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

81244_4.book Page 171 Thursday, January 31, 2008 1:53 PM
Chapter 7: Using the Radar (Analog)
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
Move EBL over
2nd target
CENTER
FLOATING EBL...
2
ADJUST VRM
OK
190 0
Bearing between
To save &
1st & 2nd target
remove
on soft key
highlight
OK
CENTER OK
171