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Yes, I have a Racal Dana 1998 with higher resolution, high stability option and GPSDO. I would not bother with messing with option 1E (even if it seems easy to do) if it was just for 8 digit

That’s awesome, Craig! Greatly appreciated. I was thinking it was U2550 on schematic <1>, like a dope. I’ll run through it later tonight. Thx, Ron

I'd like to see more discussion about using a Pi, to program the FRAM. The logic levels... AFAIK.. are compatible. Could do it in Python. Why not? -- Roy Thistle

Ron, I have added pictures to photo area albums. Review this album. /g/TekScopes/album?id=301356 Craig

Hi Giueppe, My comments are below. I agree, WR probe may not be useful especially if you have a LA. With WR option back case have a BNC for trigger output. It is possible to re-wire it for 10MHz

Thanks Ozan, area looks different. So it was indeed a 2465 manual, just not the "B variant". That explains why I was never able to find such a panel on a 2465B on the internet. Yes I

Forgot to mention my scope is above 50K SN. Here are the links I have on file: Hope they still work, Mouser's AI is once again blocking me on this browser for being "outdated" and probably not being

pac1085, I copied the original 1991 SRAM data to buffer, then put it on the new SRAM. That generated the 04 Fail. I then put the 1991 SRAM back in the A5, it also failed. The data had been changed

Options manual at https://w140.com/tekwiki/images/f/f9/070-6861-01.pdf and my 2465B with option 9 (CTT/WR) shows "A/B TRIG" That picture doesn't look like a 2465B. Timebase knob and trigger area

To second that I can add the fact that any crt TV will behave like this: EHT too low will produce "picture too big" whereas EHT loo high will show a reduced picture size. Was very common to deal with

Thank you -I obviously had an early download. This versn is much more helpful, especially as it shows how to put the bits back together (all those screws !!) Thanks again. Tim [email protected]>

I guess a simple explanation would be that the higher the accelerating voltage is, the faster the electrons go from the gun to the screen, and spend less time passing the deflection plates, therefore

<Space> John

Ron, Well I have used my GQ4x4 for many years and it works fine for me. But you shouldn't have to keep heating your solder joints if you had quick solder flow on each pin. Seems strange that the

I remember frying some diodes during lunch on a brand new 575 in a class. Teacher walked by and said what are you doing? I and classmate said burning up some diodes. Good, good, he said, knowing we

Not sure what you mean regarding the accessory boards/widgets. This is the exact package I bought: https://amzn.to/3DBlYq9 I bought the one with the extras since I wanted them for other things in the

Well... Not a cleaning problem. Actually a broken actuator inside the "CH1V" switch section, it was the internal actuator position that was unreliable, not intermittent contacts. So, it will be

Hi Sigur?ur, Yes, but according to the manual,should have a different designation, not "A/B TRIG" but "A/B MENU", also B TRIG options seems different. It is almost impossible to tell if there is a

Hi again. To finish off this thread. For whatever reason, the 'spare' CRT damaged the video board, revealing that the CRT is dead and may well have been why the 2nd 492 had been stripped down

Craig, no joy with the EXER 03 sequence, tried it a couple times. Same error - 04 Fail. I did notice when I clear by pressing A/B TRIG, I get 4 CRT lines and gibberish on the bottom of the