GW Instek GPT-9900 series User Manual - Manual (Page 111)

EXTERNAL CONTROL
111
Using the Interlock Key
Background When the INTERLOCK function is set to ON,
tests are only allowed to start when both
Interlock pins on the signal I/O port are
shorted. Using the Interlock key will short the
INTERLOCK1 and INTERLOCK2 pins on the
signal I/O port.
See page 108 for the Signal I/O pin assignment.
Panel operation 1. Insert the Interlock
key into the SIGNAL
I/O port on the rear
panel.
2. Set the INTERLOCK option to ON
in the Common Utility.
Page 102
Note
With INTERLOCK set to ON, the tester can now
only start a test when the Interlock key is
connected. Do not remove the interlock after
starting a test. It must be connected after a test
has started or is running.
Set INTERLOCK to OFF to disable this feature.