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Re: tektronics 2465b 400mhz nvram battery info

 

hello
I did not understand this last post
from what I read on internet, if the calibration data were lost, not all tests would pass.
in my instrument all the tests are ok
and work good

thank for collaboration

best regards

mirco
Re: TDS5xx, 6xx, & 7xx Series scope history

 

In 99 .9% of the cases the first serial number
B010101. The last four digits is the sequence number starts at 0101. If
there's a major design change and I mean major sometimes as serial numbers
will jump does something like B50001. But I never saw a standard or a spec
seeing how to do the major jumps most companies like HP would have rolled
it and added like a b or a c to the end of the model number

On Mon, Apr 2, 2018, 8:39 AM EricJ via Groups.Io <wyzkydd2358=
[email protected]> wrote:

Thanks for that, pretty cool. My two 754's were originally delivered to
Texas Instruments and Virginia PolyTech University. The newer one was
delivered in April '99 - it's a B032XXX. So looks like they delivered
about 3,000 units per year at the end.
--Eric
Sent from my Samsung Galaxy S8.
-------- Original message --------From: "David G." <d.garrido@...>
Date: 4/2/18 9:04 AM (GMT-06:00) To: [email protected] Subject:
[TekScopes] TDS5xx, 6xx, & 7xx Series scope history
Hello All,

Today I was doing some research about a TDS754D and found that you could
go to the TEK website and run a search for the model number and serial
number. The info provided will tell you who the scope was originally
shipped to and on which date.

I was just goofing off and I think the last TDS754D scope was serial
number B041827 sold to Rockwell Collins on Dec 31, 2002. There are no
other entries beyond that serial number. So that begs the
question...............could that be the last serial number of this scope
produced and sold to a customer?



Hope this info helps someone.

Cheers,

David
Re: 7B53A broken switch (mixed mode switch)

 

Max I don't know how to contact you one on one but if you need another
7B53A a let me know

On Mon, Apr 2, 2018, 3:55 PM unclebanjoman <mmazza@...> wrote:

I got a 7B53A in decent conditions. It seems in a good working state with
one exception: the (broken) slider that selects "mixed mode" in delayed
sweep, it's actuated by pulling the little red knob coaxial with the
time-base knob.

I've posted three photos showing the case :
/g/TekScopes/album?id=42160

Does anyone know where to find a possible replacement? Discarding the
hypothesis of finding another 7B53A as a donor?
I'm thinking (as an extreme case) to install a miniature lever switch on
the front of the plugin (making an appropriate hole) and wire it to the pcb
pads after removing the old slider piece ...
Any suggestion is welcome.
Max
Re: Desk Top Publishing ...After this lets take this off line

 

Your right Libre Office (LO) is a pretty good tool for this work I just don't do enough to become very proficient in using it.??? LO is similar to MS office.??? I too usually open a new DRAW document for inputting page images from the scanner.

It is also handy for putting larger schematics, that someone scanned to two or three pages, back together.??? Import the images from the .pdf file to LO and paste them into a e.g. 11x17 page. Move the images around until everything lines up as well as possible and save to a new pdf,??? almost magic.

Bob.

On 4/4/2018 8:55 AM, Leslie Austin wrote:
I produce the occasional document which I can then print out, and I use Libre Office. However, I always open in DRAW,??? resize, crop, edit etc, then copy it to Writer. It will normally require re-sizing to correct "print area". Obviously pure text just goes straight into Writer. When completed, I export to PDF.??? It ALWAYS comes out perfectly and prints perfectly. I have an old HP Duplex printer, so that speeds things up.

Sometimes it is more convenient if for example I have scanned an old A5 document, to recreate it as A5. To do this, I scan each half page separately,ready for assembly. If it is say 12 pages, I take three pieces of paper, put them together, fold them over and put staple on the fold,??? giving me a 12 page booklet. I then put an icon on each side to give me the layout of the complete booklet. Remove the staple, and I now have three templates to make it easy and foolproof to make the whole booklet. Some pages need to be "on the wrong side", and half of them "upside down". A confusing job made easy courtesy of Libre Office.

Les.


On 04/04/18 15:18, Robert Hay wrote:


So, for a few pages of reference material what's the best combination of tools.??? I have a portable Brother scanner that works pretty well but every now a then skews the page a bit. And, some pages seem to need to be re-sized to fit 8 1/2 x 11 or a page will get broken into two pages for some reason. Some of this is probably getting enough experience to know how to adjust to what the scanner does.

