External scanning
The example of Figure 3-16 shows the front panel operations to configure an external scan.
The trigger and signal connections were shown previously in “Trigger operations”. Both instru-
ment setups assume factory defaults. Set the Model 2000 for the desired measurement function.
On the Model 7001 Switch System, enter a scan list of channels 1 to 10 on card 1.
Also on the Model 7001, configure the instrument for Trigger Link triggers and one
scan of ten channels.
On the Model 2000 Multimeter, configure an external scan of the first ten channels.
Set the Model 2000 for external triggers by pressing EXT TRIG. The display will be
dashes.
Press STEP or SCAN on the Model 2000. The asterisk and STEP or SCAN annuncia-
tor will light.
Press STEP on the Model 7001 to start channel closures.
After the scan, you can recall ten readings from the Model 2000 buffer.
NOTE When using an external thermocouple scanner card and channel 1 as a reference, the
Model 2000 only recognizes channel 1 when a step or scan is performed. If using a
Model 7001 or 7002 to close channel 1 manually, the Model 2000 will not interpret
that channel as the reference junction without a step or scan operation.
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3-30 Measurement Options
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