Yokogawa DL7440 - how to move captured trace position in time axis? - Page 1
Forum section: electronics / testgear

author: thrashercharged
author_rank: Newbie
timestamp: March 10, 2017, 06:57:49 am
content: Hello, this is my first post to this forum - I hope someone can help me here! I recently bought a used Yokogawa DL7440 and just spent a few hours trying unsuccessfully to figure it out as its user interface is quite different from the Teks I'm accustomed to using. I've searched the internet for a tutorial (and I do have the actual manual) but I'm striking out.I'm used to having position knobs to move the captured trace around both vertically and horizontally (along the time scale), but this Yokogawa lacks those knobs. I've figured out how to move a trace up and down, it's cumbersome but it works - you press the channel button, press the position softkey, use the arrow buttons under the jog wheel to change the position digit (i.e. the tens, ones, tenths, or hundredth place) and then use the jog wheel to scroll that digit, and the saved trace will move up and down on the screen. Kinda cumbersome compared to a simple dedicated position knob, but it works.My problem is trying to do the same on the time axis, and this is something I frequently do - line up an active edge to a grid line - makes it easier to compare the time difference between 2 signals on different channels. I can't figure out how to do this.There's no position knob for time on this scope. The closest thing is a position knob for the trigger (i.e. you can set it at say, the 10% mark on the screen - or 50% or whatever.) That's all fine and dandy, but my problem is it only sets up the trigger position for capturing the next trace, it doesn't move the captured traces at all.I've figured out how to zoom in on certain parts of the captured trace, but that isn't exactly what I want as it doesn't move the trace(s) so I can line an edge up against a grid line. Plus the zoom is really cumbersome to use. I seem to recall on the Teks (and every other O'scope brand I've used) if I change the time/div on a captured trace, the display would zoom in/out on that captured trace. Very convenient and logical. However, on this Yokogawa, changing that time/div only sets it up for the next data capture, it has no effect at all on the captured trace(s).So - any Yokogawa users out there that can help me? I move my traces up/down left/right all the time so I have a hard time believing that something that rudimentary to using a scope is this hard to do! There must be something easy that I'm overlooking?Tom

author: tautech
author_rank: Super Contributor
timestamp: March 10, 2017, 09:02:08 am
content: Manual, it will start an auto download.https://www.google.co.nz/url?sa=t&rct=j&q=&esrc=s&source=web&cd=5&cad=rja&uact=8&ved=0ahUKEwiPhaTBwsvSAhXEllQKHdHIAEQQFggqMAQ&url=http%3A%2F%2Fwww.koreayokogawa.com%2Fweb%2Finclude%2Fdownload.php%3Fcname%3Dfile1_name%26fname%3Dx%26tb_name%3Ddata02%26down_no%3D11504&usg=AFQjCNGI07ODlfJddVPHVw928xAgotBb-w&bvm=bv.149093890,d.cGw~7 Mb, 499 pagesYou've got some reading to do.Check out : 10.4 Searching Waveforms Using the Search and Zoom Function:Auto scrollAnd welcome to the forum.