Chapter 4
Using Spectrum Analyzer
JD700B Series User’s Guide
69
Procedure
To set the center frequency and span:
1
Press the
FREQ/DIST
hard key.
2
Toggle the
Unit
soft key to
Freq
.
3
Press the
Center Frequency
soft key.
4
Enter a value by using the numeric keys, the rotary knob, or the arrow keys.
5
Select the unit:
GHz
,
MHz
,
kHz
, or
Hz
.
6
Press the
Span
soft key, and then do one of the following:
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.
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
.
To set the start and stop frequencies:
1
Press the
FREQ/DIST
hard key.
2
Toggle the
Unit
soft key to
Freq
.
3
Press the
Start Frequency
soft key.
4
Enter a value by using the numeric keys, the rotary knob, or the arrow keys.
5
Select the unit:
GHz
,
MHz
,
kHz
, or
Hz
.
6
Press the
Stop Frequency
soft key.
7
Enter a value by using the numeric keys, the rotary knob, or the arrow keys.
8
Select the unit:
GHz
,
MHz
,
kHz
, or
Hz
.
To set the channel number and span:
1
Press the
FREQ/DIST
hard key.
2
Toggle the
Unit
soft key to
Channel
.
3
To select the standard channel, complete the following steps:
Press the
Channel Std
soft key. The standard channel window appears.
See “Appendix C – Band, frequency & channel standard” on page 780 for more information.
Highlight the band to be measured by using the rotary knob, the arrow keys, or the
Page Up/Page Down
soft keys.
Press the
Select
soft key or the rotary knob to confirm the selection.
4
Toggle the
Link
soft key between
Fwd
(forward) or
Rev
(reverse) to select the sweep direction.
5
To set the channel number, complete the following steps:
Press the
Channel Number
soft key.
Enter a value by using the numeric keys.
Press the
Enter
soft key or
ENTER
hard key to complete the entry.
The instrument automatically displays the corresponding center frequency value for the
selected channel number.
6
To set the span, complete the following steps:
Press the
Span
soft key.
Select the span option, from the following choices:
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.
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
.
Содержание CellAdvisor JD700B Series
Страница 2: ...CellAdvisorTM JD700B Series FW3 120 User s Guide ...
Страница 105: ...Chapter 4 Using Spectrum Analyzer 104 JD700B Series User s Guide Figure 44 PIM detection for multiple carriers ...
Страница 406: ...Chapter 11 Using EV DO Signal Analyzer JD700B Series User s Guide 405 3 Pilot 4 MAC 64 5 MAC 128 ...
Страница 734: ...Chapter 18 Perfroming BBU Emulation JD700B Series User s Guide 733 Figure 441 Example of verification of link status ...
Страница 763: ...Chapter 21 Performing Fiber Inspection 762 JD700B Series User s Guide Figure 461 Fiber inspection report ...
Страница 808: ...Appendix JD700B Series User s Guide 807 JD740B series ...
Страница 811: ...Appendix 810 JD700B Series User s Guide Figure 470 Append keywords window ...