Quick Operation Guide for JMR-7230-S3/S, JMR-7225-7X3/9X3/6X/9X/6XH, JMR-7210-6X/6XH, JMR-7272-S, JMR-7282-S/SH, JMR-9230-S3/S, JMR-9225-7X3/9X3/6X/9X/6XH, JMR-9210-6X/6XH, JMR-9272-S, and JMR-9282-S/SH Marine Radar Equipment

About this manual

This guide provides step-by-step instructions for operating JRC marine radar models such as JMR-7230-S3/S and JMR-9282-S/SH. It covers basic operations like powering on, adjusting screen brightness, and changing observation range. It also explains how to manage sea and rain/snow clutter, use electronic cursors and variable range markers, and set up target tracking and AIS functions. Safety warnings advise using radar only as a navigation aid, not as the sole basis for maneuvering decisions.

What's inside

• Powering On and Starting
• Finishing and Stopping Operation
• Adjusting Screen Brightness
• Changing the Observation Range
• Adjusting Gain
• Removing Sea Clutters
• Removing Rain/Snow Clutters
• Using the Electronic Cursor
• Using Variable Range Marker
• Setting Up Measurement Reference Point

Frequently asked questions

How do I power on the radar?

Make sure the ship's power is on, press the Power button on the operation unit, wait for preheating to complete, then click the standby/transmission changeover button to start transmission.

How do I adjust screen brightness?

Use the "MULTI" dial to adjust brightness. Rotate it right to brighten or left to darken the screen.

How do I stop an alert?

Click the Silence button in the Alert Notification Area or press the "SILENCE" key on the trackball operation unit.