Why don't Loran C (or Decca) TDs appear on Furuno Marine Radar?
If Loran C (or Decca) TDs do not appear on your Furuno Marine Radar, check that LORAN C (or DECCA) is selected at TD DISPLAY on the GENERAL SETUP menu or check that proper Loran C (Decca) chains codes are entered on the TD SETUP menu.
Why is water temperature readout wrong on Furuno Marine Radar?
If the water temperature graph appears but the readout is wrong or there is no readout on your Furuno Marine Radar, check that the sensor cable is tightly fastened.
Why does Furuno 1722C Marine Radar picture appear but zero line doesn't?
If the Furuno Marine Radar picture appears but the zero line does not appear, the picture is shifted. Confirm the shift setting.
What to do if Furuno Marine Radar displays 'Low Voltage! Internal Battery'?
If your Furuno Marine Radar indicates 'Low Voltage! Internal Battery', have a qualified technician replace the battery.
What to do if Furuno 1722C key is not responding?
If there is no response when a key is pressed on your Furuno Marine Radar, turn off and on the power. If there still is no response the key may be faulty. Request service.
What to do if Furuno 1722C range changed but radar picture doesn't change?
If the range is changed but the radar picture does not change on your Furuno Marine Radar, try hitting the [+] and [-] keys again or turn the display unit off and on again.
Why is sensitivity poor on Furuno 1722C even after tuning?
If the tuning is adjusted but sensitivity is poor on your Furuno Marine Radar, the magnetron may need to be replaced. Contact your dealer.
Why do marks appear but no echo on Furuno 1722C?
If marks, legends appear but no echo appears on your Furuno Marine Radar, check in the power cable. If it is blown, replace it.
What to do if Furuno 1722C Marine Radar display is blank?
If you pressed the [POWER/BRILL] key and the RADAR TX soft key to show the radar picture and nothing appears on the display of your Furuno Marine Radar, check that the signal cable between the display unit and the antenna is firmly fastened and that the radar source is correct.
Why is the bearing wrong on my Furuno Marine Radar?
If the Furuno Marine Radar bearing is wrong, check that the correct magnetic variation is entered on the GENERAL SETUP menu.
Covers the main controls of the display unit and remote controller for radar operation.
Procedures for switching the radar between transmit and stand-by states.
Covers automatic and manual methods for tuning the radar receiver for optimal performance.
Details on adjusting receiver sensitivity to optimize echo visibility and reduce noise.
Explains how to use A/C SEA to reduce unwanted echoes from waves.
Covers adjusting A/C RAIN and FTC to mitigate clutter from rain or snow.
Explains the four radar presentation modes: Head-up, Course-up, North-up, True Motion.
Details methods for measuring target range using range rings, cursor, and VRM.
Explains how to measure target bearing using the cursor and EBL.
Procedures for reducing random 'speckles' or noise on the radar display.
Methods for reducing interference from other shipborne radars.
Details on using the offset EBL for collision course prediction and range/bearing measurement.
Covers setting and managing guard zones for proximity alarms.
Explains the watchman function for periodic radar checks and alerts.
Covers automatic target tracking, acquisition, and data display with ARP/TTM.
Describes the three plotter presentation modes: North-up, Course-up, and Auto Course-up.
Covers displaying, stopping, restarting, changing color, interval, and erasing ship tracks.
Covers entering, editing, erasing, changing size, and searching for waypoints.
Detailed procedures for creating, connecting, inserting, removing, and erasing routes.
Covers navigating to quick points, waypoints, ports, port services, and following routes.
Details on setting and managing various plotter alarms like Arrival, Anchor Watch, XTE, Speed, and Proximity.
Covers marking Man Overboard (MOB) positions and setting them as destinations.
Explains automatic adjustment of gain, range, and clutter suppression for cruising and fishing.
Details setup for sounder alarms: audio, bottom, fish, temperature, and when alarms are violated.
Regular maintenance tasks for optimal performance, including cleaning and connection checks.
Procedures for replacing fuses and batteries to ensure equipment functionality.
Provides solutions for common issues related to power, response, radar, plotter, and sounder.
Includes Memory I/O, Keyboard, Remote Controller, and Test Pattern diagnostic procedures.
Steps to clear unit memories and restore default settings for display, GPS, and sounder.
Lists common error messages and their corresponding remedies for troubleshooting.
General| Brand | Furuno |
|---|---|
| Model | 1722C |
| Category | Marine Radar |
| Language | English |
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