Auto Shutdown
The auto shutdown feature turns the Sirius S50 off after one hour of inactivity. This feature is only available when in the vehicle dock. Enabling this feature while using the Sirius S50 in your vehicle prevents accidental battery drainage by turning it off if you forget to do so.
Enabling Auto Shutdown
1.Press the 
Setup button.
2.Select Time Settings 
Auto Shutdown.
Notes:
If there have been no buttons pressed for one hour, the Sirius S50 will automatically turn itself off. If any buttons are pressed during the one hour shutdown period, the auto shutdown timer will be reset to one hour.
After 59 minutes of inactivity, a prompt will be displayed to cancel the auto shutdown. Press- ing the 
Select button at the prompt will reset the auto shutdown timer to one hour.
Auto Dimming
The auto dimming feature will automatically dim the display screen of the Sirius S50 when the ambient light becomes dark. This is useful if using the Sirius S50 at night in a vehicle.
Enabling or Disabling Auto Dimming
1.Press the 
Setup button.
2.Select Display Settings 
Auto-Dim: Off/On. (Figure 1)
3.The
Adjusting the Auto Dimming Brightness
1.Press the 
Setup button.
2.Select Display Settings 
3.Turn the 
Media Dial to select the brightness level. (Figure 3)
4.Press the 
Select button to set the new brightness level.
DISPLAY SETTINGS
Brightness
BACK
Figure 1
DISPLAY SETTINGS
BACK
Wallpaper: Off
Figure 2
0%100%
Figure 3
Notes:
The Sirius S50 must be in a vehicle dock for the auto dimming feature to function.
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