
Chapter 3: Standard Radar Operations 3-15
Measuring Range and
Bearing to Target
from Vessel
Figure 3-12: Placing a VRM
2. Ifrequired, usethe trackpadcontrols to changetheradius (range)ofthe
VRMcircleand the angleoftheEBLuntilthey cross therequiredtarget.
Therangeand bearinginformation inthe VRM/EBL data box is updated
asyoumovethecursor.
3. PressENTER to drop the VRM/EBL. The radarshows this
VRM/EBLasashort-dashedline,andthecursorreturnsto normalcontrol.
4. Readthe range and bearingto the targetor point,whichisshowninthe
VRM/EBL databox.
5. Ifrequired, youcanmoveordeletethe VRM/EBL databoxusingthecon-
text-sensitivecursor.
➤ To placea VRM/EBLwhen one is alreadydisplayed:
1. PressVRM/EBL to display the VRM/EBL soft keys.
Thelabelsfor the two left-hand softkeys indicatethe currentstatus of the
two VRM/EBLs.
2. PressthesoftkeyfortheVRM/EBLyourequire,totogglethesettingfrom
OFF to ON.
Thesoftkeylabelsarecleared,andtheradarpictureshowstheVRM/EBL
andits associateddatabox.
3. PositiontheEBL/VRM usingthe trackpad,andpressENTER to drop it.
Theradarshows the VRM/EBL as a short-dashedline(VRM/EBL1) or a
long-dashed line(VRM/EBL2), and the cursorreturns to normalcontrol.
D3970-1
Ship's Heading Marker
VRM as solid line
Cursor symbol
as four-way arrow
Cursor text in
inverse video
Indicate cursor control
of VRM/EBL
EBL as solid line
VRM/EBL
VRM/EBL
D3645-2
FLOAT¬
VRM/EBL2
OFF ON
VRM/EBL1
OFF ON
VRM/EBL
DATABOX
OFF ON
VRM/EBL1
OFF ON
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