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Page 16 Mitel
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5320/5330/5340 IP Phone User Guide – Issue 5, February 2011
Changing Volume Levels
You can change the following volume levels:
Ringer (alerting tone)
Handset
Headset
Background music
External speaker
You must be using the feature to change the volume level. For example, if you want to change
the handset volume level, you must be using the handset. However, you can adjust the ringer
(alerting tone) volume level when the IP phone is idle.
To change a volume level:
While using the feature, press (Up) to increase the volume, or press (Down) to
decrease the volume. The volume level is automatically saved.
Changing the Ring Tone
You can select one of nine different ring tones.
To change the ring tone:
1. With the handset on-hook, dial 398.
2. Do one of the following to listen to (or turn off) ring tones:
Press 0 or the RINGER OFF menu button (5340 IP Phones only) to turn the ringer
off.
Press (Up) or (Down) or 1 to 9 to listen to ring tones.
Press the PREVIOUS or NEXT menu button (5340 IP Phones only) to listen to and
select a ring tone.
3. Press (Speaker), #, the ACCEPT menu button (5340 IP Phones only), or lift and
replace the handset to select the ring tone.
Adjusting the Display Contrast and Brightness
You can adjust the display Contrast and Brightness levels. (Brightness adjustment is available
on models with backlit displays only.)
To adjust the Contrast or Brightness levels:
1. Press (Applications).
2. Press Settings, and then press Brightness and Contrast.
3. Press (Contrast or Brightness) + or – to find the level you want to use.
4. Press # or Save to save the setting, and then press Close to exit the Applications menu.
NOTE
Turning the external speaker volume down to the lowest levels may prevent you
from hearing the feature “warning tones” that notify you when errors occur (for
example, when you enter an incorrect feature code).
NOTE
By default, the IP phone display dims to 20 percent of the maximum brightness level
after 5 minutes of inactivity (no button presses or audio, including background
music). If the brightness is set at the lowest level, you may not notice when the
display dims.