Garmin 720 Two-Way Radio User Manual


 
68 GPSMAP 700 Series Owner’s Manual
Radar
Shifting the Field of View on the Radar Screen
You can shift your present location toward the bottom of the screen automatically as your speed increases.
Enter your top speed for the best results. This setting applies to every radar mode. This setting does not apply
to the Radar Overlay.
1. From the Home screen, select  >  >  >  > .
2. Enter the top speed at which you expect to navigate.
3. Select .
Radar Navigation Settings
Showing the Heading Line on the Radar Screen
You can show an extension from the bow of the boat in the direction of travel on the Radar screen. This setting
does not apply to the Radar Overlay.
From the Home screen, select  >  >  >  > .
Showing and Hiding Range Rings on the Radar Screen
The range rings help you to visualize distances on the Radar screen. This setting does not apply to the Radar
Overlay.
From the Home screen, select  >  >  >  > .
Showing Navigation Lines on the Radar Screen
The navigation lines indicate the course you have set using Route To, Guide To, or Go To. This setting does
not apply to the Radar Overlay.
From the Home screen, select  >  >  >  > .
Radar Scanner and Antenna Settings
Setting the Antenna Rotation Speed
: You can set the rotation speed for GMR 18, 18 HD, 24, 24 HD, 404, 406, 604 xHD, 606 xHD, 1204
xHD, or 1206 xHD radars only.
1. From the Home screen, select  >  > .
2. Complete an action:
Select .
Select  to increase the speed at which the antenna rotates, which increases the speed at
which the screen updates.
Setting the Radar Antenna Size
You can indicate the size of the radar antenna in order to optimize the radar picture. Until you specify the
antenna size, the “Radar needs to be congured” message appears.
: You can set the antenna size for GMR 404, 406, 604 xHD, 606 xHD, 1204 xHD, or 1206 xHD radars
only.
1. From the Home screen, select  >  > .
2. Select  or .
Turning On and Conguring a Radar No-transmit Zone
You can indicate an area within which the radar scanner does not transmit signals.
: You can set a radar no-transmit zone for GMR 604 xHD, 606 xHD, 1204 xHD, or 1206 xHD radars
only.
1. From the Home screen, select  >  >  > .
The no-transmit zone is indicated by a shaded area on the Radar screen.
2. Select .
3. Touch and drag the cursor to adjust the starboard no-transmit angle.
4. Select .
5. Touch and drag the cursor to adjust the port no-transmit angle.