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5. MAINTENANCE, TROUBLESHOOTING
5.4Self Test
The self tests check the equipment for proper operation.
Self test 1
This test checks the two GPS receivers, output circuit, processor and two sensors for proper op- eration.
1.Remove the cover and shield cover from the equipment.
2.Press the [Menu/Cancel] button several times to show "- -
GPS OUTPUT PROCESSING
SENSOR1
SENSOR2
Self test 1 activated
Port 3
Heading Pitch
Roll
Sentence Bps
Output
Interval
Sentence Bps
Output
Interval
Menu/
Cancel
Enter
-
+
3.Press the [Enter] button, and the test proceeds as below.
•GPS receivers are checked. The GPS lamp lights if the receivers are normal.
•Communication between this equipment and the
•The CPU memory access is checked. THe PROCESSING LED lights if normal.
•The rate gyro is checked. The SENSOR1 LED lights if normal.
•The acceleration sensor is checked. The SENSOR2 LED lights if normal.
When the test is finished, the nine LEDs below the display flash, and then the display shows "End.1".
4. Press the [Enter] button to return to self test 1.
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