INSPECT THE REAR PANEL FEATURE
If the analyzer is operating unexpectedly after these checks are veried, continue with
Digital
Control Troubleshooting
chapter.
Check the HP-IB 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.
HP-IB interface hardware must be installed in the controller, see the manuals of the
controller and the BASIC system.
I/O and HP-IB binaries loaded, see the manuals of the BASIC system.
Select code, see the manuals of the BASIC system.
HP-IB cables, see the manuals of the BASIC system.
Programming syntax, see the manuals of the BASIC system.
Check the Parallel Interface
See the To Print section at the Chapter 8, Analyzing the Measurement Results, of the HP 4395A
User's Guide, and make a hardcopy of the display.
Check the mini DIN Keyboard Connector
See the Connecting a Keyboard at the Chapter 1, Installation Guide
, of the HP 4395A User's
Guide.
Troubleshooting 6-5