Testing the Car Battery Adapter (8551)

1.  Unplug the car battery adapter from the computer if connected.
2.  Plug the car battery adapter into the cigarette lighter socket.

   NOTE:   If the adapter is already plugged in, be sure to  unplug the adapter from the cigarette lighter socket,  then plug it into the socket again.

3.  Measure the output voltage of the car battery adapter.

    
   

   Pin	Voltage (Vdc)
   1	+.19.0 to +.21.0
   2	Ground

    

4.  If the voltage is correct and the power-on indicator on the car  battery adapter is on steady, the car battery adapter is working  correctly.
5.  If the voltage is out of range, do one of the following.
   •  Try the above test procedures in another car if available.
   •  Replace the car battery adapter if the computer works with the AC  adapter and does not work with the car battery adapter.

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