Telephone Reference Information
Front panel: optiPoint 500/basic/standard/economy
Speaker
for Speaker-
phone
and ring tones
Handset
Keys for
Keys for selecting a
configuring
function
the telephone
Display,
2 lines,
24 characters
per line
Enter key
for selecting
a function
Telephone Reference Information
Key labels
Service Menu
Redial
Microphone on/off or internal
Speaker
Keypad
LEDs
Key label
Programmable keys
Preset
Function key:
End
Microphone for Speakerphone
(optiPoint 500 standard only)
Preset Function keys:
–
9