EXFO T200S, User Manual, Page: 106 / 146

SCPI Command Reference
100
T200S
T200S Specific Commands
[SOURce]:FREQuency[:CW|FIXed]:STEP[:WIDTh]
Description
This command specifies the size of steps used to perform relative
frequency of a non-swept signal.
You can perform relative frequency tuning through the command
[SOURce]:FREQuency[:CW|FIXed]
on page 98 with the
UP/DOWN keywords.
At *RST, this value is set to DEFault.
Syntax
[:SOURce]:FREQuency[:CW|FIXed]:STEP[:WIDTh]<wsp>
<step>[<unit>]|MAXimum|MINimum|DEFault|UP|DOWN
Parameter(s)
³
step
:
Value corresponding to the step in Hertz (if no unit is
specified).
To know the valid frequency range, use the query
[SOURce]:FREQuency[:CW|FIXed]:STEP[:WIDTh]? on
page 101 (MIN and MAX parameters).
³
unit
:
Unit of the frequency step: HZ preceded by a possible
multiplier. Possible multipliers are listed in
Unit Multipliers
on
page 52.
³
MAXimum:
Sets the frequency step to the maximum possible step value.
³
MINimum:
Sets the frequency step to the minimum possible step value.
³
DEFault:
Sets the frequency step to the default step value.
To know the default step, use the query
[SOURce]:FREQuency[:CW|FIXed]:STEP[:WIDTh]?
on
page 101 (DEF parameter).
Example(s)
SOUR:FREQ:CW 197.5 THZ
SOUR:FREQ:CW? returns 1.014
SOUR:FREQ:CW:STEP 0.5 THZ
SOUR:FREQ:CW UP
SOUR:FREQ:CW? returns 1.014
See Also
[SOURce]:FREQuency[:CW|FIXed]
on page 98
[SOURce]:FREQuency[:CW|FIXed]:STEP[:WIDTh]? on page 101
[SOURce]:WAVelength[:CW|FIXed]:STEP[:WIDTh] on page 117