I have been scanning pages to an image file, opening it with Libre Office and then saving it to a PDF file. If a particular page doesn't look good that page can easily be re-scanned and added into the Libre Office file. But there seem to always be some little hiccup to deal with and troubleshoot. About that time I realize I need to something else, anything else.

Bob.
Re: Your opinion on using other people's work

Chuck Harris
 

I used to love it when a customer would insist that
I use vi at their shop. Since I was paid by the hour,
it would easily add a few thousand bucks to the cost
of the job by slowing me down.

The thing that turned me off vi was the way you had
to flip-flop between modes. I found that through a
typing error, or forgetfulness, I could easily get
into command mode, and completely destroy several
hours of work by touch typing text into the command
mode window.

I have never found it all difficult to find a copy
of jove (a light weight emacs clone) for any system
I have ever worked on... including windows.

-Chuck Harris

Dave Daniel wrote:

Although vi is ancient technology, one can sit down at almost any system running a
UNIX variant and be able to edit files, which is important if one is a sysadmin
working on different systems which have IDEs installed at the whim of the system
owner. vi is, however, a text editor and not a desktop publishing tool.

Several of us old timers ended up using vim ("vi improved") and/or gvim (GUI-based vi
improved). These editors can be set up to have language-based color coding,
cross-file linking and even be used to invoke build (compile/link) scripts an many
other assists.

My primary experience with "desktop publishing" was to create engineering
specifications. After struggling with various people's ideas of what tools should be
mandated over several decades, I finally found myself in a position to "mandate" the
tools myself. I wrote (in a specification :)) that all "released" specs would be in
PDF form, and that an engineer could whatever tool he or she wanted to create the
document from which the PDF was created so long as that tool was available to the
larger engineering community. We ended up mainly using Word or OpenOffice for smaller
specs and Framemaker and Visio for large, multi-chapter specs. This worked out well.

DaveD
Unable to reach your e-mail address

 

Hi Phil,
thank you for your helping to repair my 7B53A's slide switch. I write this private message from within groups.io web interface because when I try to reply directly to your e-mail, it bounced back to me with the justification that my IP address is blacklisted. ?!?!?
I've already alerted your att.net (AT&T) mail server and my ISP.
In the meanwhile thank you for your attention and your help to repair my 7B53A.
Max Mazza (mmazza@...)
P.S. I'm from Italy, near Venice.
Re: Desk Top Publishing ...After this lets take this off line

Chuck Harris
 

If you are Linux savvy, XSane works very well.
It will OCR, and depaper the result if you wish,
though OCR works best with 300-600dpi scans...

You can add the table of contents by using JPDFBookmarks.

-Chuck Harris

Robert Hay wrote:

Dave,

I've been looking for some easy to use scanning tools for small jobs.??? Anything
over 10-12 pages I would probably asked you if you were interested because Artek will
do a beautiful job and I would just get frustrated with the whole process.

For 5-10 pages of something specific to a particular instrument there may be only a
few people interested and not much market for you folks.

So, for a few pages of reference material what's the best combination of tools.??? I
have a portable Brother scanner that works pretty well but every now a then skews the
page a bit.??? And, some pages seem to need to be re-sized to fit 8 1/2 x 11 or a
page will get broken into two pages for some reason.??? Some of this is probably
getting enough experience to know how to adjust to what the scanner does.

I have been scanning pages to an image file, opening it with Libre Office and then
saving it to a PDF file.??? If a particular page doesn't look good that page can
easily be re-scanned and added into the Libre Office file.??? But there seem to
always be some little hiccup to deal with and troubleshoot.??? About that time I
realize I need to something else, anything else.

Bob.
Re: Desk Top Publishing ...After this lets take this off line

 

I produce the occasional document which I can then print out, and I use Libre Office. However, I always open in DRAW,? resize, crop, edit etc, then copy it to Writer. It will normally require re-sizing to correct "print area". Obviously pure text just goes straight into Writer. When completed, I export to PDF.? It ALWAYS comes out perfectly and prints perfectly. I have an old HP Duplex printer, so that speeds things up.

