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The attempt of a Micsig (A/S)TO11xx general purpose thread ... :-)

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rvalente:
I guess a few a us have bought a computer/camera/test equipment and after a few years you jus can not find the battery or the price is prohibitive.

So I'd like to better understand the scope behavior without battery and also, how good is the FFT

Fungus:

--- Quote from: rvalente on November 16, 2021, 12:55:55 pm ---So I'd like to better understand the scope behavior without battery

--- End quote ---

Like I sad. Batteries are optional, you can use it perfectly without one.

If you're not using the battery very often you can charge it to 50% and store it. It will last for ages like that.


Pfriemler:

--- Quote from: Fungus on November 16, 2021, 02:15:55 pm ---If you're not using the battery very often you can charge it to 50% and store it. It will last for ages like that.

--- End quote ---
If there's any kind of battery management system inside (like all old-fashioned notebook batterys), consider a charge up to 70 or 80% (but not more!) an check the battery's level once a year, recharge if <20%. Never store a 100% charged battery for a long time.
Fun fact: DJI's copter batterys do discharge themselves down to 80% after some days (adjustable, but max 10) to prevent damages caused by fully charged storage...

MustardMan:
I've been using an STO1104 on a daily basis for many months. I use it in almost all situations in preference to a *significantly* more expensive Tektronix scope (in fact I only use the Tek if I need its higher bandwidth).

I've found it mostly intuitive to use, but some things catch me out repeatedly, and there are some things it doesn't do but should. All of these are firmware related:

1) Operating the cursor knobs but having to push "shift" (or note that "shift" is active) is a REAL pain. If the cursors are active, the default (non-shifted) knob operation should be to move the cursors! At present the functionality seems reversed between 'shift' and 'non-shift'. In fact the default knob actions for "X" is to select the active wave (not really a common thing to do, and I do that be pressing the channel buttons anyway), and for "Y" it is nothing!

2) The measurement calculations for "CRMS" and "Cmean" calculate for the first cycle of a repetitive waveform. It would be far more useful if "CRMS" and "Cmean" referred to the cursors, so I could measure the part of a complex waveform I was interested in, excluding the rest. I've attached a screenshot - note the "Cmean" shows blank as there is not a full waveform on screen (the duty cycle of the waveform shown is about 0.2%, so zooming the whole wave destroys any visibility of what I'm interested in, and calculating the mean of the full waveform is not what I want anyway).

3) It would be useful to be able to 'rename' the channels. For example, instead of "1" and "2", be able to enter some text such as "TX" or "Vgs" instead.

4) The measurement text always appears at a fixed location on the screen. Mostly the location is fine, but sometimes it would be great if I could touch at that location and drag the text block to somewhere more convenient.

Overall I find the scope very easy to use and love how I can use the knobs/buttons or touch-screen to do things!

Cheers, MM.

Pfriemler:

--- Quote from: MustardMan on December 18, 2021, 08:45:15 pm ---1) Operating the cursor knobs but having to push "shift" (or note that "shift" is active) is a REAL pain. If the cursors are active, the default (non-shifted) knob operation should be to move the cursors! ...

--- End quote ---

That's on my wish list, too. In addition: many other knob operations switch SHIFT off and it has to be reactivated to move the cursors.

@MicSig: There are many useful suggestions in this thread.
Why are still none of them implemented in a functional upgrade?

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