AASTRA DT4x3 for BusinessPhone User Guide EN - Manual (Page 19)

AMT/PUD/TR/0119/1/2/EN 2012-08-13
User Manual
Cordless Phones for BusinessPhone™
13
1 Push button (DT423/DT433 only)
The button is placed on the top side of the handset. The Push
button is used for sending alarms, see
7.1 Push-Button Alarm on
page 38 .
2 Earpiece speaker
3 Colour display
The full graphic type display is 128 pixels wide and 160 pixels high.
The display has multiple colours and backlighting.
4 Four-way navigation key
Use this key to step in the menu and when working in text mode.
, , , and are used for stepping left/right and up/down in the
menu. The navigation key can be programmed, the is by default
a short cut to the Inbox, and is a short cut to Call contact. See
also
8.7.3 Define Navigation Key on page 56. During a call it is
possible to increase/decrease the volume by pressing and .
5 On-hook and On/Off key
Combined button; to end a call, to return to idle mode, and to
switch the handset on/off by long press.
6 Tactile indicators
There are two tactile indicators to indicate the centre of the key
pad
7 Sound off key
A long press on the key in idle mode, changes between ring signal
on/off, At incomming call, a long press on the key silencing the ring
signal.
8 Space
To add space between text
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