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• TO ADJUST LCD CONTRAST
DT730/710 DT330/310
Press Up/Down (
or
status.
LCD
SETUP WITH FEATURE KEY
• MICROPHONE ON/OFF
DT730/710 DT330/310
LED on
key shows the status of the built-in
Mic
microphone.
STEP 1: Press soft key associated with the MIC Dis-
play or press
• TO CHANGE HANDSET RECEIVER
VOLUME
DT330/310
Handset receiver volume can be changed.
STEP 1: Press
Feature
the current volume status.
/
) key in the on-hook
Feature
and
1
key.
and
key. The LCD displays
2
RCV VOL.
4:26 PM
STEP 2: Press
Feature
tween Large and Small volume.
RCV VOL.
4:26 PM
• TO SELECT RINGER TONE
DT Series has 10 kinds of ringer tones that you can
select.
STEP 1: Press
Feature
the selected tone number (n=1 ~ 10).
RINGER TONE
4:26 PM
No.
Frequency (Hz)
1
520/660
2
520/660
3
1100/1400
4
660/760
5
6
7
38
SMALL
MON 12 JUL 2010
and
key to alternate be-
2
LARGE
MON 12 JUL 2010
DT330/310
and
key. The LCD displays
3
n
MON 12 JUL 2010
Modulation (Hz)
16
8
16
16
Melody 1
Melody 2
Melody 3
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