Vertical Communications DSU and DSU II - Manual (Page 87)

When you change the loudness, that change remains in effect until you
change it again (referred to as default setting).
•
Set the speaker, headset, handset, or group listening loudness for
all future calls using the following steps:
1. Press INTERCOM.
2. Choose speaker, headset, handset, or group listen mode to be
affected.
3. While in that mode, press VOLUME UP or VOLUME DOWN to
adjust loudness.
4. Dial ✳ ✳ 5 to hold the loudness at the last setting for all future
calls (until it is changed again).
5. Repeat this procedure in each mode until all default volume levels
have been properly set.
NOTE: You may adjust the volume of a call in any mode (over speaker,
headset, handset or group listen), at any time during the call,
by pressing VOLUME UP or VOLUME DOWN. When the call
ends, the volume of all future calls is reset to the programmed
(default) setting.
8.16 Setting Your Personal Ringing Tones
You can choose one of six different ring tones for your telephone when
it rings. Often, when several telephones are located close together, each
user chooses a different personal ring tone.
•
To select one of the ring tones, proceed as follows:
1. Press OPTIONS.
2. Press NEXT until RING appears.
3. Press RING.
4. Press UP or DOWN to choose ring tone in display (a new tone will
sound at each up or down press).
5. Press SPEAKER to end. The next time your telephone rings, you
will hear the new ring tone.
GCA70–245 Using The Other Telephone Features
LCD Speakerphone Reference Manual 8–15