Using Radar To Track Targets And Avoid Collisions - Raymarine e7D Installation And Operation Handbook

Enabling and disabling radar range rings
From the radar application:
1. Select MENU.
2. Select Presentation.
3. Select Range Rings.
Selecting Range rings will switch the range rings On and Off.
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12.12 Using radar to track targets and
avoid collisions
The Guard Zone , VRM/EBL and MARPA functions will help you
track targets and avoid collisions.
With a radar connected to your multifunction display, you can:
• Assess how far away a target is and its bearing (VRM/EBL).
• Set an alarm to trigger when a target is within a specified zone
(Guard Zone).
• Display detailed information on tracked targets (MARPA).
• Display the range and bearing of a target.
Setting up a radar guard zone
From the radar application:
1. Select Menu.
2. Select Track Targets.
3. Select Guard Zone Set-up.
4. Select Zone.
Selecting Zone will switch the zone On and Off.
5. Select Adjust Zone.
6. Select Zone shape to switch between Sector or Circle.
7. Select Adjust Outer.
i. Using the Rotary Control adjust the outer radius of the guard
zone to the required distance.
ii. Press the Ok button, or select the next option.
8. Select Adjust Inner.
i. Using the Rotary Control adjust the inner radius of the guard
zone to the required distance.
ii. Press the Ok button, or select the next option.
9. Select Adjust Width.
i. Using the Rotary Control adjust the angular width of the
guard zone to the required setting.
ii. Press the Ok button, or select the next option.
10. Select Adjust Bearing.
i. Using the Rotary Control adjust the bearing about the
heading marker of a sector zone to the required setting.
ii. Press the Ok button.
Note: Guard zone width and bearing can only be adjusted when
the Zone Shape is set to Sector.
Guard zone context menu
The guard zone function includes a context menu which provides
additional menu items.
The guard zone context menu can be accessed by:
• Selecting the guard zone area on screen and pressing the Ok
button, or
• Selecting and holding on the guard zone on screen — Hybridtouch
multifunction displays only.
The context menu provides the following menu items:
• Adjust Zone
• Zone Off
The menu items can be accessed:
• using the Rotary Control and Ok button, or
• selecting the menu item on screen — Hybridtouch multifunction
displays only.
Adjusting guard zone using touch
You can open the Guard zone menu from the guard zone context
menu.
This only applies to HybridTouch displays.
e7 / e7D / e95 / e97 / e125 / e127 / c95 / c97 / c125 / c127