To Check The Mouse; To Check The Video Output; To Check The External Trigger Input - Keysight Technologies E5072A Troubleshooting Manual

Troubleshooting
Function Specific Troubleshooting
Step 4. Press
the menu bar moves up and down. If it doesn't work, the external keyboard or
the A50 CPU Module may be faulty.

To Check the Mouse

Procedure
Step 1. Connect the mouse to the E5072A rear panel USB port.
Step 2. Turn the instrument on.
Step 3. Move the mouse and verify that the mouse pointer move smoothly. If it
doesn't move smoothly, check first whether a foreign substance (dust, lint,
etc.) is in the track ball hole of the mouse or not.
Step 4. Verify that the mouse buttons work normally. If any button doesn't work or
the mouse pointer doesn't move, a failure in the mouse or the A50 CPU
Module is suspected.

To Check the Video output

Procedure
Step 1. Connect an external VGA color monitor to the Video output port on the
E5072A rear panel.
Step 2. Turn the external monitor on.
Step 3. Verify that the monitor screen view is the same as the display on the LCD. If
the monitor screen view is abnormal, a failure seems in the CPU module.

To Check the External Trigger Input

Procedure
Step 1. Press
Step 2. Press
Step 3. Click Trigger Source and, then, External in the menu bar to set the trigger
mode to "External".
Step 4. Connect a BNC Short or 50  termination to the Ext Trig connector on the
rear panel and disconnect it. Thereby a measurement trigger should be
generated and a measurement result (trace) should be refreshed.
Step 5. If no trigger occurs, a failure in the DSP board is suspected.
Keysight E5072A Network Analyzer
and keys on the external keyboard, and verify that the cursor on
key to initialize the E5072A.
key.
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