Alarm Function; Using An Alarm Function - Icom MR-1220 Series Instruction Manual

4

ALARM FUNCTION

Using an Alarm function

the radar has an alarm function to protect your vessel
from collisions. the Alarm function alerts you with an
alarm sound and message on the screen if a vessel,
island, or other obstruction enters (or goes out of)
the preset Guard zone(s). You can set the up to two
Guard zones by setting ranges and angles.
D Setting a Guard zone
(Example: Setting the Alarm 1)
1. Select the desired screen range.
2. move the cross-line cursor to the starting point of
the alarm zone.
3. Push [Alm 1/2]/[
• " " and the preset Guard zone is displayed.
4. Hold down [Alm 1/2]/[
enter the Guard zone setting mode.
• the inner center of the Guard zone moves to the
cursor, and the cross-line cursor disappears.
5. Push [◄] or [►] to adjust the angle (1), and push
[▲] or [▼] to adjust the distance of the alarm
zone(2).
6. Push [Alm 1/2]/[
• the cross-line cursor is displayed.
• the selected Guard zone remains.
 You can set the Alarm 2 in the same way.
 Push [Alm 1/2]/[
the Alarm 2.
21
1/2] to turn on the Alarm 1.
1/2] for 1 second to
Alarm icon
Guard zone
1
2
1/2] to apply the Guard zone.
1/2] several times to turn on
When a target comes into (or goes out of) the
Guard zone:
• An alarm sounds.
• the alert message is displayed.
• the Guard zone is highlighted.
1. Push [clEAr]/[ ] to stop the alarm.
2. Push [Alm 1/2]/[ 1/2] to cancel the alarm
signal and function.
3. to deactivate the alarm function, push [Alm 1/2]/
[ 1/2] several times.
• " " and the Guard zone disappear.
4. to turn on the alarm function again with the same
Guard zone, push [Alm 1/2]/[
• " " and the preset alarm zone is displayed.
1/2].