12.10.4
Test Line
Here you check the analog telephone connection.
Press ENT. The display shows either
"LINE OK" or "LINE FAIL"
There is a line failure if the telephone line is not available for more than 40
seconds.
For the device, the telephone line is available when the voltage on the a/b
line or on terminals A and B > 3 V.
12.10.5
Test Supply
Here you check the value of the supply voltage.
Press ENT. The current value of the supply voltage value is displayed (such
as 12.3 V).
For technical reasons, the largest display value is just 25.5 V.
The device can operate with a supply voltage between 10.5 V and 28 V.
12.10.6
GSM Phone Utils
Here you can check the GSM connection and obtain information about the
GSM connection.
Make Call:
Enter a telephone number to be dialed via the GSM
network. The device then sets up the connection. It behaves
like a mobile phone.
Press ENT to start the call; press ESC to cancel the call at
any time.
Now each stage of the call process is shown on the display.
For all possible display messages with their meanings, see
the table in Section 12.10.1 "Test Messages".
55 UK