DIAGNOSTICS
Built-in Diagnostics
If the user selects DIAGNOSTICS MODE from the Configuration Menu, the OSMAC Base Station goes into a diagnos-
tics mode. This mode allows the operator to exercise many of the Base Station’s hardware functions and help trou-
bleshoot any problems with connections to the unit. Connections to the phone line, radio, speaker and microphone may
be independently toggled for testing.
The Functions that are available are:
F1 - Toggle the connection of the phone line between On and Off
F2 - Toggle the Base Station radio connection between Off, Receive and Transmit modes
F3 - Toggle the unit microphone connection between On and Off
F4 - Toggle the unit speaker between On and Off
1 – Satellite Bit Test (sends alternating 1010 pattern at a specific baud rate)
1 – 512 baud
2 – 1200 baud
3 – 2400 baud
2 – Sound Tests
– Press any of the number keys to play one of the first 10 sounds
– Press the up arrow key to select additional sounds
3 – DTMF tests
– Press one of the 16 lower buttons to generate DTMF tones in “encode” modes
– Press the down arrow key to exit the DTMF test mode
– Press the up arrow key to toggle between the following test modes:
- Encode DTMF continuously
- Decode DTMF from the radio or phone line, depending on which was enabled last
- Encode DTMF in 50 mS beeps
- Encode only the low tone continuously
- Encode only the high tone continuously
4 – DAC ramp test (exercises the sound DAC)
– Press the number keys to change the ramp frequency
5 – LCD display tests
– Press the “–” key to sequence between the tests
6 – Keypad and keyboard test
– Keypad codes and external keyboard scan codes are displayed when keys are pressed
– Press the “–” key on the keypad twice to exit this test mode
7 – Alarm inputs (displays the status of the alarm inputs)
Remote Diagnostics
Test functions may also be initiated remotely via a two-way radio which is equipped with a 16 tone DTMF keyboard.
Key Sequence Function
* A Send an “A” DTMF tone to the radio and the phone line continuously for a period of time.
* B Send all 16 DTMF tones plus all 8 single tones to the radio and the phone line.
* D Transmit the CW Identification Call Sign in Morse Code. CTCSS is turned on.
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