7.2 Operation checks
7-4 WF1945B
z Backup function
Switch off the power, wait at least 5 seconds, then switch the power on.
Confirm the settings for the following items prior to switching off the power have been correctly
saved.
・Frequency
・Amplitude
・DC offset
・Waveform
・Duty
If stored at room temperature, the backup period is typically 3 years, but may vary among
individual units and usage conditions.
To prevent any loss of setting information resulting from a depleted battery, regular battery
replacement is recommended.
z GPIB/USB
Conduct some of the main function checks via GPIB/USB and confirm the same output variations.
Also note that the remote (REM) indicator lights.
Press the LOCAL key and confirm the remote indicator extinguishes and the local mode is
returned (not local lock out).
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