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8. MAINTENANCE, TROUBLESHOOTING
8-10
Color test
The color test checks for proper display of colors. Press the EVENT key to change the
screen color, in the order of white, red, green and blue.
Color test
Pattern test
The pattern test displays concentric rings overlaid on a grid to test for proper display
of rings and horizontal and vertical lines.
If the test shows error (for example, no horizontal or vertical lines shown), see the
monitor's operator's manual for how to adjust the monitor.
Pattern test
SIO test
This test checks the input/output ports (CN-A1, NMEA1/CIF1, NMEA2/CIF2) of the
processor unit. The result for the CN-A1 port is shown as OK or NG (No Good).
The test for the NMEA1/CIF1 and NMEA2/CIF2 ports is for factory use. The result is
always NG.
SIO test
WHITE RED GREEN BLUE
PATTERN TEST
PRESS [MENU] KEY TO EXIT
SIO TEST
TRX = OK
PORT1 = NG
PORT2 = NG
PRESS [MENU] KEY TO EXIT
PORT 1/2: FACTORY USE ONLY
NMEA2/CIF2 port check
NMEA1/CIF1 port check
CN-A1 port check