Rx Test (For Service Technician); Noise Test (For Service Technician) - Furuno FSV-24 Operator's Manual

10.10.5 Rx test (For service technician)

This test inputs dummy data to each board and each board outputs a test
pattern (32 color). Select RX TEST at the TEST menu and press the [MENU] key.
Select the board to test with the [MODE] key, in the sequence shown below.
SCAN-H TEST
SCAN-H&V TEST
DUAL TEST
IFES TEST
COR TEST
BMFTEST
ADC TEST

10.10.6 Noise test (For service technician)

This test measures noise level. Select NOISE TEST at the TEST menu and
press the [MENU] key. The following message appears on the display while the
test is being conducted. Use the [GAIN] control to adjust noise level to medium.
Horizontal display
Horizontal display
Vertical display
History display
Echo sounder display
Horizontal combination dislpay
Horizontal combination dislpay
Horizontal combination display
Figure 10-7 Rx test sequence, Rx test message
<< NOISE TEST >>
PRESS MENU KEY TO QUIT TEST MODE.
ADJUST NOISE LEVEL TO MEDIUM BY GAIN KNOB.
Figure 10-8 Noise test message
10. MAINTENANCE, TROUBLESHOOTING
<<CHECKING RX >>
PRESS MENU KEY TO QUIT TEST MODE.
MODE : CHANGE DISP MODE.
This message appears while the Rx test is
being conducted.
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