User's Manual
D. Display Setting
• Press M and select Display Setting by +/-
• Press to enter the sub-menu
• The status bar is shown on the screen.
This indicates the settings level
If the loudspeaker volume of the APB220 is too low or too
high and you are unable to adjust it:
• Adjust the volume directly on the mobile phone
• Fine tune it using the volume control of the APB220
of the LCD display
• Press M to select
• Press +/- to adjust to
desired level
E. Volume Adjustments
To adjust ring volume:
• Press +/- to adjust ring volume
To adjust call volume during a call:
CONTRAST
BRIGHTNESS
COLOR
Mute/Un-mute Functions
To mute the APB220 during an active call:
• Press M
• LCD will show MIC OFF
To cancel mute:
• Press M again
• LCD will show MIC ON
F. Call Operations
• Press +/- to adjust the volume during a call
If you cannot hear the person you are talking to on the
other line, do the following steps while conversation is in
progress:
• Request the person on the other line to adjust his/her
mobile phone’s volume level to maximum
If there is a strong echo when the person on the other line
talks:
• Transfer the call to your mobile phone
• If echo disappeared, transfer the call to your APB220
again and lower the loud speaker volume until echo is
reduced/eliminated
• If the echo remains, the problem might be with the
network provider or the mobile phone itself
15
Making a Call
To make a call using the phonebook:
• Press M and Contacts will appear on the screen
• Press to enter the sub-menu
• Press again to select Contact List
• Browse the initials by +/-
• Press to enter
• Browse the phone numbers by +/-
• Press to dial
Last Number Re-dial:
• Press once
• Press +/- until you find the desired number
(Total 20 records including missed calls, outgoing &
incoming calls)
• Press again to dial