User Manual

OSMAC BaseOSMAC Base User Manual
Page 23
6 Diagnostics
6.1 Built-in Diagnostics
If the user selects DIAGNOSTICS MODE from the Configuration Menu, the goes into a diagnostics mode
which allows the operator to exercise many of the ’s hardware functions and to help troubleshoot any problems
with connections to the unit. Connections to the phone line, radio, speaker and microphone may be
independently toggled for any desired test configuration.
The Functions that are available are:
F1 - Toggle the connection to the phone line between On and Off
F2 - Toggle the radio connection between Off, Receive and Transmit modes
F3 - Connect the microphone to the transmitter
F4 - Toggle the unit's speaker between On and Off
1 – Pager Bit Test (sends alternating 1010 pattern at a specific baud rate and on/off timing)
1 – 512 baud
2 – 1200 baud
3 – 2400 baud
2 –Sound Tests
– Press any of the number keys or function keys to play one of the first 14 sounds
– Alternatively, press the arrow keys to select 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 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 – Alarms & Ring (displays the status of the alarm inputs and phone ring detection circuitry)
6.2 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.