Rx Test (For Service Technician); Noise Test (For Service Technician) - Furuno FSV-84 Operator's Manual

11. MAINTENANCE, TROUBLESHOOTING
11.8.5

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 from the TEST menu and press the [MENU]
key to do this test. Select the board to test with the [MODE] key, in the sequence
shown below.
SCAN-H TEST
SCAN-H&V TEST
SCAN2-H TEST
SCAN2-H & V TEST
DUAL TEST
IFES TEST
BMFTEST
11.8.6

Noise test (For service technician)

This test measures noise level. Select NOISE TEST from the TEST menu and
press the [MENU] key to conduct this test. The following message appears on
the display while the test is being conducted. Use the [GAIN] control to adjust
noise level to medium.
11-12
Horizontal display
Horizontal display
Vertical display
Horizontal 2 display
Vertical display
History display
Echo Sounder display
Horizontal combination dislpay
Rx test sequence, Rx test message
<< NOISE TEST >>
PRESS MENU KEY TO QUIT TEST MODE.
ADJUST NOISE LEVEL TO MEDIUM BY GAIN KNOB.
Noise test message
<<CHECKING RX >>
PRESS MENU KEY TO QUIT TEST MODE.
MODE : CHANGE DISP MODE.
This message appears while the Rx test is
being conducted.