Chapter 4: Disassembly and Reassembly
Type 150/150G/400/400G Course Computers Service Manual 83156-1 23
Type 150/400 Course Computers
Step 10 – Kill Switch
• Place a short circuit across terminals TBx and x.
The Course Computer should shut down.
• Remove the shorting link.
The Course Computer should power up again.
If the Course Computer behaves as described, proceed to Step 11
Otherwise return the Course Computer to your nearest Raymarine Service Center.
Step 11 – EEPROM Test
This test checks that the calibration settings are being stored correctly.
• Using the calibration screens, change the Drive Type to another value and make a
note of this new value.
• Save the setting and exit calibration.
• Cycle the power to the unit.
• Verify that the drive type has not changed from the value set above.
Repeat the above
If the Course Computer retains the settings as described then these tests are
complete. If you are still experiencing problems, please contact your nearest
Raymarine Service Center with a complete description of your setup,
observations and measurements.
If the Course Computer does not respond as described, return the Course
Computer your nearest Raymarine Service Center.
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