Doepfer

Huge thanks for the very thorough, helpful replies. My idiocy was in 
assuming that the clock out was a simple gate/trigger that I could 
use as an alternative LFO square wave to trigger S&H or something. 

--- In Doepfer_a100@yahoogroups.com, Florian Anwander <fanwander@...> 
wrote:
>
> Hi madrayken
> 
> >> 3) The clock-out seems to do nothing despite receiving clock 
signals
> >>> from my sequencer (AFAIK).
> >> Yes, that's the function of the clock out
> > I'm confused. Its function is do nothing when it receives a clock 
> > tick from my sequencer? The LED doesn't light? What do people 
> > actually do with this output, then? Is it only for the clock 
> > divider/sequencer module?
> Unfortunately "yes", but somehow also "no". ;-)
> 
> temposync-systems like MIDI-clock or DIN-Sync consist from two 
parts:
> 1.) the clock
> 2.) the action commands.
> 
> The clock usually runs all the time and provides the tempo.
> The action commands say something like "Start", "Stop", "Reset" or 
> similar. In MIDI these are separated command words. In DIN-sync 
(which 
> is a two or four pole cable) there is a clock-line and (at least) a 
> Gate-line which says Start(=Gate On) or Stop (=Gate Off).
> 
> Unfortunately the A-190 does not output a Start/Stop Gate like DIN-
Sync 
> would do, but it sends at the "Reset" output, an inverted version: 
it 
> goes low (=Gate Off) when receiving a MIDI-Start command; and it 
goes 
> high (=Gate on) when it receives a MIDI-Stop command.
> 
> To derive a Start/Stop-Gate like for the DIN-Sync you have to 
invert 
> this signal with an A-165 Trigger modifier (or A-166 Logic Module)
> 
> To derive a clock which does not run when MIDI-Stop is received 
(e.g for 
> an SH-101 sequencer or any arpeggiator clock in) then you have to 
feed 
> the A190 clock out to the I/O-input of an A150 VC-switch, control 
the 
> switch by the A190 reset output and pick the clock at the A150 on 
I/O2.
> 
> If you want to derive separated start stop triggers like for the 
A154 it 
> becomes very complicated... :-( You need the A165 trigger modifier 
and 
> an A166 Dual logic modul.
> The A165 produces triggers at the end and(!) the start of the 
> Start/Stop-Gate. You need the two Gates of the A166 with different 
> AND-settings to enable the Start- and the End-trigger at separate 
outputs.
> 
> 
> 
> > Sorry - I should have been more specific. The only way I can get 
the 
> > portamento to start working is to first send a CC #65 (64-127), 
and 
> > then send CC #05 (to some value).
> > 
> > I presume this is normal.
> Yes.
> 
> Florian
>