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3
Select a file to be loaded, and then press the Load soft key.
The Measure Setup screen menus appear.
4
Toggle the Replay Direction soft key between FWD and REV to change play direction to forward
or reverse.
5
Press the Replay Speed soft key, and then select the speed option: x1, x2, x3, and x4.
6
Press the Play soft key to start playing.
7
Press the Pause soft key to pause or stop playing data.
8
To move to a particular failure position directly and play from there, complete the following steps:
a
Press the Jump to Fail Index soft key.
b
Enter a value by using the numeric keys.
c
Press the Enter soft key.
9
Optional. Toggle the Time Cursor soft key between On and Off to display or dismiss the time
cursor on the screen. This key becomes activated when you play logged data in the Spectrogram
mode.
NOTE
If you connected a USB drive, do not remove it while playing. Doing so may freeze the
USB port, which will require you to restart the instrument to get a USB drive recognized
again.
Setting display
You can select the display option.
Procedure
1
Press the TRACE/DISPLAY hard key.
2
Select the display option: Spectrum, Spectrogram, or RSSI.
NOTE
You can use the LIMIT hot key to analyze your measurements with the display line, multi-
segment line, and channel limit. See "Setting limit for interference analyzer" on page 101
for more information.
Setting limit for interference analyzer
Procedure
To use the display line:
1
Press the LIMIT hot key.
2
Press the Display Line soft key for a reference line.
3
Enter a value, and then press the dBm unit soft key.
4
Toggle the Display Line soft key between On and Off to display and dismiss the reference line.
The straight line appears across the screen to be used as a visual reference only.
To display the multiple segment line:
1
Press the LIMIT hot key.
2
Press the Multi Segment Line soft key for Pass/Fail indication.
3
Toggle the Limit soft key between Upper and Lower to select the one to be displayed.
4
Set the number of segments for the selected upper or lower limit line. You can set up to 50
segments.
JD700B Series User's Guide
Chapter 5 Using Interference Analyzer
101
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