5603 Wireless Handset User Guide
2
Description of Your Handset
*System dependent feature
1
Earpiece speaker
2
Soft keys
The three soft keys is used with GUI, that is, the functions of each Soft key is indicated by text
in the display just above the keys.
3
Off-hook key
To answer a call, to pre-dial a number, and as a short cut to the Call list.
4
Voice mail access*
A quick access to the handset’s Voice mail.
5
Key lock and Upper/Lower case
Combined key lock and Upper/Lower Case.
6
Space
To add space between text.
7
Microphone
8
Sound off key
To turn on/off audible signals in idle mode, silencing the ring signal at incoming call, and to turn
the microphone on/off during a call.
9
Tactile indicators
There are two tactile indicators to indicate the centre of the key pad.
10
On-hook and On/Off key
Combined button; to end a call, to return to standby mode, and to switch the handset on/off by
long press.
11
Four-way navigation key
Navigation key with Left, Right, Up, and Down.
During a call, the keys Up and Down are used to increase and decrease the speaker volume,
respectively.
12
Display
The B/W display is 28 mm wide and 35 mm high with backlighting.
13
Headset connector
The headset connector is for connecting a headset. The connector is protected against dust by
using the headset connector cover.
14
LED
Indicates incoming call, messaging, low battery, and charging.