Martin,

This kind of behaviour often results from using a power supply that
isn't pure DC. It needs to be regulated 12 - 15V. What are you using?
Can you try something else to eliminate the power supply as the cause?

Andrew

--- In sprog-dcc@..., "Davisons" <tdavison@t...> wrote:
>
> MyMy new Sprog II usb arrived 2 days ago so -----------
> It seemed to install Ok and I was up and running! Using Decoderpro
1.7.5 I seem to get inconsistant cv1 reads other cv's much better
although not as obvious if faulty ( to Me )
> it reads manufacturer ID and decoder model ok !
> Often get " No loco present" on cv1 even when loco is ACKing and
doing its little jump along the track. I have connected dirrectly to
the decoder therefore bypassing any dirty track or pickup problems,
still the same! Have tried two different locos/ decoders.
>
> When Trying with single throttle I get similar results only works
10% of the time no pattern to it . I try to do everything the same
each time but get different results.
> seems to help if I refresh the cv1 address
> Have a lot to learn so could be doing something stupid!~! ( very
Likely )
>
> cheers Martyn in OZ
>
> [Non-text portions of this message have been removed]
>