2025年FURUNO电子海图完整题库

1.What does the alert number 820 indicate?A. AIS lostB. TT lostC. Navtex message receivedD. Cross track alarm2. What does the alert number 450 indicate?A. Route: Illegal To WPTB. RADAR comm. Error C. LAN adapter version error D. Heading sensor not available3. What does the alert number 495 indicate? A. Anchor watch errorB. Track control stopped C. Steering parameter error D. Filter: Init. 4. What does the alert number 380 indicate? A. Route: File read errorB. User chart: File not foundC. AIS COM errorD. User chart: File read error5. What does the alert number 635 indicate? A. No official data B. Log error C. Dual axis log (WT) errorD. Dual axis log (BT) error6. What does the alert number 640 indicate?A. Datum mismatch B. Chart align: Over 30 min.C. RADAR antenna ID errorD. Gyro error (Trackpilot)7. What does the alert number 031 indicate?A. Sensor adapter 1 COM timeoutB. Sensor adapter 2 COM timeoutC. Sensor adapter 3 COM timeoutD. Sensor adapter 4 COM timeout 8. What does the alert number 257 indicate?A. Heading sensor not availableB. Prg track: Need higher speedC. Prg track: Use radius CtrlD. Gyro 3 COM error9. What does the alert number 470 indicate? A. WGS 84 not usedB. Different geodetic datumC. Sentence syntax errorD. Datum change10. Where do you control the settings and visibility of the chart layers?A. In Chart LegendB. In Symbol DisplayC. In Chart DisplayD. In Basic Setting 11. Where do you set the Safety Depth?A. In Chart Legend B. In Symbol DisplayC. In Chart AlertD. In Chart Display12. Where do you set the Shallow Contour?A. In Chart LegendB. In Symbol DisplayC. In Chart AlertD. In Chart Display13.Where do you set the Deep Contour?A. In Chart LegendB. In Symbol DisplayC. I...