Anritsu MS2840A - PREAMP;PREAMP?

Chapter
４
Native Device Message Details
4-188
PREAMP/PREAMP?
Pre Amp
Function
This command sets Pre Amp On/Off.
Command
PREAMP on_off
Query
PREAMP?
Response
on_off
Parameter
on_off
Pre Amp On/Off
ON
On
OFF
Off
Details
[MS269xA]
This command is turned off and thus invalid
when Option 008/108 6 GHz Preamplifer is NOT
installed.
[MS2830A]
This command is turned off and thus invalid
when Option 008/108/068/168 Preamplifer is
NOT installed.
[MS2840A]
This command is turned off and thus invalid
when Option 008/108/068/168/069/169
Preamplifer is NOT installed.
This command is not available when Spurious Emission is set to On and
when Gate View is set to Off.
Example of Use
To set Pre Amp to On.
PREAMP ON
PREAMP?
> ON