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Author Topic: VM2710A programming  (Read 1832 times)

Offline gywmg51

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VM2710A programming
« on: 03-12-2017 -- 12:01:19 »
do you know vm2710a code CAL:SEC:STAT?.  it is writed in user's manual, cal secure off  code.
but, invalide code. error alram on.
do you know. what should i do?


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Offline Hawaii596

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Re: VM2710A programming
« Reply #1 on: 03-15-2017 -- 17:39:15 »
CAL:SEC:STAT? is a query to tell you if cal mode is locked or unlocked.

This is a complicated procedure. The manual does not give good instructions, and if you are not careful, it is easy to incorrectly adjust the unit.

To unlock the calibration, Press CONFIGURE,  CALIBRATION.
Click the CAL:SEC:STAT to turn it off, then enter password "VM2710" and click OK.

That will unlock the unit for calibration adjustment. And you need to set to appropriate range for each adjustment. After you do the adjustment you want, press CAL:STOR, the click CAL:SEC:STAT from in the calibration screen (not the main operating screen).  Then press INSTRUMENT>RESET.

Again, this is not an intuitive adjustment. Take a lot of notes, and record all coefficient values from the calibration screen (they are different for each range).
"I often say that when you can measure what you are speaking about, and express it in numbers, you know something about it; but when you cannot measure it, when you cannot express it in numbers, your knowledge is of a meagre and unsatisfactory kind."
Lord Kelvin (1824-1907)
from lecture to the Institute of Civil Engineers, 3 May 1883

 

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