When using GoerTek GBH808 Bluetooth headset, you can end a call in any of these ways:
7.5.1 Press the multi-function key on the headset until a confirmation tone
is heard;
7.5.2 Press the end key on the phone;
7.5.3 The call will end automatically when the person you're talking to hangs up.
7.6 Volume Adjustment
During a call, you can control the volume through the volume button.
7.6.1 Press the "volume up" button to increase volume.
7.6.2 Press the "volume down" button to decrease volume.
7.7 Mute
7.7.1 During a call, press and hold volume up button or volume down button until hear 2
confirmation tones, then the microphone will be in the mute mode, and the other side will not be
able to hear your voice.
7.7.2 With the headset in mute mode, do the same as above to bring the microphone back to the
normal state.
7.8 Low Battery Alert
When the battery is running out of power, the red light will flash 2 times per 5s instead of blue
light. And 1 ping sounds will be heard every 10 seconds indicating that the battery needs to be
recharged.
7.9 Call Reject
When using GBH808, you can reject calls in anyone of the following ways:
- Press and hold multi-function button until you hear 2 indication tones.
- Press the End button on the phone.
- The call will end automatically if the other side waits too long.
7.10 3-way Call
The headset can support the function of "3-way call" if your SIM card supplier allows this
function to you.
7.10.1 Press multi-function button twice quickly, you can hold current call and accept a waiting
call. Also you can switch the held call and waiting call by the same way.
7.10.2 Press MFB and volume up button until a confirmation tone, you can join a held call into
current call to achieve a meeting call.
7.10.3 Press volume up button until 3 beeps, all active calls will be released.
7.10.4 Press volume down button until 3 beeps, all held calls will be released.
7.11 Maintenance
7.11.1 Please keep the headset in a dry place, and clean it periodically with a soft cloth.
7.11.2 Please do not store the headset in a dusty place, nor in very high nor low temperatures.
7.11.3 Please do not disassemble the headset.
7.11.4 Try do avoid rough treatment like dropping, knocking or shaking the headset.
