switel DE31-Serie Bedienungsanleitung Seite 103

3 Operating Elements
The buttons in this operating manual are subsequently depicted with a
uniform contour. Therefore, slight deviations in the appearance of the
symbols on the telephone buttons compared to those depicted here are
possible.
Handset
1 Loudspeaker
2 LCD display
(liquid crystal display)
3 Arrow Up button
Redialling
Increase receiver volume
4 Clear entries
Muting function
Ringing tone on/off
5 Phone book
6 Arrow Down button
Call list
Reduce receiver volume
7 Digit keys
8 # button
Key lock
9 R−button
10 Microphone
11 P−button
12 * button
Internal call
13 Call/On hook button
14 Program/Confirmation button
All manuals and user guides at all-guides.com
Operating Elements
14
13
12
11
10
1
2
3
4
5
6
7
8
9