Problem with trigger edge specifyins : error 89133

[Franky_31]

Hello,

I'm working with a USB-6259 counters with Labwindows/CVI 8.0. I have a problem when specifying the edge type for an Digital Trigger.

If I specify an Rising edge trigger, it works fine. If I specify a Falling edge trigger, I have got this error :

Specified inversion cannot be

[Mathieu_R.]

See there.