Electronics > Projects, Designs, and Technical Stuff
Advantest R3131: Cannot set marker frq via GPIB/serial?
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Yansi:
Am I dumb or did they really forgot to add a command to set the marker frequency? It is possible to freely move the marker using the front panel, but hell I can't find any command to position the marker using GPIB/serial port.

I see only the MF? which returns the frequency marker is at, but there is none comand I can set it remotly.

Sending MF followed by a frequency does nothing.

Thanks for any hints how to do it.
serg-el:
It depends on what you want to do.
Find the peak? Easily.
Sending a PS command.
Read the frequency of MF? .
We read the level of ML? .


Yansi:
Finding peak is great and what not, but if I want to get the RF level at an exact frequency of interest, that for example, is not a peak? I should then try reading out the whole sample memory?  |O
serg-el:
Easily.
Page 4-34.
To measure the level at a frequency of 30 MHz.
Give the command MK30MZ
Give the command ML? . RTFM  ;)
Yansi:
Ah great.

They forgot to include the "MK" command in Table 4-8. Fuuuuuuuck.

"MK 405.2E6" happily moves the marker to 405.2 MHz.

Thanks for the hint!
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