Garmin GDL 30 - Manual (Page 28)

 GDL 30/30A Owner’s Manual
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Blink Codes
The GDL 30/30A turns on and off when the chartplotter to which it is connected
is turned on or off. The two-color (Green/Red) Status LED on the GDL 30/30A
indicates the current operational status of the module. Codes are:
Green blinking, on for 1 second, off for 1/2 second (slow blink)
Status: GDL 30/30A is on and is receiving an XM signal.
Red blinking, on for 1/10 second, off for 1/10 second (very fast blink)
Status: System alarm. The display device gives a message indicating the type
of failure.
Solid Red (no blink)
Status: Software failure - Call Garmin Product Support.
N E T W O R K
S TAT U S
A N T E N N A A U D I O
Status Indicator LED
Weather-Related Broadcast Rates
Feature
Broadcast Rate
(mnutes)
NEXRAD 
Cloud Tops 
Storm Cells .
Lghtnng 
Wnd 
Pressure 
Hurrcanes 
Vsblty 
Fronts 
Sea Surface Temperature 
Wave Heght 
Wave Perod 
Wave Drecton 
Current Condtons 
Forecasts 
Sea Surface Condtons