Anritsu S412E Maintenance Manual page 93

Chapter 8 — Troubleshooting
Option 31, GPS Problems
Unable to acquire GPS fix
1. Verify that the GPS Antenna is in direct line-of-sight relationship or is placed outside without any
obstructions.
2. If the Anritsu 2000-1528-R GPS Antenna is used, attached the antenna to a large magnetic metal surface
such as the roof on a passenger car.
3. Inspect GPS connector for damage.
4. GPS Receiver Module may have failed. Replace GPS Receiver Module.
Other Issues
1. Perform a Master Reset. This is performed by holding down the System (8) key while pressing the On/Off
key to power on the unit. Note: A Master Reset will delete all user files.
2. Refer to the User Guide and Measurement Guide.
3. Update firmware.
4. Replace the failed parts or assemblies (e.g. LCD touchscreen, keypad, and etc.)
S412E MM PN: 10580-00324 Rev. N
8-3 Operating Problems
8-3