Products > Test Equipment
Rigol HDO1000 and HDO4000 12bit oscilloscopes launched in China
thm_w:
--- Quote from: ebastler on January 02, 2024, 08:12:59 pm ---
* Some encoder functions are actually harder to reach now than in the old single-encoder approach. In manual cursor mode, how do I switch to moving both cursors together? Is there really no other option than to open the cursor dialog?!
--- End quote ---
I don't have a problem with this personally. If their buttons support "push and hold" you could suggest that, but the driver may not support it.
If you want to move them both without going into the menu you could:
- Physically turn both the knobs at the same time
- Drag both cursors using two fingers on the touchscreen
ebastler:
--- Quote from: thm_w on January 04, 2024, 01:49:30 am ---
--- Quote from: ebastler on January 02, 2024, 08:12:59 pm ---
* Some encoder functions are actually harder to reach now than in the old single-encoder approach. In manual cursor mode, how do I switch to moving both cursors together? Is there really no other option than to open the cursor dialog?!
--- End quote ---
I don't have a problem with this personally. If their buttons support "push and hold" you could suggest that, but the driver may not support it.
If you want to move them both without going into the menu you could:
- Physically turn both the knobs at the same time
- Drag both cursors using two fingers on the touchscreen
--- End quote ---
Yes, push & hold came to mind as a way to implement this, and some other UI features as well. But it has not really caught on with scopes, it seems. And I doubt that Rigol would want to add more functionality and complexity to the knob-driven part of the UI now, with the focus on touch-screen operation. Also, I think it was TurboTom who mentioned that the front panel is driven by a dedicated processor whose firmware might not be updatable anyway?
When I want to move both cursors in sync, I typically want them to move by exactly the same amount: I have already adjusted their distance, either to a known time or voltage difference or based on a feature of the on-screen signal, and then want to compare some other features of the trace against that reference. So I need a mode where the cursors move exactly in unison, not just a shortcut that is faster than moving them individually. That mode exists, of course, but I find it inconvenient that I have to turn my attention away from the trace, cursors and knobs and call up the cursor dialog.
David Hess:
--- Quote from: ebastler on January 02, 2024, 08:12:59 pm ---When I first saw the dual "FlexKnob" encoders on the various Rigol DHO models, I thought they were a brilliant idea. (Not Rigol's idea, I believe, but first introduced by KeysightTektronix?) With my old scope, far too much encoder-knob-clicking was required to iterate through different knob assignments, e.g, when controlling the cursors. Having two knobs, and having their function dynamically assigned by what you touch in the dialogs, seemed like a great UI feature.
--- End quote ---
Tektronix used dual rotary controls on their 11k series of mainframe oscilloscopes starting in 1986, but the later TDS series of oscilloscopes introduced around 1990 only had one.
It is not as apparent, but even earlier than that Tektronix designed hysteresis into their digital rotary controls so that when you released them or used their pushbutton function, minor unintended rotation would be ignored. They were very aware of human factors engineering.
ebastler:
--- Quote from: David Hess on January 04, 2024, 03:52:22 pm ---Tektronix used dual rotary controls on their 11k series of mainframe oscilloscopes starting in 1986, but the later TDS series of oscilloscopes introduced around 1990 only had one.
--- End quote ---
Thanks -- I had not realized that Tektronix experimented with this concept so early. I was thinking of the current 2/3/4/5/6 series, which all use two dedicated multi-function knobs and were probably what "inspired" Rigol.
ebastler:
This may be old news, but it was a pleasant little surpise to me: The DHO1000 touch interface supports some "swipe" gestures too. Swipe an active channel (or math) indicator downward to disable the channel, or swipe a measurement item to the right to remove it.
Not a huge thing, but it avoids unnecessarily opening a menu and tapping a second time. I could not find it mentioned in the manual. Edit: Oh, it is documented, I just did not get the wording. "You can slide down the channel label to disable the channel." Not in the Touch Gestures section of the manual, but in the Vertical System chapter.
On a loosely related note: If someone has found a shortcut to switch between Auto/Normal/Single triggering without opening the trigger menu, please let me know!
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