Northern Telecom 3X8 Owner's Handbook Manual page 168

Notes
A Service Mode allows you to change which lines ring at which
telephone, to activate or deactivate the auxiliary ringer for certain
lines, and to have calls to the Direct-Dial telephone ring at the
Extra-Dial telephone. Service Modes can be programmed to
begin automatically at certain times or they can be turned on and
off at the Control telephone. Service Modes are set up in
Administration programming.
Automatic Service Modes are indicated by an asterisk (*) before
the name of the Service Mode on the display. You can neither
manually activate nor cancel automatic Service Modes, although
you can override them with manual modes.
The Control telephone can override automatic Service Modes at
any time by entering the Service Modes feature code
q
([Feature]
override will remain in effect until it is canceled by means of
q
[Feature]
with an asterisk
into effect at the programmed time.
Calls to a Direct-Dial telephone will ring at the Extra-Dial
telephone (designated in Administration programming) only when
the Service Modes feature code
that Direct-Dial telephone. Note that only the Extra-Dial
telephone will be activated, not the actual Service Mode (unless
that Direct-Dial telephone is also a Control telephone).
provides three Service Modes named "Night", "Evening",
and "Lunch". You can change these names to suit yourself. In
addition, there is normal service when no Service Modes are
active.
PO842627 01
), and selecting a different Service Mode; this
. Note that if you selected a Service Mode
the next automatic Service Mode will come
KELLATRONICS,
DR5.1 Owner's Handbook
Service Modes 163
q
) is entered at