Hello Michael,

thank you for the technical details.

This night I will try. For the first time I would like to use a
Meade DSI for autoguiding with PHD Guiding via Ascom platform. Is it
a working setup? This should provide an excellent PEC teaching.
I will set the rate1 to 0.10x.

Gianluca



--- In fs2users@yahoogroups.com, "Michael Koch"
<astroelectronic@...> wrote:
>
> Hello Gianluca,
>
> > What causes this anomalous behavior of the PEC tool? Is it a bug
in
> > the software?
>
> No, it's not a bug. The PEC table has about 1000-2000 entries, the
> exact number depends on gear ratio and teeth number.
> Let's assume the table has 1000 entries, and the worm wheel has
180
> teeth. That means the learning period is about 480 seconds long.
> During the learning period the FS2 stores which keys you pressed,
and
> in the above case every 0.5 seconds a value is written in the PEC
> table. If you press a key shorter than 0.5 seconds, it's possible
> that it's not stored at all. If you press a little longer than 0.5
> seconds, it's possible that it's stored two times. With other
words
> you have a quantization error in the stored data.
> With slower correction speed, the corrections become longer and
this
> quantization error becomes less evident.
> I recommend that you set the "rate 1" parameter smaller than 0.25x.
>
> Michael
>