Plantronics DISCOVERY 665 User Guide - Page 13

TROUBLESHOOTING PROBLEM My headset does not work with my phone. SOLUTION Headset was not in pairing mode when mobile phone menu selections were made. See page 6 "Pairing". Incorrect menu selections were made on your mobile phone. See page 6 "Pairing". I did not enter my passkey. Your phone did not locate the headset. Repeat the pairing process on page 6. Incorrect menu selections were made on your mobile phone. Repeat the pairing process on page 6. Callers cannot hear me. Mute is turned on. Press both sides of the volume/mute button simultaneously. I cannot hear caller/dialing tone. The headset is not turned on. Press the call control button for approximately 10 seconds until you hear a beep or see the indicator light glow blue to turn headset on. Your headset is out of range. Move the headset closer to the phone or Bluetooth device. Your headset battery is drained. Charge your battery using the AC charger, AAA battery, mini USB charger, or vehicle charging adapter above. See page 4 "Charging". The listening volume is too low. Press the volume/ mute button to increase the sound heard in the headset. PRODUCT SPECIFICATIONS Talk time* Standby time* Charge time Range Power requirements Battery type Version Up to 3.5 hours Approximately 80 hours 3 hours Bluetooth standard 33 feet (10 meters) 5V DC - 300 mA Lithium Ion Bluetooth 2.0 Supports Bluetooth Hands-Free and Headset Profiles. *Performance may vary by device. 13