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1. RADAR OPERATION
1-34
By trackball
1. Roll the trackball to place the arrow in the EBL1 or EBL2 box, whichever EBL
you want to use.
EBL1
EBL2
EBL boxes
2. The guidance box reads “EBL ON/.” Push the left button to turn on the EBL.
The guidance box now reads “EBL SET L=DELETE /.”
3. Push the left button again and the cursor jumps to inside the effective display
area. The guidance box now reads “EBL FIX L=DELETE/.”
4. Roll the trackball (coarse adjustment) or wheel (fine adjustment) to bisect the
target with the EBL.
Note: Each EBL carries a range marker, or a short line crossing the EBL at
right angles and its distance from the EBL origin is indicated at the
VRM readout whether or not the corresponding VRM is displayed. The
range marker changes its position along the EBL with the rotation of
the VRM.
5. Push the left button to anchor the EBL and fix its readout, or push the right
button to return the EBL to its previous location (bearing).
6. To erase an EBL, choose the appropriate EBL readout box and then push the
left button until the EBL disappears from the screen.
000
010
020
030
040
050
060
070
080
090
100
110
120
130
140
150
160
170
180
190
200
210
220
230
240
250
260
270
280
290
300
310
320
330
340
350
No. 2
EBL
Target
blip
No. 1
EBL
Range markers
on EBLs
VRM1
VRM2
12.1
NM
EBL1
EBL2
>128.0
°
T<
100.8
°
T
>10.2
NM
<
Measuring bearing with EBLs