Re: [time-nuts] SR620 testing

2016-02-23 Thread Alan Ambrose
>>> XY outputs - text at the top is slanted and text near the middle right is >>> overlaid. I don't know if I care about this, as I am unlikely to use this >>> feature. I tried this briefly on a digital scope and it looked a bit iffy. Maybe it's better on an analogue scope. If I remember

Re: [time-nuts] SR620 testing

2016-02-23 Thread Joseph Gray
I don't think I would use the XY output, but I'm sure that this tilted and overlaid text is not correct. https://dl.dropboxusercontent.com/u/19599147/XY%20mode.jpg Joe Gray W5JG ___ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to

Re: [time-nuts] SR620 testing

2016-02-23 Thread Magnus Danielson
Hi, The SR620 has a Z80 dedicated to update the X/Y DACs. For some trimmings it really helps. The SR620 is a mix of a relatively flexible counter, yet it has some limits, which can be annoying for some measurements. In the end I kind of like it. Cheers, Magnus On 02/23/2016 01:13 PM, Bob

Re: [time-nuts] SR620 testing

2016-02-23 Thread Don@True-Cal
: Tuesday, February 23, 2016 6:13 AM To: Discussion of precise time and frequency measurement <time-nuts@febo.com> Subject: Re: [time-nuts] SR620 testing Hi You may have cleaned up a dirty pot wiper as well … The SR620 has X/Y outputs? Who knew? … that’s how often that feature gets used aroun

Re: [time-nuts] SR620 testing

2016-02-23 Thread Bob Camp
Hi You may have cleaned up a dirty pot wiper as well … The SR620 has X/Y outputs? Who knew? … that’s how often that feature gets used around here. Bob > On Feb 23, 2016, at 12:14 AM, Joseph Gray wrote: > > Ignore the problem with EXT trigger. I did a factory reset and now

Re: [time-nuts] SR620 testing

2016-02-22 Thread Joseph Gray
Ignore the problem with EXT trigger. I did a factory reset and now it is working. I should have thought to reset it to begin with. Joe Gray W5JG On Mon, Feb 22, 2016 at 8:14 PM, Joseph Gray wrote: > Finally got an SR620 at a decent price. I'm going through the > Functional

[time-nuts] SR620 testing

2016-02-22 Thread Joseph Gray
Finally got an SR620 at a decent price. I'm going through the Functional Tests and the Performance Tests now. So far, I have two anomalies. Pg 62 Functional Test - EXT input. When I vary the EXT trigger knob, I don't get the trigger LED, except that it flashes briefly at one spot as I move the