User Manual

Volume Adjustment
You can adjust the
volume of the speaker
and ringer using the
UP
and DOWN keys on the
operation panel.
DOWN key
UP key
Speaker
1 Press the SPEAKER key.
SPEAKER
DOWN
UP
2 Press the UP or DOWN key.
or
Display:
SPEAKER: HIGH
SPEAKER: MIDDLE
SPEAKER: LOW
3 When the display shows the desired volume level, press the SPEAKER
key to turn off the speaker.
SPEAKER
1. Installation
Volume Adjustment
19