BellSouth MH9932, Installation Instructions & Owner'S Manual, Page: 34 / 64

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D. Ringer Volume
This unit enables you to adjust the ringer volume from HI, LOW and OFF as
desired.
1. Press the FUNC. button.
2. Press the TELEPHONE KEYPAD #4 button.
3. Press the EDIT button.
4. Press the or button to adjust the ringer volume suitable for your
convenience. (HI is the preset ringer volume.)
5. Press the SAVE button.
6. Press the FUNC. button to go back to STANDBY mode.
E. Contrast
This unit enables you to select 8 brightness levels for the Large LCD display.
1. Press the FUNC. button.
2. Press the TELEPHONE KEYPAD #5 button.
3. Press the EDIT button.
4. Press the or button to adjust the brightness of the display. Level 4
is the preset brightness.
5. Press the SAVE button.
6. Press the FUNC. button to go back to STANDBY mode.
F. PBX Number
This unit enables you to preset the PBX number (such as an 8 or 9) while you
are using a switchboard system.
1. Press the FUNC. button.
2. Press the TELEPHONE KEYPAD #6 button.
3. Press the EDIT button.
4. Press the or button. (9 is the preset PBX number.)
5. Press the SAVE button.
6. Press the FUNC. button to go back to STANDBY mode.
Caller ID System Operation