Products > Test Equipment
Oscilloscope Zoom Out Quirk
Elasia:
--- Quote from: nctnico on June 15, 2020, 10:12:19 am ---Please read all of my posts on this topic. I have explained very clearly why and how zoom mode is NOT the solution. And if you think carefully about it then you'll also see that by using zoom mode to force the memory length you sacrifice the zoom function (delayed / dual timebase) as well. Also, don't get stuck in old grudges and be blinded by them (same problem Tautech has). Currently Siglent is missing a memory management feature which is easy to add and it seems they are working on it right now.
--- End quote ---
I know you keep saying it but what we are talking about doesnt even modify siglents UI zoom mode as it is.. im lost why you keep saying zoom is sacrificed?
I'm now using zoom mode as is and it works fine to zoom out and see more data on screen, i mean thats kind of its job right? What do you think zoom mode is suppose to be? I'm a bit lost on that as well
What we have been talking about is using the zoom functions core code to be cloned and wired up to an enhanced UI with just a couple of menu bar selections to pick your higher timebase/memdepth from a list of timebases they can support and already do because they are defined for the zoom module to already use
Now for what this is NOT.. its not just magically adding more memspace to the current timebase they quite possibly cant support for xyz design reasons and is the part they are debating how to do still.. and might take them awhile to figure out as that really would be a major memory reallocation against their code base
nctnico:
--- Quote from: Gandalf_Sr on June 15, 2020, 11:06:17 am ---
--- Quote from: nctnico ---Also, don't get stuck in old grudges and be blinded by them (same problem Tautech has).
--- End quote ---
Pot calls kettle black.
--- End quote ---
Nope. One of my customers bought some Siglent equipment because I suggested it. Including equipment needed for a very critical demonstration for the US government. In the end grudges and principles are just a waste of energy and money.
nctnico:
--- Quote from: Elasia on June 15, 2020, 12:27:46 pm ---
--- Quote from: nctnico on June 15, 2020, 10:12:19 am ---Please read all of my posts on this topic. I have explained very clearly why and how zoom mode is NOT the solution. And if you think carefully about it then you'll also see that by using zoom mode to force the memory length you sacrifice the zoom function (delayed / dual timebase) as well. Also, don't get stuck in old grudges and be blinded by them (same problem Tautech has). Currently Siglent is missing a memory management feature which is easy to add and it seems they are working on it right now.
--- End quote ---
I know you keep saying it but what we are talking about doesnt even modify siglents UI zoom mode as it is.. im lost why you keep saying zoom is sacrificed?
I'm now using zoom mode as is and it works fine to zoom out and see more data on screen, i mean thats kind of its job right? What do you think zoom mode is suppose to be? I'm a bit lost on that as well
--- End quote ---
In some cases you might want to look at a signal at two positions / different time bases (this is called dual timebase on analog oscilloscopes). With auto memory length the memory depth will be set to the amount needed to fill the screen with the longest time/div setting. However if you want to force the oscilloscope to use more memory you'll need to set the time/div longer. But in that case you likely won't be able to see the details in a signal. So without being able to manually force the memory depth you can use the zoom mode to force deeper memory OR see two parts of a signal at the same time. IOW: With auto memory depth you can't have both deep memory and see two parts of the same signal at the same time.
Fungus:
--- Quote from: nctnico on June 15, 2020, 10:12:19 am ---Currently Siglent is missing a memory management feature which is easy to add and it seems they are working on it right now.
--- End quote ---
The fact that they're "working on it" proves that there's a problem.
Elasia:
--- Quote from: nctnico on June 15, 2020, 12:38:38 pm ---
--- Quote from: Elasia on June 15, 2020, 12:27:46 pm ---
--- Quote from: nctnico on June 15, 2020, 10:12:19 am ---Please read all of my posts on this topic. I have explained very clearly why and how zoom mode is NOT the solution. And if you think carefully about it then you'll also see that by using zoom mode to force the memory length you sacrifice the zoom function (delayed / dual timebase) as well. Also, don't get stuck in old grudges and be blinded by them (same problem Tautech has). Currently Siglent is missing a memory management feature which is easy to add and it seems they are working on it right now.
--- End quote ---
I know you keep saying it but what we are talking about doesnt even modify siglents UI zoom mode as it is.. im lost why you keep saying zoom is sacrificed?
I'm now using zoom mode as is and it works fine to zoom out and see more data on screen, i mean thats kind of its job right? What do you think zoom mode is suppose to be? I'm a bit lost on that as well
--- End quote ---
In some cases you might want to look at a signal at two positions / different time bases (this is called dual timebase on analog oscilloscopes). With auto memory length the memory depth will be set to the amount needed to fill the screen with the longest time/div setting. However if you want to force the oscilloscope to use more memory you'll need to set the time/div longer. But in that case you likely won't be able to see the details in a signal. So without being able to manually force the memory depth you can use the zoom mode to force deeper memory OR see two parts of a signal at the same time. IOW: With auto memory depth you can't have both deep memory and see two parts of the same signal at the same time.
--- End quote ---
Oh you mean split screen? Yeah they dont really do a good job of that either.. you just get the smaller horizonal box at the top you cant vertically resize to choose how much each pane is using
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