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Chapter 17 Using Power Meter
b
Select the span option, from the following choices:
–
–
NOTE
The Zero Span option is available only in the Spectrum mode. If you have selected Zero
Span, select TRIGGER > Free Run, External, GPS, Video, or Display Position.
Optional. To define the amount of frequency increment for the rotary knob:
1
Press the Frequency Step soft key, if the Freq is selected.
2
Enter a value by using the numeric keys.
3
Press the unit: GHz, MHz, kHz, or Hz.
Optional. To define the amount of channel increment for the rotary knob:
1
Press the Channel Step soft key, if the Channel is selected.
2
Enter a value by using the numeric keys.
3
Press the Enter soft key.
Setting amplitude
Procedure
1
Press the AMP/SCALE hard key.
2
Toggle the Display soft key and select the display method: Relative or Absolute.
3
If the Relative is selected, press the Set Reference soft key to set the current value as the
reference.
4
To specify the display range, complete the following steps:
a
Press the Display Maximum soft key to set the maximum value for the power meter.
b
Enter a value by using the numeric keys. You can also use the rotary knob.
c
Press the dBm soft key.
d
Press the Display Minimum soft key to set the minimum value for the power meter.
e
Enter a value by using the numeric keys. You can also use the rotary knob.
f
Press the dBm soft key.
5
Optional. To enable the external offset, complete the following steps:
a
Toggle the External Offset soft key and select On.
b
Enter a value between 0 and 60 by using the numeric keys.
c
Press the dB soft key.
Setting sweep mode
The default setting of the sweep mode is Continue. If you want to hold the measurement, you can
change the sweep mode.
Procedure
1
Press the SWEEP hot key.
2
To select the single sweep mode, toggle the Sweep Mode soft key and select Single. You can
also use the HOLD hot key.
The letter
3
To return to the continuous sweep mode, toggle the Sweep Mode soft key and select Continue.
You can also use the HOLD hot key.
The letter
510
To set the span manually, select Span, enter a value, and then select the unit.
To set the span automatically, select Full Span, Zero Span, or Last Span as needed.
HOLD
in red appears and the sweeping is paused.
HOLD
in red disappears and the sweeping resumes.
JD700B Series User's Guide
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