Troubleshooting For The User - Furuno IB-681 Operator's Manual

Furuno high speed data modem operator's manual
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4.3 Troubleshooting for the User

The table below provides simple troubleshooting procedures which the user may follow to
restore normal operation.
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- Test Result -
CPU1
: ROM-OK
DPRAM-OK
CPU2
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DPRAM-OK
ANTENNA
: ROM-OK
DEMOD
: OK
VOICE CODEC: OK
HSD MODEM
: CPU-OK
<<Press any key>>
Figure 12 Self test results
Table 3 Troubleshooting table
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