Appendix I

Appendix I

Button Function

Power Button

Turn ON/OFF

Press the power button for 3 seconds until the

 

 

blue LED flashes five times.

 

 

 

 

Answer/End calls

Press the power button once

 

Pairing

When the headset is off, press the power

 

 

button to turn on and keep it pressed for

 

 

about 5 se4conds until the LED flashes blue

 

 

and red alternately.

Down/Up Button

Volume control

Press the UP or DOWN button repeatedly

/

 

until you reach your desired level.

 

Mute/Unmute

Press the UP or DOWN button for about 2

 

 

seconds

Appendix II

Audio Tone

Turn On

Two high tones

Turn Off

Two low tones

 

 

Pairing mode

Two High tones

Incoming Call

A ring tone at 2 seconds interval

Mute

Repeated two low beeps at 3 seconds

interval

 

 

 

Unmute

A single beep

Battery low

Start when the talk time is left about 3-5

minutes. At a 16 seconds interval

 

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X-Micro Tech BT400GII user manual Appendix, Button Function, Audio Tone