Garmin gmr 21-41 User Manual

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GMR 21/41 Owner’s Manual 
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To view the MARPA List:
 Press the
MARPA List soft key.
Enter Standby (Begin Transmitting)
The Enter Standby (Begin Transmitting) option allows you to 
select whether the radar is in Standby Mode or is transmitting. 
Select Enter Standby to place the radar into Standby Mode. While 
in Standby Mode, the radar does not transmit, but power remains 
applied to the Magnetron. Select Begin Transmitting to remove the 
radar from Standby Mode. After the radar completes “Spinning Up,” 
the radar begins transmitting.
Map Page Radar Overlay
Radar information can be shown as an overlay on the Map Page. 
When you overlay radar information on the Map Page, press  
ADJ/MENu to access radar options. 
  NOTE: Changing the map scale does not change the radar range. 
When you zoom in or our on the Map Page, the radar overlay is 
scaled to fit.
Map Page with Radar Overlay and Radar Page
To overlay radar data on the Map Page:
1.  On the Map Page, press the
Show Radar soft key.
2.  To hide the radar overlay, press the
Radar Options soft key,
and then press the
Hide Radar soft key.