JRC JMA-9172-SA - Measurement with Two Arbitrary Points

JMA-9172-SA Instruction Manual > 4.MEASUREMENT OF RANGE AND BEARING > 4.2 MEASUREMENT OF RANGE AND
BEARING
4－21
4
Procedures
1) Press the [EBL1] key.
The (located at the upper
right of the display) will be
highlighted, and EBL1 will be
shown with a dotted line on the PPI
display.
2) Move the EBL1 to the
target by turning the [EBL]
dial.
The EBL1 bearing will be shown in
the EBL1 bearing (located at the
upper right of the display). The EBL1 bearing is the bearing of the target.
3) Press the [VRM1] key.
The (located at the upper right of the display) will be highlighted, and VRM1
will be shown with a dotted line on the PPI display.
4) Move the VRM1 to the target by turning the [VRM] dial.
The range of VRM1 from the own ship's position will be shown in the VRM1 range located
at the upper right of the display.
4.2.3 Measurement with Two Arbitrary Points
Procedures
1) Press the [EBL2] key.
EBL1 adjustment
VRM1 adjustment
EBL1 numeric value indication
true / relative switching
EBL1 starting point
mode switching
EBL1
VRM1
Target
EBL1
180
0
90270
VRM1
5.00NM
Bearing and range from the
own ship’s position to target in this figure :
True bearing 45.0 °
Range 5.00 NM
45.0°
Own ship’s position