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Introduction

An on-screen guide to 

performing functions that 

require multiple steps and 

options.

The small arrows indicate 

that you should select a 

series of items in order, for 

example, “Select 

Delete > 

Yes.”

The status bar at the top of each Astro 

page provides status information.

➋ ➌

➊

➊

Indicates the satellite signal 

strength.

➋

Blinks when the unit detects a 

signal (for example, a DC 40) on 

the channel it is receiving.

➌

Indicates the remaining battery 

power. 

Indicates the Astro is powered by 

an external source.

When an on-screen message appears, 

you can press ENTER to acknowledge 

the message and close the window.
Messages also indicate temporary 

conditions, such as “Calculating 

Route.” The message window closes 

as soon as the process is complete.

1.  Press and quickly release   .
2.  Use the Rocker to adjust the 

brightness levels. 
TIP: You can also press and 

quickly release   to cycle through 

the brightness levels.