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
>