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Troubleshooting
INSPECT THE REAR PANEL FEATURE
INSPECT THE REAR PANEL FEATURE
If the 4294A is operating unexpectedly after these checks are verified, continue with
Digital Control Troubleshooting chapter.
Check the GPIB Interface
If the unexpected operations appear when controlling the analyzer with an external
controller, perform the following checks to verify the problem is not with the controller.
• GPIB interface hardware must be installed in the controller; see the manuals of the
controller and the BASIC system.
• I/O and GPIB binaries loaded; see the manuals of the BASIC system.
• Select code; see the manuals of the BASIC system.
• GPIB cables; see the manuals of the BASIC system.
• Programming syntax; see the manuals of the BASIC system.
Check the Parallel Interface
See the Print the measurement result and internal data using a printer section at the
Chapter 8, Analysis and Processing of Result, of the 4294A Operation Manual, and make a
hardcopy of the display.
Check the mini DIN Keyboard Connector
See the Connecting the Supplied Keyboard at the Chapter 1, Installation, of the 4294A
Operation Manual.
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