User Guide for the T21P E2 IP Phone
16
Always Off: Backlight is off permanently.
15s, 30s, 60s, 120s, 300s, 600s or 1800s: Backlight is turned off when the phone is
inactive after the designated time (in seconds).
Audio Settings
Volume
You can press the Volume key to adjust the ringer volume when the phone is idle. You
can also press the Volume key to adjust the receiver volume of currently engaged audio
devices (handset, speakerphone or headset) when the phone is in use.
To adjust the volume when the phone is idle:
1.
Press to adjust the ringer volume.
Note
To adjust the volume when the phone is during a call:
1.
Press to adjust the volume of currently engaged audio device
(handset, speakerphone or headset).
System Customizations
Headset Use
If you want to use a headset, physically connect your headset and activate the headset
mode for use. For more information on physically connecting a headset, refer to
If the ringer volume is adjusted to minimum, the icon will appear on the LCD screen.