I agree 100%.   But the unit is inexpensive enough and handy enough that 
 I overlook the small inconveniences like that one and go on about my work.
 But I do agree it's annoying.

                                                 Jim


> Paul James E. wrote:
>> Although it's a little bit higher than your budget, you won't go
>> wrong. I'm talking about the Tektronix TDS-210 unit.  It's a digital
>> scope, but you don't need a computer to use it.  It has a small form
>> factor so it sits on a bench or desk and doesn't take up much room. 
>> It's perfect for working with PIC's and related circuits.  It has the
>> capability of storing waveforms from each of it's two channels to use
>> as a reference waveform, or for taking a longer look at a signal after
>> it has been captured.
>> You can also connect a printer so you can print the waveforms to paper
>> if you have the printer I/F cartridge in place.
>> The cost for all of this utility is around $900.00 new.  $500.00 to
>> $700.00 used.   I don't regret getting one.   I use it all the time.
>> Just a suggestion on my part, but I know you'll like it if you get
>> one.
> 
> Definitely an adequate scope for general microcontroller work.  There
> is one thing that really bugs me about these though, especially since
> it could have been fixed with just a firmware change.  The horizontal
> position of the trigger stays fixed in *time* relative to the center of
> the screen, not fixed in screen position.  This is really annoying when
> you put the trigger point near the left end as you often would, then
> change time scales.  If you go to a larger time scale, then then
> trigger point moves in towards the center and you have to put it back. 
> That's annoying enough, but if you change to a smaller time scale the
> trigger point goes off screen.  If you magnified the time a lot, then
> the trigger point ends up waaay off screen. Of course now the
> adjustment knob is on the new time scale, so you can turn it and turn
> it and still not get the trigger point back.  You have to turn the time
> scale back until you can see the trigger, put the trigger in the middle
> of the screen, expand the time scale, hope you parked the trigger close
> enough to the middle that it didn't go off screen, then put the trigger
> point back near the left edge where you had it in the first place. This
> may not sound like that big a deal, but it gets really annoying after a
> while.
> 
> 
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> consultant in 2004 program year.  http://www.embedinc.com/products -- 
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