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.
Why is my Furuno 1722C position wrong?
If your Furuno Marine Radar position is wrong, check that the correct geodetic chart system is selected in the GPS SENSOR SETTINGS menu or enter position offset on the GPS SENSOR SETTINGS menu.
Why is depth not displayed on my Furuno Marine Radar?
If the Furuno Marine Radar depth is not displayed, adjust gain to display the bottom echo (in reddish brown on the color model), if you are using the manual sounder mode or correctly display bottom echo on the display, if you are using manual sounder mode.
How to fix Furuno 1722C picture if it is not updated or freezes?
If the picture is not updated or freezes on your Furuno Marine Radar, check the signal cable or turn the display unit off and on again.
How to turn on Furuno Marine Radar if it does not power on?
If you cannot turn on the power of your Furuno Marine Radar, check for a blown fuse, ensure the power connector is firmly fastened, inspect for corrosion on the power cable connector, check for a damaged power cable, and verify the battery has proper voltage output (10.8 to 31.2 V).
What to do if no sounder display appears on Furuno 1722C?
If you selected a sounder display with the DISP key but no sounder display appears on your Furuno Marine Radar, check that the signal cable between the network sounder and this equipment is firmly fastened, check that the network sounder is plugged in (the LED of the network sounder should flash every second), and verify that the sounder source is correct.
How to improve range discrimination on Furuno 1722C?
If there is poor discrimination in range on your Furuno Marine Radar, adjust A/C SEA or check heading and speed data for input.
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 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.
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.
General| Brand | Furuno |
|---|---|
| Model | 1722C |
| Category | Marine Radar |
| Language | English |
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.
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