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Type this in a command window: reg add HKLM\SYSTEM\WPA\POSReady /v Installed /t REG_DWORD /d 1 /f Then run Windows Update/Microsoft Update as normal.

Someone mentioned still using WinXP and updates to it that are available, even though Microsoft has abandoned it. Where to look?

Thanks Kurt, interesting data! Albert

yes, I too thank you for the heads up, and have ordered the kit. Can you tell me how it does as a ESR meter? "Having sex is like playing bridge. If you don't have a good partner, you'd better have a

Free Tek 585A (s/n 009721) on cart. It was working last time I checked but needs some TLC. It is complete, free to anyone who can pick it up. You must take cart also. I have no time to devote to this

It's important to point out that sampling plug-ins drive the horizontal display of the scope. Make sure it's connected to the scope the right way. There's a free run setting for the trigger. I haven't

Congrats on finding your issue. I guess if panos' 2445 has the same issue, a quick way to diagnose it would be to measure the DLY_REF line resistance ground and the -1.25V "rail". The easiest way to

I see a cable with a toroid on it and the connector is hanging loose. It is near the high voltage lead. I will find out where it goes. Could it be THIS simple?

There was a recent note on a similar failure here <https://groups.yahoo.com/neo/groups/TekScopes/conversations/messages/110470>. A1C712 is a .47uF ceramic, gone leaky here to compromise sweeps.

http://w140.com/allen_bradley_ferrite_1969_ocr.pdf http://w140.com/allen_bradley_ferrite_1974.pdf http://w140.com/allen_bradley_ferrite_brochure.pdf

This sounds awfully similar to the behaviour of the 7S11/7T11 combination when it isn't triggering. It doesn't really semm to have an "Auto" mode, and dives off screen (downwards) if you don't get the

What about a visual inspection? Are you missing parts?

Also, I have a couple of these 1S1's and get the same response from both. So, either they both share the same fault or more likely, I don't know how the heck to run my scope. I suspect the latter. But

Good Morning All, I am trying to restore this 1S1 back to working condition, but I am having difficulty just setting it up in the first place. I am using it in my 556 and having a heck of a time

Insulation resistance should be many megaohms, at DC. The standards generally specify a leakage current at operating voltage and a withstand voltage for the hipot test, rather than an insulation

In Manfred's & Tom's discussion on Testing with Floating 'Scopes, Manfred stated (on Tuesday, 18 November, 2014 at 0718 (PST)): [snip] "I haven't yet given my GFI's any reason to trigger, while

Thanks David, I like the 2khz test I'll try that. Cheers Alan

Thanks for the kit suggestion, I have ordered something similar already But this seems good too. Cheers Alan

Thanks Dan, I may take you up on that if I can't get any sense out of the printouts, but yes its the layouts I need maybe I take a picture of the real thing and expand them. Cheers Alan

I have a real 475A hardcopy manual, if there is anything you'd like a clearer copy of I would be happy to scan and PDF. The layout pictures are pretty bad, even in the original manual. The 475A is a