Rohde & Schwarz 1157.3458.02, Руководство по эксплуатации, Страница: 22 / 80

Command Description R&S FSH-K1
1157.3564.12 16 E-8
Frequency and Span Settings
Command Parameters Unit Comment
FREQ <numeric value> Hz
FREQOFFS <numeric value> Hz
SPAN <numeric value> Hz
AUTOSPAN 0, 1
CHANNEL <numeric value>
CHTABLE <string>
FREQ (Frequency)
This command sets the center frequency.
The start and stop frequency of the instrument is defined by the current center frequency and span.
Example:
set<cr>
0<cr>
freq,950E6<cr>
‘set center frequency to 950 MHz
0<cr>
‘responds parameter ok
FREQOFFS (Frequency Offset)
This command sets the frequency offset.
The new center frequency is the current frequency plus the frequency offset.
Example:
set<cr>
0<cr>
freqoffs,10E6<cr>
‘set frequency offset to 10 MHz
0<cr>
‘responds parameter ok
SPAN
This command sets the span.
The start and stop frequency of the instrument is defined by the current center frequency and span.
The <numeric value> = 0 is used for Zero Span.
Example:
set<cr>
0<cr>
span,20E6<cr>
‘set span to 20 MHz
0<cr>
‘responds parameter ok