Chapter 18 645
Troubleshooting
Basic Signal Generator Operations
Basic Signal Generator Operations
Cannot Turn Off Help Mode
1. Press Utility > Instrument Info/Help Mode
2. Press the
Help Mode Single Cont softkey until Single is highlighted.
The signal generator has two help modes; single and continuous.
When you press
Help in single mode (the factory preset condition), help text is provided for the next key you
press. Pressing another key will exit the help mode and activate the key’s function.
When you press
Help in continuous mode, help text is provided for the next key you press and that key’s
function is also activated (except for
Preset). You will stay in help mode until you press Help again or change
to single mode.
No RF Output
Check the RF ON/OFF annunciator on the display. If it reads RF OFF, press RF On/Off to toggle the RF
output on.
The Power Supply has Shut Down
If the power supply is not working, it requires repair or replacement. There is no user-replaceable power
supply fuse. Refer to the E4428C/38C ESG Signal Generators Service Guide for instructions.
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