Sometimes it is more convenient if for example I have scanned an old A5 document, to recreate it as A5. To do this, I scan each half page separately,ready for assembly. If it is say 12 pages, I take three pieces of paper, put them together, fold them over and put staple on the fold,? giving me a 12 page booklet. I then put an icon on each side to give me the layout of the complete booklet. Remove the staple, and I now have three templates to make it easy and foolproof to make the whole booklet. Some pages need to be "on the wrong side", and half of them "upside down". A confusing job made easy courtesy of Libre Office.

Les.

On 04/04/18 15:18, Robert Hay wrote:


So, for a few pages of reference material what's the best combination of tools.??? I have a portable Brother scanner that works pretty well but every now a then skews the page a bit.??? And, some pages seem to need to be re-sized to fit 8 1/2 x 11 or a page will get broken into two pages for some reason.??? Some of this is probably getting enough experience to know how to adjust to what the scanner does.

I have been scanning pages to an image file, opening it with Libre Office and then saving it to a PDF file.??? If a particular page doesn't look good that page can easily be re-scanned and added into the Libre Office file.??? But there seem to always be some little hiccup to deal with and troubleshoot.??? About that time I realize I need to something else, anything else.

Bob.
Re: tektronics 2465b 400mhz nvram battery info

Chuck Harris
 

The manual has the entire procedure.

-Chuck Harris

toby@... wrote:

On 2018-04-04 8:31 AM, Chuck Harris wrote:
You all are going to a lot of work to save calibration
data that ceased to be relevant probably more than a
decade ago.

If the scope had something important, like firmware,
stored in the NVRAM I could see spending the effort,
but what you are talking about doing is surprisingly
similar to looking for ways to change a new fender
into a dented and rusted out duplicate of the old
fender on your car... so you can replace the old
fender...
I think this is an excellent point, but are calibration procedures
documented and possible for end users?

--Toby

(I haven't looked into that question yet, but I do own a TDS460A &
others that are pre-digital)


-Chuck Harris

Claimer: I trade in discount calibrations, so my opinions
are clearly biased in favor of doing calibrations...

ADas via Groups.Io wrote:
HI MIcro,
Yes i soldered temporary wires between pin 1 and 2 of cpu. The cpu is 6802 on all the tek 246x oscilloscopes despite the label "sc67127p". Dont be afraid the cpu assisted copy of data is much less likely to go wrong then if you desoldered the old nvram and then tried reading it, which often fails..
Cheers
Das
Re: Desk Top Publishing ...After this lets take this off line

 

On 2018-04-04 10:18 AM, Robert Hay wrote:
Dave,

I've been looking for some easy to use scanning tools for small jobs.???
Anything over 10-12 pages I would probably asked you if you were
interested because Artek will do a beautiful job and I would just get
frustrated with the whole process.

For 5-10 pages of something specific to a particular instrument there
may be only a few people interested and not much market for you folks.

So, for a few pages of reference material what's the best combination of
tools.??? I have a portable Brother scanner that works pretty well but
every now a then skews the page a bit.??? And, some pages seem to need
to be re-sized to fit 8 1/2 x 11 or a page will get broken into two
pages for some reason.??? Some of this is probably getting enough
experience to know how to adjust to what the scanner does.

I have been scanning pages to an image file, opening it with Libre
Office and then saving it to a PDF file.??? If a particular page doesn't
look good that page can easily be re-scanned and added into the Libre
Office file.??? But there seem to always be some little hiccup to deal
with and troubleshoot.??? About that time I realize I need to something
else, anything else.
If you're dealing with page images only, then you can use the free tiff
utilities (tiff2pdf) or Tumble to produce a PDF from a set of TIF
images. No need for LibreOffice etc as intermediary.




Another tool to look into is Scantailor:


(If you're doing more than a small amount of this then I recommend
getting a good ADF scanner (like a used Fujitsu, which is what I have):
Fast, good quality, scans both sides.)

--Toby


Bob.


On 4/3/2018 6:46 PM, Artekmedia wrote:
There are desktop publishers and there are desk top publishers...what
are you mainly planning on doing? More??? clean up scans like the 1S1
or write a book? Is your personal time valuable ( i.e. are you willing
to spend money on software that makes the task easier and faster)

-DC
manuals@...

