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Mitel 5540 IP Console - User Guide
8
Adjusting the Console
Adjusting the Ringer Volume
To raise or lower the ringer volume while the console is ringing:
1. Press and release the Volume
∧ key to increase or the Volume ∨ key to decrease the
volume.
2. Repeat until the ringing is at the volume you want.
Adjusting the Handset and Headset Receiver Volume
The Volume keys adjust the volume of the console ringer and the volume of the handset and
headset receiver. Although you can have a handset and a headset connected to the console
at the same time, the receiver volume for each is not individually adjustable; any volume
adjustments you make affect both the handset and the headset.
To adjust the handset and headset receiver volume while a call is in progress and the console
is not ringing, or while the console is idle:
• Press Volume
∧ repeatedly to increase the volume or Volume ∨ to decrease it.
WARNING: Because continuous exposure to loud sounds can contribute to
hearing loss, keep the volume at a moderate level.
Adjusting the Contrast Control
To adjust the display contrast:
1. Press the Contrast
∧ key until you reach the desired level of contrast.
2. Press the Contrast
∨ key to decrease the contrast to the desired level.
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