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Safe Communications Ltd
March 2003
Function
No
Function
Programmin
g code
17
RETURN TELEPHONE TO FACTORY SETTING
ERASE MEMORIES
XX=00 Acknowledgement from telephone after about
1.3s
XX = 02 Erase memories M0 – M9
*98XX*
18
PROGRAM TELEPHONE ID
This is a code of up to four digits which should be
programmed into memory M0.
The telephone will automatically transmit this ID code
followed by « star » (*) on receipt of thec command code
*
0600
* from a central system.
N = telephone ID up to 4 digits
*5000*N*
7.2 OPERATIONAL COMMAND CODES
Function
No
Function
Programming
code
1
REQUEST TELEPHONE ID
This code is transmitted by the central system to
determine the identity of a telephone calling the centre.
The telephone will respond with its telephone ID (see
programming code 18 above)
*0600*
2
AUTOMATIC CLEARDOWN
At the end of a call without access to programming, the
central system or operator can effect an automatic
cleardown by transmitting this code :
However, if the call has included access to programming,
automatic clear-down is carried out by transmitting this
code :
*0990*
*9900*
3
TEST MICROPHONE AND LOUDSPEAKER
Acknowledgement from telephone : 1 sec. Transmission
of frequency of 1244Hz
Followed by : 1sec. Transmission of frequency of 622Hz
Note : After test, the loudspeaker is switched off.
To re-activate the loudspeaker :
To conclude the test :
*9700*
*9901*
*9900*
