Tektronix Multipaq VX4101A Reference page 3

Refer to sections in the VX4101A Multipaq
Manual for more information.
Setup
Be sure all switches are correctly set (see the Controls and Indicators
section). Follow Installation guidelines (see the Installation section).
The default condition of the VX4101A Module after the completion
of the power-on self test is listed in full under the *RST command in
the IEEE 488.2 Common Commands section.
LEDs
The VX4101A has four LEDs visible on its front panel. These LEDs
are labeled as follows:
Power
Fail LED
Message
ERR
VX4101A Multipaq
This LED is On if all six fuses for the six power buses are intact.
Any single fuse being blown results in the LED turning OFF.
This LED is normally OFF. During power-on or reset self-test,
the LED will be ON for the duration of the test. If the VX4101A
detects a failure during normal operation, the LED will come
ON and the SYSFAIL line on the backplane will be true.
This LED flickers ON when the VX4101A is being addressed
on the VME backplane by its commander
This LED is normally OFF. However, it may blink on and off to
indicate error conditions. The most common reason is a
command syntax error has been detected. Other error
conditions that will cause the LED to blink are discussed
elsewhere in this manual. Sending the "SYSTem:ERRor?"
query to the instrument will return the cause of the error. When
all errors in the queue have been retrieved, the error LED will
return to the OFF state
Instrument Reference
Instrument User
1