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• TO ADJUST LCD CONTRAST
Press
Up/Down
(
) key in the on-hook status.
For DT830 Series, an adjustment range of the LCD
contrast is available in 2 types (Wide/Narrow). The type
of adjustment range depends on the configuration
setting.
Wide Setting
Narrow Setting
SETUP WITH FEATURE KEY
• MICROPHONE ON/OFF
LED on
key shows the status of the built-in
microphone.
STEP 1: Press soft key associated with the Mic Dis-
play or press
and
key.
• TO CHANGE HANDSET RECEIVER
VOLUME
Handset receiver volume can be changed.
STEP 1: Press
and
key. The LCD displays
the current volume status.
STEP 2: Press
and
key to alternate be-
tween Large and Small volume.
Note:
For details of configuration setting, please con-
tact the system administrator.
DT830 DT430/410
LCD
LCD
LCD
DT830
DT430/410
Mic
Feature
1
DT430/410
Feature
2
4:26 PM MON 22 SEP 2014
RCV VOL.
SMALL
Feature
2
4:26 PM MON 22 SEP 2014
RCV VOL.
LARGE