JRC JMA-7122-6XA - Using Variable Range Marker (Vrm1; Vrm2)

To return the EBL starting point to own ship's position
Procedures
1 Make EBL1 or EBL2 operable.
2 Press the [EBL] dial to set for the EBL1 / EBL2 starting point mode
switching.
The selected EBL starting point will be set as the own ship's position.
2.9 Using Variable Range Marker (VRM1 / VRM2)
To operate VRM
Procedures
1 Press the [VRM1] or [VRM2] key.
The VRM adjustment will be highlighted, and the selected VRM becomes operable.
2 Turn the [VRM] dial.
To turn the [VRM] dial to the right, the VRM control wide, to turn the [VRM] dial to the left, the
VRM control narrow.
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