Fluke 9640A Series, Instruction Manual

Page: 90 / 324

9640A
Instruction Manual
3-42
Applying an Offset to a Leveled-Sine Output Signal
While performing calibration and adjustment procedures on a UUT, it is often beneficial
to offset the Instrument output level by the amount required to bring a UUT measurement
into compliance. See the Offset (As Error) Soft Key discussion earlier in this chapter.
Frequency Offset
Use the following procedure to apply an offset to the frequency of a leveled-sine output
signal:
1.
Create a leveled-sine output signal as described in the previous procedure.
2. Select the
Frequency
field.
3. Press the
Frequency Offset
soft key. A vertical
Offset
label appears on the right of
the screen.
4. Select the
Freq Offset
field.
5. Enter the desired offset value. Notice that the value in the
Frequency
field follows
the offset value.
6. To toggle the offset value off and on, use the
Toggle Offset
soft key at the bottom of
the screen.
7. To disable the offset, use the
Offset Disable
soft key at the bottom of the screen.
Level Offset
Use the following procedure to apply an offset to the level of a leveled-sine output signal:
1.
Create a leveled-sine output signal as described earlier in this chapter.
2. Select the
Level
field.
3. Press the
Level Offset
soft key. A vertical
Offset
label appears on the right of the
screen.
4. Select the
Level Offset
field.
5. Enter the desired offset value. Notice that the value in the
Level
field follows the
offset value.
6. To toggle the offset value off and on, use the
Toggle Offset
soft key at the bottom of
the screen.
7. To disable the offset, use the
Offset Disable
soft key at the bottom of the screen.