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5. Disconnect the DVM from Aux Out 1. Connect
Aux Out 1 to Aux In 1 on the rear panel.
6. Press [TRACE/SCAN]
Press the second softkey, next to the trace
definition, to highlight the X.
Use the knob to change the A parameter from
X to AI1.
Press [AUTO SCALE]
7. Press <Scan Length>
Press [1] [0] [0] [ENTER]
8. Press [AUX OUTPUTS]
Press <Fixed / Log / Linear> twice to select
Linear.
Press <Start>
Press [1] [ENTER]
Press <Stop>
Press [5] [ENTER]
9. Press [START/CONT]
The A1 monitor should now display -5 V. The mon-
itor display shows all 4 Aux Inputs. To display and
save the Aux Input values, a trace needs to be
defined to measure an Aux Input.
Display the Trace and Scan menu.
Trace 1 is defined as X. Let's change it to Aux
Input 1.
The Aux Inputs are abbreviated AI1, AI2, AI3 and
AI4. Trace 1 is now defined as AI1. The top graph
shows trace 1 and should display -5.0 V.
The traces can measure Aux Inputs directly. In
addition, these inputs can be used to multiply or
divide other quantities (such as X, Y or R) for ratio
normalization or gain modulation.
Auto Scale the top bar graph.
Now let's setup a voltage sweep on Aux Output 1.
Highlight the scan length.
Set the scan time to 100 seconds. The sample
rate is 1 Hz so the scan is 100 samples long.
Display the Aux Output menu again.
Choose a linear sweep for Aux Output 1. Each
Aux Output may be swept in voltage in either log
or linear fashion.
Highlight the start voltage.
Enter 1 V for the start voltage. The Aux 1 output
changes to 1 V since data acquisition is stopped
right now. All swept parameters return to their start
values when a scan is stopped.
Highlight the stop voltage.
Enter 5 V for the stop voltage.
The offset voltage is used to offset the sweep with-
out changing the start and stop. For log (exponen-
tial) sweeps, the offset allows much more flexibility
in defining the range and acceleration of a sweep.
Start the scan. Aux Out 1 will linearly ramp from
Aux Outputs and Inputs