Basic operating instructions
9
Basic operating instructions
optiPoint 420 advance and
optiPoint self labeling key module control panel
Keys for telephone settings
Microphone
for speakerphone mode
Speaker for open listening
and ring tones
Key for confirming a function
Keys for scrolling to functions
Handset
Keypad
Backlight graphics
display, 4 lines with
24 chars
Key field
–
freely programmable
keys
1
Key field –
fixed function keys
1
:
Program/Service
2
Redial
2
Mailbox
Mute or Internal
Speaker
2
optiPoint self labeling
key module
[1] With automatic key labeling
[2] Cannot be changed on optiPoint 420 advance