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Test the − User threshold
1 Move the cursor to the field to the right of Pod 1. Type –6.00, then use the left and
right cursor control keys to highlight V. Press the Select key.
2
On the function generator front panel, enter −5.718 V ±1 mV DC offset. Use the
multimeter to verify the voltage.
The activity indicators for pod 1 should show all data channels and the J-clock channel at a
logic high.
3
Using the Modify down arrow on the function generator, decrease offset voltage in
1-mV increments until all activity indicators for pod 1 show the channels at a logic
low. Record the function generator voltage in the performance test record.
4 Using the Modify up arrow on the function generator, increase offset voltage in
1-mV increments until all activity indicators show the channels at a logic high.
Record the function generator voltage in the performance test record.
Testing Performance
To test the threshold accuracy
3–13