Interference Rejectio [Ir]; Hide/Display Range Rings [Rangge Rings] - JRC JMA-610 Series Instruction Manual

3.4.8 Interference Rejection [IR]
When viewing a radar beacon or SART signal, select
IR Off (Interference Rejection Off) because IR
processing suppresses the video.
Procedures 1
Rejection levels of the interference rejection
IR OFF:
IR LOW:
IR MEDIUM: Interference rejection level - middle
IR HIGH:
When a high interference rejection level is selected, the radar's ability of detecting small
targets such as buoys and small boats lowers.
In general, [IR LOW] should be selected.
3.4.9 Hide/Display Range Rings [RANGE RINGS]
Procedures 1
Interference by other radars is rejected.
Attention
Put the cursor on IR at the upper right of the screen and press
[ENTER] key.
The interference rejection modes are switched.
Interference rejecter off
Interference rejection level - low
Interference rejection level - high
Press [RANGE RINGS] key.
The range rings is switched to On or Off.
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