JRC JMA-610 Series, Instruction Manual, Page: 109 / 172

4.3 MEASUREMENT BY EBL AND VRMS
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4-3
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4.3
MEASUREMENT BY EBLS AND VRMS
Procedures
1 Press [EBL1/EBL2] key to select EBL1 display and operation.
The EBL1 button at the lower left of the radar display will be highlighted and the
EBL1 will appear as a broken-line on the PPI display.
2 Turn the [JOG DIAL] to put EBL1 on a target.
The bearing of the EBL1 will appear at the lower left of the radar display. The EBL1
bearing represents the target’s bearing.
3 Press [VRM1/VRM2] key to select VRM1 display and operation.
The VRM1 button at the lower right of the radar display will be highllighted and the
VRM1 will appear as a broken-line circle on the PPI display.
4 Move the broken-line VRM1 to the target by using the [JOG
DIAL] control.
The range of the VRM1 from own ship will appear at the lower right of the radar display.
The range of VRM1 indicates a distance between the target and own ship.
Refer to Figure 4.3 in the next page.
In this Figure 4.3, the range and bearing are;
Range: 3km
Bearing: 45.0
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Important information
EBL or VRM of JOG DIAL operation can be also operated by Trackball. If you
operated EBL or VRM at the last time, you must fix the position of EBL or VRM
by pressing ENTER key. Otherwise, the position that you decided is moved by
JOG DIAL or Trackball.