AASTRA 4222 Office for MX-ONE (TSE) User Guide EN - Manual (Page 83)

83 Dialog 4220 Lite/Dialog 4222 Office
Accessories
Option unit (optional)
(Dialog 4222 Office phone only).
The option unit DBY 420 01/1 is an optional accessory to be installed
under your telephone set. The unit is used to connect either an extra bell
outside your room, or a busy signal lamp outside your door.
To check or set the option unit for extra bell or for busy signal
í *1
Press and hold simultaneously until a ring signal is heard.
The display shows
OPTION PROGRAMMING
and the Line 2 key lamp
indicates the setting of the option unit:
Off=Extra bell, On=Busy signal lamp. Flashing=Combined extra bell &
busy lamp.
Line 2
Ô
Press to change to busy signal,
or
Line 2
Х Ф
press to change to extra bell & busy signal,
or
Line 2
Ц Ф
press to change to extra bell.
#
Press to save the setting and exit.
Note: If you do not press
#
, the phone automatically returns to
idle about 30 seconds after the last key press.