On 4/3/2018 9:04 PM, snapdiode via Groups.Io wrote:
Well he agreed to attribute it to me. I guess that settles whether it
s my PDF or not.
I'm not looking for money, but I did it with Word. Word!

BTW if anyone can suggest a better tool to "Desktop publish"
(remember when that was the killer app?) I'd love to hear it.
Re: Desk Top Publishing ...After this lets take this off line

 

I have used the version of Paperport that came with one of my scanners, but it won't run on my newer computers. I scanned and OCRed printed material with little troubles.

-----Original Message-----
From: Robert Hay <bobh@...>
Sent: Apr 4, 2018 10:18 AM
To: [email protected]
Subject: Re: [TekScopes]Desk Top Publishing ...After this lets take this off line

Dave,

I've been looking for some easy to use scanning tools for small jobs.???
Anything over 10-12 pages I would probably asked you if you were
interested because Artek will do a beautiful job and I would just get
frustrated with the whole process.

For 5-10 pages of something specific to a particular instrument there
may be only a few people interested and not much market for you folks.

So, for a few pages of reference material what's the best combination of
tools.??? I have a portable Brother scanner that works pretty well but
every now a then skews the page a bit.??? And, some pages seem to need to
be re-sized to fit 8 1/2 x 11 or a page will get broken into two pages
for some reason.??? Some of this is probably getting enough experience to
know how to adjust to what the scanner does.

I have been scanning pages to an image file, opening it with Libre
Office and then saving it to a PDF file.??? If a particular page doesn't
look good that page can easily be re-scanned and added into the Libre
Office file.??? But there seem to always be some little hiccup to deal
with and troubleshoot.??? About that time I realize I need to something
else, anything else.

Bob.


On 4/3/2018 6:46 PM, Artekmedia wrote:
There are desktop publishers and there are desk top publishers...what
are you mainly planning on doing? More??? clean up scans like the 1S1 or
write a book? Is your personal time valuable ( i.e. are you willing to
spend money on software that makes the task easier and faster)

-DC
manuals@...

On 4/3/2018 9:04 PM, snapdiode via Groups.Io wrote:
Well he agreed to attribute it to me. I guess that settles whether it
s my PDF or not.
I'm not looking for money, but I did it with Word. Word!

BTW if anyone can suggest a better tool to "Desktop publish"
(remember when that was the killer app?) I'd love to hear it.






Michael A. Terrell
Re: Desk Top Publishing ...After this lets take this off line

 

Bob
Lets take this off group and I will send you a more detailed reply in a private email later today ... at the moment I am baby sitting granite counter-top install guys :-P

-DC
manuals@...

On 4/4/2018 10:18 AM, Robert Hay wrote:
Dave,

I've been looking for some easy to use scanning tools for small jobs.? Anything over 10-12 pages I would probably asked you if you were interested because Artek will do a beautiful job and I would just get frustrated with the whole process.

For 5-10 pages of something specific to a particular instrument there may be only a few people interested and not much market for you folks.

So, for a few pages of reference material what's the best combination of tools.? I have a portable Brother scanner that works pretty well but every now a then skews the page a bit.? And, some pages seem to need to be re-sized to fit 8 1/2 x 11 or a page will get broken into two pages for some reason.? Some of this is probably getting enough experience to know how to adjust to what the scanner does.

I have been scanning pages to an image file, opening it with Libre Office and then saving it to a PDF file.? If a particular page doesn't look good that page can easily be re-scanned and added into the Libre Office file.? But there seem to always be some little hiccup to deal with and troubleshoot.? About that time I realize I need to something else, anything else.

Bob.


On 4/3/2018 6:46 PM, Artekmedia wrote:
There are desktop publishers and there are desk top publishers...what are you mainly planning on doing? More? clean up scans like the 1S1 or write a book? Is your personal time valuable ( i.e. are you willing to spend money on software that makes the task easier and faster)

-DC
manuals@...

On 4/3/2018 9:04 PM, snapdiode via Groups.Io wrote:
Well he agreed to attribute it to me. I guess that settles whether it s my PDF or not.
I'm not looking for money, but I did it with Word. Word!

BTW if anyone can suggest a better tool to "Desktop publish" (remember when that was the killer app?) I'd love to hear it.





