Vertical Communications and FX Series - Manual (Page 53)

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There are eight group listening loudness levels. Set the level for
the current call as follows:
1. While on a call and in the group listening mode, press
VOLUME UP or VOLUME DOWN once for each change in
loudness that you desire.
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There are eight headset loudness levels. Set the level for the
current call as follows:
1. While on a call and in headset mode, press VOLUME UP or
VOLUME DOWN once for each change in loudness that you
desire.
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To set a permanent group listening, speaker, headset, or
handset loudness level for all future calls,
1. Press INTERCOM.
2. Activate speaker, headset, handset, or group listen mode that you
want to affect.
3. While in that mode, press VOLUME UP or VOLUME DOWN
to adjust loudness.
4. Dial ✳ ✳ 7 or press a preprogrammed SAVE button to hold the
loudness at the last setting for all future calls (until you change
the default again).
5. Repeat this procedure in each mode until you have set all default
volume levels.
GCA70–198 Using The Other Features
LCD Station User's Guide 9 – 7