargeable battery pack inside. When the LED in the front cover of your Headset starts flickering during standby mode, charge both the Headset and the Interface Module at your earliest convenience. To charge the 2 devices, connect them to the charger and adapter as shown in Fig. 6 and 7 (the 2 devices can be charged at the same time). oy SY, The smaller plug pin is for charging the Headset and the bigger plug pin is for the Interface Module. When batteries are fully charged, the LED will turn green automatically. 3 6. AUDIO QUALITY ADJUSTMENT On the top of the Interface Module, you will find a 3level selection switch for audio quality adjustment (see Fig. 8). Make a test call to your mobile phone, and use a ball pen tip to Audio Quality Selector switch among the 3 positions to select the best audio quality for your phone. Note: You won't need to adjust the switch again until you use the kit with a mobile phone of a different brand/model. Fig. 8 OPERATIONS 4. RECEIVING AND MAKING A CALL Before receiving or making any call, make sure you have already connected the Interface Module to your mobile phone. RECEIVE ACALL When your phone receives a call, it will ring 2~3 times before it answers automatically. After the ringing stops, lightly press the on/off switch once to receive the call and start talking. Note: You may start operating the Headset only after the ringing stops. When your conversation ends, the Headset will tum off automatically. MAKE A CALL Make a call direct from your phone, and when the call is answered, lightly press the on/off switch to talk. DIGITALKI does not support voice dial function. HOLD YOUR CALL When necessary, you may press the on/off switch once to hold your call, and press again to resume the conversation. ADJUST SPEAKER VOLUME DURING A CALL You can adjust the speaker volume during a call by pressing the 4-level volume contro! buttons on the side of the Headset to tone up/down according to your preference. 2. OPERATION RANGE DIGITALKI is a very low power communication device. The radio communication range between the Headset and the Interface Module is approximately 10 meters. Please keep both units within this range for best communication performance. Note: If the communication distance exceeds 10 meters during any call, the Headset will send out a warning beep to remind you. 3. TROUBLE SHOOTING:
If the Headset cannot communicate through to your mobile phone please check the following:
1. Headset and Interface ule far apart imeter transmission range
[2. Batteries in Headset and/or |Charge the Headset and Interface Interface Module low IModule. 3. RF codes of the Headset and [Plug both devices to the charger at Interface Module do not match 1e same time to pair up the codes IMPORTANT MESSAGES When entering areas (e.g. hospitals and aircraft) where usage of mobile phones is prohibited by law, please turn off both your mobile phone and DIGITALKI. :
As high temperature will shorten the battery life, please do not leave your DIGITALKI and your mobile phone in an environment with temperatures over 140F, for example, on the dash board of your car during summer. Also, keep your DIGITALKI and your mobile phone away from moisture. Use soft cloth with mild liquid soap to clean the exterior of your DIGITALKI. DO NOT use abrasive chemical detergent or material to clean your DIGITALKt. DO not attempt to pry open the cover of your DIGITALKI or change the batteries. Seek assistance from an authorized DIGITALKI dealer near you. For optimal standby and operation time, we recommend that you use only the specific battery packs supplied by the authorized DIGITALKI dealer. 5 WARRANTY SCOPE AND DURATION Everspring guarantees our products (excluding the batteries) as being free of defects in material, design and workmanship at the time of original purchase and for a period of twelve (12) months immediately thereatter. If, during the warranty period, the products malfunction in normal use and service (by authorized dealer), Everspring or its authorized dealer will repair or replace the defective product at no cost to the original purchaser presenting a valid warranty certificate. Everspring or its authorized dealer may refuse to provide free warranty service if any of the following conditions occurs:
4. The warranty certificate is altered, illegible, or with inconsistency. 2. The product is adapted, modified, or charged 3. The product exterior is cracked or broken. 4. The serial number label is tempered with or missing. Repair or replacement wills neither give any right to extend the original warranty period nor give any right to start a new warranty period. Replaced faulty parts or components will become the property of Everspring. WARRANTY REGISTRATION WARRANTY BES
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