Hi Jaseem
Yes found it
if (mount->HasAuxEncoders())
{
if (AuxEncoderSP && strcmp(name, AuxEncoderSP->name) == 0)
{
IUUpdateSwitch(AuxEncoderSP, states, names, n);
if (AuxEncoderSP->sp[1].s == ISS_ON)
{
AuxEncoderSP->s = IPS_OK;
LOG_DEBUG("Turning auxiliary encoders on.");
mount->TurnRAEncoder(true);
mount->TurnDEEncoder(true);
}
else
{
AuxEncoderSP->s = IPS_IDLE;
LOG_DEBUG("Turning auxiliary encoders off.");
mount->TurnRAEncoder(false);
mount->TurnDEEncoder(false);
}
IDSetSwitch(AuxEncoderSP, nullptr);
}
}

My mount does have aux encoders (as does the AZGti), and as I say the Synscan app supports this for my mount and turns them off.
The issue is
1 switch on mount
2 connect in Ekos
3 Issue goto star
4 But the mount will not actually point at the star, so using either the arrows key of slip the clutches point at star
5 Sync
But the mount slews back to position at step 2, it remembered this I tried 'clear model' but still creeps back to position at 2.

As I say don't worry there aren't many people using an Alt/Az mount in Alt/Az mode for imaging...
Thanks
Paul

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