8 diagnostics – Furuno CH-300 User Manual
Page 114
6. MAINTENANCE, TROUBLESHOOTING
6-6
6.8 Diagnostics
1. Press the MENU key to open the menu.
2. Press ▲ to choose MENU, and then press ► to choose SYS.
3. Press
▼ to choose GO TO SYS MENU.
4. Press ◄ to choose YES.
5. Choose TEST and press ► to start the test. The lamps above the XDR switches light
alternately for one second while the test is being conducted. In a few moments the
results of the test appear.
MAIN PROGRAM NO. : 0650111-XX.XX
RAM
: OK
ROM
: OK
VRAM
: OK
NMEA2
: *
NMEA1
: *
PANEL PROGRAM NO. : 0650112-XX.XX
TX FREQUENCY
: 85/215 kHz†
ROLL MS : 10 SC: - - -
PITCH MS : 10 SC: - - -
PULSES
NG
TEST COUNT= : 10
TRAIN
359
0
REMOTE CONTROL
PANEL
0 0 0
0
0
0 0 0
0
EXIT
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0 0
0
0 0
0
0
0
0
0
0
0
* Requires special test connector to test. Nothing displayed when plug is not connected.
† Or 60/153 kHz
XX.XX = Program Version No.
0
Test results
Interpreting the test results display
•
The program numbers of the MAIN and PANEL programs appear at the top of the display.
•
The ROM, RAM, VRAM, NMEA1, NMEA2 and PANEL CPU are checked for proper
operation and the results displayed as OK or NG (No Good). For NG contact a FURUNO
agent or dealer for advice. The NMEA1/NMEA2 test checks the NMEA (monitor unit) /
NMEA (transceiver unit) ports.
•
The TX FREQUENCY of the transducer is measured and displayed.
•
ROLL and PITCH values change with ship’s pitching and rolling (range: -30
° to +30°).