JRC JMA-5204 Instruction Manual page 132

Setting of Parallel Index Lines (Parallel Index Line)
[I] Parallel Index Line Range Link (Range Scale Link)
When a range is switched, parallel index lines links to a radar range scale and displayed.
Procedure 1
2
Press [RADAR MENU] key.
Press [3] key.
Press [5] key.
Press [3] key.
The Parallel Index Line Menu will appear.
Press [1] key.
Range Scale Link is switched between ON and
OFF each time you press [1] key.
Range Scale Link ON:
If the range is switched, the width between
parallel index lines changes in accordance with
the radar range scale.
Range Scale Link OFF:
If the range is switched, the width between parallel index lines remains fixed.
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