--
Dave
Manuals@...
www.ArtekManuals.com
Re: Your opinion on using other people's work

 

Although vi is ancient technology, one can sit down at almost any system running a UNIX variant and be able to edit files, which is important if one is a sysadmin working on different systems which have IDEs installed at the whim of the system owner. vi is, however, a text editor and not a desktop publishing tool.

Several of us old timers ended up using vim ("vi improved") and/or gvim (GUI-based vi improved). These editors can be set up to have language-based color coding, cross-file linking and even be used to invoke build (compile/link) scripts an many other assists.

My primary experience with "desktop publishing" was to create engineering specifications. After struggling with various people's ideas of what tools should be mandated over several decades, I finally found myself in a position to "mandate" the tools myself. I wrote (in a specification :)) that all "released" specs would be in PDF form, and that an engineer could whatever tool he or she wanted to create the document from which the PDF was created so long as that tool was available to the larger engineering community. We ended up mainly using Word or OpenOffice for smaller specs and Framemaker and Visio for large, multi-chapter specs. This worked out well.

DaveD

On 4/4/2018 6:06 AM, Mark Wendt wrote:
On 04/04/2018 02:15 AM, Dave Voorhis wrote:
In the technical and scientific world, there is only one choice: LaTeX.

Everything else is a toy or waaay too much hard work. Creating professional documents with most desktop publishing or word processing software is like building houses from toothpicks and plasticine. LaTeX is like handing a blueprint to professional builders.

Given the way LaTeX works, vi is fine if that's what you prefer, though obviously Emacs is a better choice. :-)

(Of course, LaTeX is available online these days, so no need to install a LaTeX toolchain. See overleaf.com)
Emacs isn't always available you're recovering a machine and it may have partitions not available. Emacs is good for progamming (xemacs is even better), but I still prefer vi for doing system tasks.

Mark
Re: Desk Top Publishing ...After this lets take this off line

 

Dave,

I've been looking for some easy to use scanning tools for small jobs.??? Anything over 10-12 pages I would probably asked you if you were interested because Artek will do a beautiful job and I would just get frustrated with the whole process.

For 5-10 pages of something specific to a particular instrument there may be only a few people interested and not much market for you folks.

So, for a few pages of reference material what's the best combination of tools.??? I have a portable Brother scanner that works pretty well but every now a then skews the page a bit.??? And, some pages seem to need to be re-sized to fit 8 1/2 x 11 or a page will get broken into two pages for some reason.??? Some of this is probably getting enough experience to know how to adjust to what the scanner does.

I have been scanning pages to an image file, opening it with Libre Office and then saving it to a PDF file.??? If a particular page doesn't look good that page can easily be re-scanned and added into the Libre Office file.??? But there seem to always be some little hiccup to deal with and troubleshoot.??? About that time I realize I need to something else, anything else.

Bob.

On 4/3/2018 6:46 PM, Artekmedia wrote:
There are desktop publishers and there are desk top publishers...what are you mainly planning on doing? More??? clean up scans like the 1S1 or write a book? Is your personal time valuable ( i.e. are you willing to spend money on software that makes the task easier and faster)

-DC
manuals@...

On 4/3/2018 9:04 PM, snapdiode via Groups.Io wrote:
Well he agreed to attribute it to me. I guess that settles whether it s my PDF or not.
I'm not looking for money, but I did it with Word. Word!

BTW if anyone can suggest a better tool to "Desktop publish" (remember when that was the killer app?) I'd love to hear it.
Re: tektronics 2465b 400mhz nvram battery info

 

On 2018-04-04 8:31 AM, Chuck Harris wrote:
You all are going to a lot of work to save calibration
data that ceased to be relevant probably more than a
decade ago.

If the scope had something important, like firmware,
stored in the NVRAM I could see spending the effort,
but what you are talking about doing is surprisingly
similar to looking for ways to change a new fender
into a dented and rusted out duplicate of the old
fender on your car... so you can replace the old
fender...
I think this is an excellent point, but are calibration procedures
documented and possible for end users?

--Toby

(I haven't looked into that question yet, but I do own a TDS460A &
others that are pre-digital)


-Chuck Harris

Claimer: I trade in discount calibrations, so my opinions
are clearly biased in favor of doing calibrations...

