JRC JMR-611 Instruction Manual page 122

270
Target's bearing from own ship
EBL1
EBL2
<Operation>
Setp1: Press
Step2: EBL Control by JOG DIAL
VRM1
Own Ship
45.0°
EBL1
EBL2
（Note：EBL and VRM use the same JOG DIAL）
0
45°
3km
Distance from own ship to the target
180
Setp3: Press
VRM1
VRM2
Figure 4.3
4-4
EBL1
Target
90
VRM1 3 km
VRM2
Step4: VRM Control by JOG DIAL