Additional information
Trouble shooting
If you run into any problem using the unit, use the following table to troubleshoot the problem. If the problem persists, contact your Sony dealer or local authorized Sony service facility.
A recorded log file is missing.
•You may have used the unit in the locations where the GPS unit cannot track.
Avoid using the unit in the locations such as in tunnels, underground locations or among obstructions such as tall buildings or trees.
The unit cannot receive radio signals from GPS satellites.
•You may be in a location where the radio signals from GPS satellites
cannot be reached.
Avoid using the unit in the locations such as in tunnels, underground GB locations or among obstructions such as tall buildings or trees.
It takes much time to receive radio signals from GPS satellites.
•It may take a long time to track the location depending on the positions of GPS satellites.
For details, refer to “What is GPS?” on page 10.
You press the 
(Power) button, but the unit is not turned on.
•There may be a bad contact between the battery cover and the battery. Open the battery cover and
•You may have used a battery with lower remaining power. Replace the battery with a new one.
•The battery may not be inserted properly.
Insert a battery properly according to the procedures in “Inserting a battery” (page 18).
•You cannot record the GPS log while the GPS unit is connected to the computer. The BATT (battery) lamp will not light even if you press the 
(Power) button.
GB
Additional information 39