Using Radar To Avoid A Collision; Guard Zones - Raymarine E120W Reference Manual

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5. If required, you can float a second VRM/EBL:
i. Press SET UP VRM/EBL 2.
ii. Toggle the VRM/EBL 2 to ON.
iii. Repeat steps 1 to 8 above.
Unfloating a VRM/EBL
To unfloat VRM/EBLs and return them to the central position:
1. Select the VRM/EBL option.
2. Unfloat VRM/EBL 1 or 2:
To unfloat VRM/EBL 1:
FLOATING EBL...
To unfloat VRM/EBL 2:
SET UP VRM/EBL

7.10 Using radar to avoid a collision

Your radar includes numerous functions to help you avoid a collision. You can:
• Assess how far away a target is and its bearing (VRMs/EBLs).
• Set an alarm to trigger when a target is within a specified zone (Guard Zones).
• Display detailed information on tracked targets (MARPA).
• Display the identity of other vessels and if broadcasted, their voyage information
(AIS).
• Display the range and bearing of a target.

Guard Zones

Guard zones are fixed with respect to the SHM, moving as it moves. They also move if
the centre is offset or the range scale is changed, so that the pre-marked area is
ADJUST EBL
xxx 0
CENTER
FLOATING EBL...
2
E-Series Networked Display Reference Manual
ADJUST VRM
190
Bearing between
1st & 2nd target
Move EBL over on soft key
2nd target
OK
CENTER
OK
0
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remove
highlight
OK