Solving Problems
If You Encounter a Problem
Chapter 4 85
Signal Generator is Locked Up
If your signal generator is locked up, try the following suggestions for resolution:
• Make sure that the signal generator is not in remote mode. (In remote mode, the R
annunciator will be displayed.) Press
Local to exit remote mode and unlock the front panel
keypad.
• Make certain that the signal generator is not in a local lockout condition.
• Check for a progress bar on the signal generator display which indicates that an operation
is in progress.
• Try an instrument preset.
• Try cycling power.
Fail-Safe Recovery Sequence
If none of the previous suggestions resolves the problem, you can try the fail-safe recovery
sequence. This sequence should only be used as a last resort.
This process will reset the signal generator, but the process will destroy the following types of
data:
• all user files (instrument state and data files)
•DCFM/DC
Φ
M calibration data
• the persistent state
Do not attempt to perform any other front panel or remote operations during the fail-safe
sequence.
To run the fail-safe sequence, follow these steps:
1. Hold down the
Preset key while cycling power.
2. Continue to hold down the
Preset key until the following message is displayed:
WARNING! You are entering the diagnostics menu which can cause
unpredictable instrument behavior. Are you sure you want to continue?
CAUTION Carefully read the entire message! It may list additional risks with the
procedure beyond the risks documented here.
3. Release the
Preset key.
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