Using Variable Range Marker (Vrm1 / Vrm2 - JRC JMA-5322-6HS Simplified Manual

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
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.
for the EBL1 / EBL2 starting point mode
S-9