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6. MAINTENANCE, TROUBLESHOOTING
6-7
Interpreting the test results display
MAIN PROGRAM NO., PANEL PROGRAM NO.: The program numbers of the MAIN
and PANEL programs appear at the top of the display.
ROM, RAM, VRAM, NMEA: Checked for proper operation and the results displayed as
OK or NG (No Good). For NG contact a FURUNO agent or dealer for advice.
TX FREQUENCY: Shows frequency of the transducer.
ROLL and PITCH: These values change with ship’s pitching and rolling (range: -30° to
+30°).
TRAIN/TILT: Train/tilt test conducted maximum 1999 times, with the number of errors
shown below “NG”.
COUNT: Shows the number of times the test has been consecutively executed.
At the bottom of the screen there are two major groups of zeroes (0), and they represent
the keys and controls on the control unit and remote controller. Press a key and its
on-screen location shows “1” while the key is pressed and “0” when it is released.
Operate a control and its on-screen location changes as below. When the [GAIN] control
is operated the panel dimmer increases or decreases with adjustment of the control.
GAIN control: Shows 0-127.
Other controls: Shows 0-19.