28
D. Ringer Volume
This function 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 SCROLL UP or DOWN button to adjust the ringer volume suitable for your
convenience. (HI is the preset ringer volume.)
5. Press and hold down the
save
button.
6. Press the
func
button to go back to STANDBY mode.
E. LCD 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 SCROLL UP or DOWN button to adjust the brightness of the display. Level
4 is the preset brightness.
5. Press and hold down 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 SCROLL UP or DOWN button.(9 is the preset PBX number.)
5. Press and hold down the
save
button.
6. Press the
func
button to go back to STANDBY mode.
Caller ID System Operation
All manuals and user guides at all-guides.com