GW Instek GSP-827 User Manual - Manual (Page 33)

2.7GHz Spectrum Analyzer Operation Manual
⎯ ⎯
32
Center Frequency
UP/ DOWN: To change frequency for one step size which is defined in Step function.
Scroll: To change the Center frequency 1/500 span for every movement.
For example, center frequency is 100MHz, span is 10MHz. Every movement of scroll key
will change 20kHz. Clockwise rotation increases the setting and counterclockwise rotation
decreases the setting.
Editing: Directly specify the center frequency. The back space key BK SP can erase the last
number.
Note: Refer to Span function to see the operation.
Frequency
Center
0
1 2 3
7
6 5 4
8 9
. -
GHz
dBm
MHz
dBmV
kHz
dBuV
BK SP
1
Start:99.5MHz
RBW:30 kHz
Stop:100.5MHz
VBW:100 kHz
Center:100.0MHz
Span:1.0MHz
Sweep:100.0ms
Center:100.0MHz
Center
Peak-
>Cente
Ref Lvl: -30.0 dBm
-30.0
-40.0
-50.0
-60.0
-70.0
-80.0
-90.0
-110.0
-100.0
SAT JAN 28, 2003 14:30:25
INT:REF
AMPL CAL
Start
Stop
Step