ADas via Groups.Io wrote:
HI MIcro,
Yes i soldered temporary wires between pin 1 and 2 of cpu. The cpu is 6802 on all the tek 246x oscilloscopes despite the label "sc67127p". Dont be afraid the cpu assisted copy of data is much less likely to go wrong then if you desoldered the old nvram and then tried reading it, which often fails..
Cheers
Das
Re: tektronics 2465b 400mhz nvram battery info

Chuck Harris
 

You all are going to a lot of work to save calibration
data that ceased to be relevant probably more than a
decade ago.

If the scope had something important, like firmware,
stored in the NVRAM I could see spending the effort,
but what you are talking about doing is surprisingly
similar to looking for ways to change a new fender
into a dented and rusted out duplicate of the old
fender on your car... so you can replace the old
fender...

-Chuck Harris

Claimer: I trade in discount calibrations, so my opinions
are clearly biased in favor of doing calibrations...

ADas via Groups.Io wrote:

HI MIcro,
Yes i soldered temporary wires between pin 1 and 2 of cpu. The cpu is 6802 on all the tek 246x oscilloscopes despite the label "sc67127p". Dont be afraid the cpu assisted copy of data is much less likely to go wrong then if you desoldered the old nvram and then tried reading it, which often fails..
Cheers
Das
Re: Your opinion on using other people's work

 

On 04/04/2018 02:15 AM, Dave Voorhis wrote:
In the technical and scientific world, there is only one choice: LaTeX.

Everything else is a toy or waaay too much hard work. Creating professional documents with most desktop publishing or word processing software is like building houses from toothpicks and plasticine. LaTeX is like handing a blueprint to professional builders.

Given the way LaTeX works, vi is fine if that's what you prefer, though obviously Emacs is a better choice. :-)

(Of course, LaTeX is available online these days, so no need to install a LaTeX toolchain. See overleaf.com)
Emacs isn't always available you're recovering a machine and it may have partitions not available.? Emacs is good for progamming (xemacs is even better), but I still prefer vi for doing system tasks.

Mark
Re: Your opinion on using other people's work

 

On 04/03/2018 10:09 PM, Fabio Trevisan wrote:
Folks!
VI... Ouch!That is the lamest of the Text editors. I know that lots of
folks here will shout at me, saying that it's perfect!
I can even acknowledge... as we know that when someone gets used to any
command line interface that it kills any GUI but... c'mon!
Well, I`m a dinosaur, and even me could never get used to THAT! command
line interface!

I have used Ventura Publisher (was fine) and Page Maker (Very good), but
those were really pro tools, meant for people who worked on the Print Shops
and serious graphical publishing.
They were meant for people who would import the raw text (typed as plain
text) and then would apply, in a structured way, all the formatting and
styling templates.
When done this way, you would see their advantage, but when one would just
jump at it to do a one time work... It was even worse than Word.
Word, despite coming from the evil MS, does quite a decent job at doing, at
once, text editting AND Desktop Publishing.

I never tried in a more involved fashion, but I think that any Open License
Text editor of nowadays, like Star Office or Libre-Office, probably do a
good job as much as Word.

Rgrds,

Fabio
Fabio,

That was typed tongue-in-cheek as an answer to a document writer. However...? I was a unix/linux/VMS sysadmin for nigh on 30 years. And vi was my go to text editor for all those years when programming, writing scripts and those kinds of things.? No, it doesn't give you the GUI stuff that the modern word processors have, but when all you have is a command line access to a server, it probably is one of the best text editors for those kinds of purposes.? Once you get used to the ins and outs of all the commands, it's a pretty powerful text editor.

Mark
Re: tektronics 2465b 400mhz nvram battery info

 

HI MIcro,
Yes i soldered temporary wires between pin 1 and 2 of cpu. The cpu is 6802 on all the tek 246x oscilloscopes despite the label "sc67127p". Dont be afraid the cpu assisted copy of data is much less likely to go wrong then if you desoldered the old nvram and then tried reading it, which often fails..
Cheers
Das
Re: tektronics 2465b 400mhz nvram battery info

 

Ciao Das thanks for the reply.

Maybe we can succeed in the adventure with your great help

Now the procedure is more clearer to me.
My cpu is SC67127p may be fine anyway ? is same 6802 ?
The jumper between pins 1 and 2 on Cpu I do it with 2 wires or a metal tip ?
I also ask if the procedure is invasive
if I destroy something or not.

thank for collaboration

ciao mirco
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