Available Operations during a Call
To adjust the ringtone volume
Press VOL (volume) +/– while receiving a call.
To adjust the talker’s voice volume
Press VOL (volume) +/– during a call.
To adjust the volume for the other party (Mic gain adjustment)
During a handsfree call, touch 
(option), then set [MIC Gain] to [High], [Middle], or [Low].
To switch between handsfree mode and handheld mode
During a call, touch 
(speaker/phone) to switch the phone call audio between the unit and mobile phone.
Note
- Depending on the mobile phone, this operation may not be available.
To answer a receiving call automatically
Touch (option), then set [Auto Answer] to [On].
You cannot change the settings during a call or while making or receiving a call. It is required to be set in advance.
