ADJUSTMENTS
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BusinessPhone 250 - Portable DT288
BusinessPhone 50 - Portable DT288
ADJUSTMENTS
GENERAL This section describes how to set and adjust a personal volu-
me and how to revert all DT288 settings to default.
VOLUME CONTROL Use the volume keys to adjust the volume in the earpiece.
The volume keys have an auto repeat function. See section
”Description” for the location of volume controls. To turn
the microphone, ringer and warning sound on or off during
a call, see section “During calls”.
Earpiece volume When you are making a call, the volume keys affect the
earpiece volume. This is useful when e.g. you enter a
machinery or a computer room. The earpiece volume can
also be adjusted in idle state (on hook). The earpiece volume
can be set to 10 different levels.
Press to adjust the earpiece volume during a call
Ringer volume There are 7 ringer levels. At the lowest level, the ringer is
shut off.
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A volume level bar is displayed.
Use the arrow keys to set the suitable level
Press to confirm
or
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