C4220
BASE FUNCTION KEYS
1 Ringer Style Button
Press to control the ringer tone
and style.
2 Volume
Press to control the speaker
and ringer volumes.
3 Ringer Style LED Light
LED will light up when the base ringer
is set to OFF.
4 Power LED
LED will light up when the
power is ON.
8
Quick Reference Guide
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2
5 In Use LED
LED will light up when the phone
is in use.
6 Charge LED
LED will light up when phone
is charging.
7 Page Button
Press to page handset.
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