Most modern JRC radars (like the JMA series) feature diagnostic LEDs on the modulator/transceiver board. Check if the "TX" or "SYS" LEDs are flashing red or are completely unlit.
Check the main JRC connector (often a 10-pin or similar configuration) for, or within, the scanner unit itself. 3. Check for Power at the Scanner Unit no sync signal jrc radar
Check the multi-pin chassis plugs and sockets for green copper corrosion or loose pins. Most modern JRC radars (like the JMA series)
: It ensures that the "blips" you see on the screen are placed at the correct distance and angle. Safety and Regulations Operating without a functional radar can be a violation of SOLAS (Safety of Life at Sea) no sync signal jrc radar