Annular Activation Zones - Sperry Marine Visionmaster FT ECDIS User Manual

Targets
There is a limit on the number of targets within all active zones. An AZ Full
alarm is raised when the next target enters the zone after the limit has been
reached. The AZ Full alarm is cleared when the number of targets falls
below the limit.

Annular Activation Zones

The initial annular zone definitions are as follows:
The initial system zone definitions are as follows:
•
Zone 1 4 to 5 NM long distance units and 270° to 90°
•
Zone 2 12 to 14 NM long distance units and 270° to 90°
An annular zone can be edited by changing its radial position and depth,
and by changing its start bearing and end bearing within the limits defined
below.
End Range (in long distance units)
Start Depth (in long distance units)
Bearing
To create activation zone parameters from the Activation Zones
window do the following:
With the Activation Zones window opened and the zone active (On) click
on the Edit button of the zone to be edited (Zone 1 or Zone 2). You can
edit both the Bearing (the radial angle of the zone) and the Range (the
depth of the zone).
To edit the zone bearing:
1. Click inside the Start field. The start degree number changes from
white to green (editable).
2. Move the trackball left (to decrease the numerical degree) or right
(to increase). If the zone is switched off (inactive) the zone appears
on the display when the parameters are changed.
3. To change the End bearing repeat the procedure above.
To edit the zone range:
1. Click inside the Start field. The start degree number changes from
white to green (editable).
10-44
Activation Zone Limits
Parameter
ECDIS User Guide
Min Max
1.0 40.0
0.4 2.0
6° 354°
65900012