How To Set A Guard Zone - Furuno TZT12F Operator's Manual

How to measure the range, bearing from own ship to a target
Target Target
Tap a target to show its range
and bearing from own ship.

How to set a guard zone

How to set a guard zone
A guard zone alerts you (with aural and visual alarms) when a radar target enters the area you
specify.
60
Open the
[Layers] menu.
Guard zone Guard zone
The guard zone appears in dashed
lines.
An icon appears at each corner
of the guard zone.
Tap the guard zone again.
Tap
20
30
40
Tap
Goto Goto Goto
1
Tap
Tap dashed line on guard zone.
Drag the icons to set guard zone.
ON
7 7
ON
ON
(Top right corner)
The dashed lines change to
solid lines, indicating the
guard zone is active.