10 using radar to avoid a collision, Guard zones, Unfloating a vrm/ebl – Raymarine C Series User Manual
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C-Series Display Reference Manual
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:
6.10 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 
D8431_1
Bearing between 
1st & 2nd target 
on soft key
ADJUST VRM
190
0
Move EBL over 
2nd target 
ADJUST EBL
xxx
0
To save & 
remove 
highlight
OK
D8432_1
To unfloat VRM/EBL 1:
FLOATING EBL...
CENTER
OK
To unfloat VRM/EBL 2:
FLOATING EBL...
CENTER
SET UP VRM/EBL
2
OK
81221_4.book Page 140 Tuesday, February 28, 2006 5:24 PM
