Fluke 744 Fluke 744 Users Manual - Page 70

Using Manual Step, Refer to the appropriate Using Source Mode

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744 Users Manual 9. Press the Done softkey. Square root percent of scale remains in effect until you change to another source function or press the Scale softkey and select another scale mode. Stepping and Ramping the Output Value Two features are available for adjusting the value of source functions, except pressure, which requires that you use an external pressure source: • Stepping the output manually with the u and d keys, or in automatic mode. • Ramping the output with optional continuity or V trip detect. Using Manual Step The manual Step feature allows you to select a step size in engineering units (mV, V, mA, °C, etc.) or % of scale. Stepping the output in % of scale is useful for quickly jumping between 0% and 100% (set step size = 100%) or 0-50-100% (set step size = 50%). Stepping works in SOURCE and in MEASURE/SOURCE modes. Proceed as follows to select a step size: 60 1. Refer to the appropriate "Using Source Mode" subheading earlier in this manual (e.g., "Sourcing Electrical Parameters") and connect the calibrator to the circuit to be tested. 2. If necessary, press M for SOURCE mode. 3. Set the calibrator for the desired source value. 4. If you want to step the source value in % of scale, set the % of scale value as described previously under "Sourcing in Percent of Scale." 5. Press the Step softkey. 6. Use the numeric keypad to enter the step size in the units shown on the display. 7. Press the Done softkey. 8. Now you can adjust the output in steps by pressing the u and d keys.

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744
Users Manual
60
9.
Press the
Done
softkey.
Square root percent of scale remains in effect until
you change to another source function or press the
Scale
softkey and select another scale mode.
Stepping and Ramping the Output Value
Two features are available for adjusting the value of
source functions, except pressure, which requires
that you use an external pressure source:
•
Stepping the output manually with the
u
and
d
keys, or in automatic mode.
•
Ramping the output with optional continuity or V
trip detect.
Using Manual Step
The manual
Step
feature allows you to select a step
size in engineering units (mV, V, mA, °C, etc.) or %
of scale. Stepping the output in % of scale is useful
for quickly jumping between 0% and 100% (set step
size = 100%) or 0-50-100% (set step size = 50%).
Stepping works in SOURCE and in
MEASURE/SOURCE modes. Proceed as follows to
select a step size:
1.
Refer to the appropriate “Using Source Mode”
subheading earlier in this manual (e.g.,
“Sourcing Electrical Parameters”) and connect
the calibrator to the circuit to be tested.
2.
If necessary, press
M
for SOURCE mode.
3.
Set the calibrator for the desired source value.
4.
If you want to step the source value in % of
scale, set the % of scale value as described
previously under “Sourcing in Percent of Scale.”
5.
Press the
Step
softkey.
6.
Use the numeric keypad to enter the step size in
the units shown on the display.
7.
Press the
Done
softkey.
8.
Now you can adjust the output in steps by
pressing the
u
and
d
keys.