Garmin gpsmap 740s Manuale Utente

Radar 

Sentry mode allows you to put the radar into timed-transmit mode, in which you can configure a radar transmit 

and standby cycle to conserve power. You can also enable a guard zone in this mode, which identifies a safe 

zone around your boat and sounds an alarm when a radar object enters this zone. Sentry mode works with all 

Garmin GMR model radars.

From the Home screen, select Radar > Sentry.

From the Home screen, select Radar > Sentry > Menu > Sentry Setup > Timed Xmit > on.

You must enable timed transmit before you can set the standby and transmit times (

). 

To help conserve power, you can indicate the radar standby time and the transmit time to implement periodic 

radar signal transmissions at set intervals.
1.  From the Home screen, select Radar > Sentry > Menu > Sentry Setup.
2.  Select Stdby Time.
3.  Enter the time interval between radar signal transmissions.
4.  Select Done. 
5.  Select Xmit Time.
6.  Enter the duration of each radar signal transmission.
7.  Select Done.

From the Home screen, select Radar > Sentry > Menu > Sentry Setup > enable Guard Zone.

You must enable a guard zone before you can define the boundaries of the zone (

You can define the boundaries of a guard zone that does not completely encompass your boat.
1.  From the Home screen, select Radar > Sentry > Menu > Sentry Setup > Adjust Guard Zone > Move 

Guard Zone > Corner 1.

2.  Touch and drag the location of the outer guard-zone corner ( ).

3.  Select Corner 2.