which oscilloscope?

rickman wrote in news: snipped-for-privacy@m36g2000hse.googlegroups.com:

The Z-input also seems to have disappeared from modern scopes. and I miss it.

On a sunny day (26 Jun 2008 15:57:58 GMT) it happened Scott Seidman wrote in :

Yes, very valuable:

I want the Y-output back.

To connect an audio amp to.

(it is simply amazing what can be measured by ear! Just sensing e.g. a adress line will make "audible" the software flow in a CPU board.)

My old analog hobby scope has one. And I dearly miss it on the office LeCroy.

What can you do with a 4 channel scope that you can't do with a 2 channel one by moving the probe, when testing a 4 channel AWG? This looks to me like the perfect example of why you don't need 4 channels.

Rick

I can work my way through a list of 265 distinct serial commands, testing each one and its arguments, and watch what happens to all 4 waveform generators after each command, without mating/unmating cables about a thousand times.

John