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2. RADAR, CHART RADAR OPERATION
2.12
How to Measure the Range and Bearing Between
Two Targets
How to measure the range and bearing between two targets from the Control
Unit
1. Press the EBL1 to activate EBL1.
2. Operate the trackball to place the origin of the EBL1 on a target of interest.
3. Press the EBL OFFSET key.
4. Operate the EBL rotary control to bisect the other target of interest.
5. Operate the VRM rotary control until the range marker on the EBL is on the inside
edge of target 2.
You can repeat the same procedure on third and fourth targets (targets 3 and 4) by
using the EBL2 and the VRM2.
Bearing is shown relative to own ship with suffix "R" or as a true bearing with suffix "T".
To return the EBL origin to the screen center, push the EBL OFFSET key.
How to measure the range and bearing between two targets from the track-
ball module
1. Right-click the display area to show the context-sensitive menu.
2. Select [EBL Offset] then [EBL1].
3. Put the origin of the EBL on a target of interest.
4. Push the left button to anchor the EBL.
5. Spin the scrollwheel or use the trackball to bisect the other target of interest.
6. Put the cursor on the VRM1 box then spin the scrollwheel to put the range marker
on the EBL on the inside edge of target 2.
You can repeat the same procedure on third and fourth targets (targets 3 and 4) by
using the EBL2 and the VRM2.
Bearing is shown relative to own ship with suffix "R" or as a true bearing with suffix "T".
To return the EBL to its origin, open the context-sensitive menu then select [Reset
EBL].
EBL1
EBL1
EBL2
°
140.0
335.2
R
Range/bearing
between targets
1 and 2
2-16
Range
000
010
350
340
020
330
marker
320
310
Target 2
300
Target 4
290
Target 1
280
270
EBL origin
260
250
240
230
220
210
200
160
°
190
170
180
R
Range/bearing
between targets 3 and 4
EBL2
030
040
050
Range
060
marker
070
R2
080
090
Target 3
100
110
120
130
140
150
VRM1
VRM2
TTG 45:02
TTG 99:59
0.50
0.98
NM
NM
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Table of Contents
Troubleshooting
