Ringer Volume Adjustment:
Place the ringer switch (23) in one of the three positions: Off, High, or Low.
Hands-Free Volume Adjustment:
During a hands-free call, slide the switch (24) to set the desired volume.
While on a hands-free call, press and hold ▲ or ▼; the LCD will display VOL 1, VOL 2, VOL 3, and VOL 4. Release at the desired level.
Increase Handset Volume:
During a call:
- Handset volume boost: In handset mode, if you want extra loud volume, press the
(21) key once to boost the volume.
Press the (21) key again, or hang up, and the handset volume will return to its normal level on the next call.