Available Operations during Call
To adjust the ringtone volume
Rotate the control dial while receiving a call.
To adjust the talker’s voice volume
Rotate the control dial during a call.
To adjust the volume for the other party (Mic gain adjustment)
Adjustable volume levels: [MIC-LOW], [MIC-MID], [MIC-HI].
To reduce echo and noise (Echo Canceler/Noise Canceler Mode)
Press and hold MIC.
Settable mode: [EC/NC-1], [EC/NC-2].
To switch between handsfree mode and handheld mode
During a call, press MODE to switch the phone call audio between the unit and mobile phone.
- Depending on the mobile phone, this operation may not be available.