Operation Manual
20
1
2
3
DEFABC
5
JKL
6
MNO
4
GHI
7
PQRS
8
TUV
9
WXYZ
0
R
AGFEO
/ ESC
Menu
e
/
OK
1.
4.
3.
6.
5.
7.
9.
10.
11. 12.
13.14.
2.
8.
Checking the Contents of the Package
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
12.
13.
14.
Ringer High:
Ringer Low:
Ringer off:
ST 15 Operating Parts
Handset
Keypad
Call Log
LCD-Display
Microphone
Function Buttons
Handset Cord
Line Cord
Battery Compartment (Not
required for operation)
Handset Socket
Power Supply Socket
Ringer Volume Control:
Headset Socket (3.5 mm)
Line Cord Socket
The package of the ST 15 System Phone contains the following items:
- Telephone
- Handset with Cord
- Line Cord
- Plug In Power Supply(7.5V, 300mA)
- User Guide
Top View:
Bottom View:
Rear View: