Further details on the keys and operating elements are provided in Section Function
Keys on Page 28.
Significance
No�
Display with back-lighting
1
DEL key
2
Navigation keys
3
OUT key
4
SET key
5
BACK key
6
Telephone receiver
7
Loudspeaker
8
Redialling key
9
Flash key
10
HOLD key
11
G
Significance
No�
Digit keys
12
Microphone
13
Telephone receiver cable
14
Recess for wall installation
15
Telephone line connection socket
16
for telephone connection cable
Ringing tone volume switch
17
(RING OFF/LO/HI)
Battery compartment cover
18
Telephone receiver connection
19
socket (RJ11)
Phone base
20
Indicator lamp (incoming call)
21
Model 4510
Telephone in Detail
PHONE, DETAIL VIEW
27