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4. Press [2] key to select RINGS BRILL option.
5. Press [2] key again. Each pressing gradually increase their brightness in 4 steps and fifth
press erases the range rings.
6. Press the ENTER key to confirm you selection.
7. Press the RADAR MENU key to close the menu.
Use the Variable Range Markers (VRMs) for more accurate measurement of the range to a
target. There are two VRMs, No. 1 and No. 2, which appear as dashed rings so that you can
discriminate them from the fixed range rings. The two VRMs can be distinguished from each
other by different lengths of dashes.
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No.1
VRM
Target
blip
No.2
VRM
VRM
0.66NM
1.18NM
Active VRM is identified
with this marker.
Measuring the range
Press the VRM ON key to display either of the VRMs.
Successive presses of the VRM ON key toggle the active VRM between No. 1 and No. 2 and
the currently active VRM readout is circumscribed by >.....<.
Turning the VRM control, align the active variable range marker with the inner edge of the
target of interest and read its distance at the lower-right corner of the screen. Each VRM
remains at the same geographical distance when you operate the RANGE+ or RANGE- key.
This means that the apparent radius of the VRM ring changes in proportion to the selected
range scale.
Press the VRM OFF key to key to erase each VRM.