Aastra DT4x3 DECT Telephones User Manual page 12

User Manual
Aastra DT4x3 DECT Telephones
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31 October 2013 / Ver. C
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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
Earpiece speaker
Colour display
The full graphic type display is 128 pixels wide and 160 pixels high.
The display has multiple colours and backlighting.
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
to the Inbox, and is a shortcut to Call contact. See also
Navigation Key on page 49. During a call the volume can be increased
or decreased by pressing
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.
Tactile indicators
There are two tactile indicators to indicate the centre of the key pad
Sound off key
A long press on the key in idle mode, changes between ring signal on/
off, At incoming call, a long press on the key silencing the ring signal.
Space
To add space between text
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6.1 Push-Button Alarm
is by default a shortcut
and .
TD 92789EN
on page 31.
7.6.3 Define
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