User manual

RIGOL Chapter 2 Command System
2-142 MSO5000 Programming Guide
[:SOURce[<n>]]:MOD:FM[:DEVIation]
Syntax
[:SOURce[<n>]]:MOD:FM[:DEVIation] <dev>
[:SOURce[<n>]]:MOD:FM[:DEVIation]?
Description
Sets or queries the frequency offset of FM of the specified function/arbitrary waveform
generator channel. By default, the unit is Hz.
Parameter
Name
Type
Range
Default
[<n>]
Discrete
{1|2}
When omitted, by default,
the operations are carried
out on GI.
<dev>
Real
0 Hz to the currently set carrier
frequency
1 kHz
Remarks
 Send the [:SOURce[<n>]]:FREQuency[:FIXed] command to set the carrier
frequency, and send the [:SOURce[<n>]]:MOD:FM:INTernal:FREQuency command
to set the FM frequency.
 When the modulating waveform amplitude reaches the maximum value, the
frequency of the carrier is increased by "frequency offset". When the modulating
waveform amplitude reaches the minimum value, the frequency of the carrier is
decreased by "frequency offset".
 Only when FM is selected for the specified function/arbitrary waveform generator
channel, can the frequency offset of FM be set.
Return
Format
The query returns the frequency offset in scientific notation.
Example
:MOD:FM 100 /*Sets the frequency offset of FM of GI to 100 Hz.*/
:MOD:FM? /*The query returns 1.000000E+2.*/
[:SOURce[<n>]]:SWEep:TYPE
Syntax
[:SOURce[<n>]]:SWEep:TYPE <type>
[:SOURce[<n>]]:SWEep:TYPE?
Description
Sets or queries the sweep type of the specified signal source channel.
Parameter
Name
Type
Range
Default
[<n>]
Discrete
{1|2}
When omitted, by default,
the operations are carried
out on GI.
<type>
Discrete
{LINear|LOG|STEP}
LINear
Remarks
 LINear: the frequency of the signal changes linearly.
 LOG: the frequency of the signal changes in log form.
 STEP: the frequency of the signal changes with ladder-like step.
Return
Format
The query returns LIN, LOG, or STEP.
Example
:SWEep:TYPE LOG /*Sets the sweep type of GI to LOG.*/
:SWEep:TYPE? /*The query returns LOG.*/