JD780A Series Analyzers
Using Spectrum Analyzer
81
feature to adjust the interval gain of the demodulator.
8.
Optional
. You can use the Save On Event soft key to let the instrument automatically save
measurement screen or result that falls outside the defined limit settings or the Fail indicator is
on. You can also set to save the first event and hold the measurement or to save all the events
continuously. See
“Using save” on page 31 for more information.
Setting limit
You can show or hide the display line on the screen that is used as a visual reference only.
Procedure
To view the display line:
1.
Press the
LIMIT
hot key.
2.
Press the
Display Line
soft key.
3.
Enter a value, and then press the
dBm
unit soft key.
4.
Toggle the
Display Line
On/Off
soft key and select
On
.
The straight line appears on the screen.
To dismiss the display line:
1.
Press the
LIMIT
hot key.
2.
Toggle the
Display Line
On/Off
soft key and select
Off.
You can use the multiple segment limit line to set up different limits for different frequency ranges for
Pass/Fail indication.
Procedure
To display the multiple segment line:
1.
Press the
LIMIT
hot key.
2.
Press the
Multi Segment Line
soft key.
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.
a.
Press the
# of Line
soft key.
b.
Enter a value between 1 and 50 by using the numeric keys.
c.
Press the
Enter
soft key.
5.
Press the
Autoset
soft key to let the instrument set the limit for each segment and display the
line.
6.
Optional
. To move the limit line, complete the following steps:
a.
Select
Limit Up/Down
or
Limit Left/Right
.
b.
Turn the rotary knob to move the line as desired. You can also manually enter a value.
7.
Optional
. To edit the segment properties, complete the following steps:
a.
Press the
Edit Limit
soft key.
b.
Press the
Move
soft key and then turn the rotary knob to select the segment to edit.
c.
Select the menu option, from the following choices:
–
To hide the line for the selected segment, toggle the
Line
soft key and select
Off
.
Summary of Contents for CellAdvisor JD780A Series
Page 52: ...JD780A Series Analyzers 52 Getting Started Figure 6 Example of Web remote on Chrome...
Page 254: ...JD780A Series Analyzers 254 Using LTE FDD Signal Analyzer 3 RS SINR 4 S SS RSSI 5 P SS Power...
Page 323: ...JD780A Series Analyzers Using LTE TDD Signal Analyzer 323 3 RS SINR 4 S SS RSSI 5 P SS Power...
Page 390: ...JD780A Series Analyzers 390 Using EV DO Signal Analyzer 3 Pilot 4 MAC 64 5 MAC 128...
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Page 590: ...JD780A Series Analyzers 590 Appendix Figure 306 Append keywords window...
