Measurement With Electronic Bearing Line And Variable Range Marker [Ebl] [Vrm] - JRC JMA-9123-7XA Instruction Manual

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JMA-9100 Instruction Manual 4.MEASUREMENT OF RANGE AND BEARING
4.2.2 Measurement with Electronic Bearing Line and Variable
Range Marker [EBL] [VRM]
Procedures
1) Press the [EBL1] key.
The
EBL1
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
will be shown with a dotted line on the PPI display.
Move the VRM1 to the target by turning the [VRM] dial.
4)
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.
EBL1
270
Own ship's position
(located at the upper
VRM1 (located at the upper right of the display) will be highlighted, and VRM1
0
45.0°
5.00NM
180
4－ 20
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4.2 MEASUREMENT OF RANGE AND BEARING
EBL1 numeric value indication
true / relative switching
VRM1 adjustment
Target
90
VRM1
Bearing and range from the
own ship's position to target in this figure :
True bearing 45.0 °
Range 5.00 NM
EBL1 adjustment
EBL1 starting point
mode switching