30 / 32
250S-UK1.DOC
7.
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 clear
down 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*
Summary of Contents for DIA-245
Page 32: ...32 32 250S UK1 DOC...
