User guide

75
Audible Signals
DT288
Discreet ringing
The first three ringing signals will ring at the lowest audible
volume level. To be used, e.g. if you are in a conference and you
expect an important call.
Select Handset and press
Select
Alerts and press
Select
DiscreetRng and press
The current setting,
On or Off, flashes on the display.
Select the required setting and press
No ringing
Incoming calls are indicated by the Off hook icon on the display
and the warning light. To be used, e.g.when you do not want to
be disturbed but want to make outgoing calls.
Press
The Ringer off icon is shown on the display.
To turn on the ringing signal, press the CLR key once again.