S
shancockSep 9, 2025
What to do if Furuno 1935DISP Marine Radar data and marks not displayed in transmit?
- CCynthia TaylorSep 9, 2025
If data and marks are not displayed in transmit, replace the SPU board.
To Next PageTo Next PageWhat to do if Furuno 1935DISP Marine Radar data and marks not displayed in transmit?
If data and marks are not displayed in transmit, replace the SPU board.
Why is my Furuno Marine Radar power not turning on?
If your Furuno Marine Radar is not powering on, check the following: a blown fuse, the power connector to ensure it's fastened, the power cable connector for corrosion, the power cable for damage, and the battery for correct voltage output.
What to do if Furuno 1935DISP Marine Radar range is changed but radar picture does not change?
If you change the range on your Furuno Marine Radar and the picture doesn't change, try operating the RANGE key again. If that doesn't work and you cannot operate the RANGE key, replace the keypad. Alternatively, the SPU board may need replacing, or try turning the radar off and on.
What to do if Furuno 1935DISP Marine Radar picture not updated or picture freeze-up?
If your Furuno Marine Radar picture isn't updating or the picture freezes, check that the signal cables are fastened. If that doesn't solve the issue, the SPU board may need replacement. You can also try turning the radar off and on.
What to check if Furuno 1935DISP set GAIN to maximum with A/C SEA set at minimum shows marks and indications appear but no noise or echo?
If you set GAIN to maximum with A/C SEA set at minimum, and marks and indications appear but no noise or echo: 1. Check continuity and isolation of coaxial cable. 2. Replace IF amplifier. 3. Check coax line for fasten connection. If connection is good, replace SPU board.
What to do if my Furuno Marine Radar range is changed, but the radar picture does not change?
If the range is changed but the radar picture does not change, try hitting the RANGE key again, or turn the display unit off and on.
What to do if Furuno 1935DISP Marine Radar range changed but radar picture does not change?
If the range is changed, but the radar picture does not change it may be that the RANGE key has faults, the SPU board needs replacing or there is a video freeze-up. Try to operate the RANGE key. If you cannot operate the RANGE key, replace the keypad. You can also replace the SPU board or turn off and on the radar.
Why Furuno 1935DISP Marine Radar power cannot be turned on?
If the power cannot be turned on for your Furuno Marine Radar, the issue may be with the mains voltage/polarity. Correct the wiring and input voltage. Alternatively, the power supply board may need to be replaced.
What to do if Furuno Marine Radar has no response when a key is pressed?
If your Furuno Marine Radar is not responding when a key is pressed, turn the power off and on. If you still do not get a response, the key may be damaged.
What causes Furuno Marine Radar antenna not rotating?
If the antenna on your Furuno Marine Radar is not rotating, the antenna drive mechanism may need to be replaced.
General| Power Output | 6 kW |
|---|---|
| Frequency | 9410 MHz ±30 MHz |
| Transmitter Power | 6 kW |
| Operating Temperature | -15°C to +55°C |
| Display Size | 10.4 inches |
| Display Type | Color LCD |
| Screen Size | 10.4 inches |
| Resolution | 640 x 480 pixels |
| Range | 72 nautical miles |
| Interface | NMEA0183 |
| Power Supply | 24 V DC |
| Range Scales | 0.25 to 72 nautical miles |
