User`s guide

1. Connect a signal to the spectrum analyzer INPUT 50%
2. Press Cm) and enter the frequency of your input signal to place the signal at the
spectrum-analyzer center frequency.
3. Press C-J and adjust the reference level to bring the signal near the top of the
display.
4. Press [MEAS/USER) and Power Menu to access the power measurement functions. Press
Setup and CHANNEL SPACING to enter the value for the channel spacing. The span is
automatically set to be three times the channel spacing value. The center frequency step
size is automatically set to be equal to the channel spacing. Press Previous Menu to return
to the main power menu.
5. Press OCCUPIED BANDWDTH
to activate the function.
b
9FF 3n I) ilBrn
_ LI.l
SMPL
LOG
30
dB/
WA SB
SC FS
CORR
PI
-ev,nu5
I 1 1 MC””
CEFITER 825 031)oo MHL SPAN 90 on kHL
WRES BW 1 I) kHL X”BW 10 kHZ
SWP 300 11,sec
SINGLE
M-2
CONT
MEA5
CbNTER
FRED
occ BW
z POWER
SetlJp
Figure 4-37. Occupied Bandwidth
6. If you want to change the percent power value press the OCC BW % POWER key and use the
knob or the data entry keys to change the calculated percent power.
Press Previous Menu . Press MEAS OFF to turn the measurement off and exit the power
menu, or press another measurement key to stop the current measurement and start a new
measurement.
Note
If the power menus have been exited without turning the power measurement
off (by pressing another front panel key), press the ljMEAS/USER) key twice to
return to the last power menu used.
4-44 Making Measurements