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8-6
Figure 8-6 Results of continuous test
SIO test
This text checks transceiver unit input and output.
SIO TEST
MAIN
SIO1
= OK
I/F
SIO-NAV
= NG
SIO-CI
= NG
PRESS [MENU] 2 or 3 SECONDS TO STOP SELFCHECK
Figure 8-7 Results of SIO test
Echo-1 test
This test checks the echo processing circuits in the display unit
for proper operation.
DISPLAY ECHO TEST
ª
240
236
41
B
281
PRESS [MENU] 2 or 3 SECONDS TO STOP SELFCHECK
R 29
B 358
For service technicians;
special test connector
required to check. NG
appears when no test
connector is connected.
R 400
T 10
G 3.0
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