Nomad intensity solution?

Hello

I would like some help. We have recently purchased a Puck for on tour. It is straightforward to work with but I am very much missing the intensity wheel.

Is there a way to scroll up and down dimmer channel intensities?

For set-up: I ask a mouse - keyboard - ordinary monitor screen from the venue, so as not to travel with this.

In other words I have no touch screen available.

I would like to just go up and down in intensities but can not find how: I tried the mouse wheel (that would be so handy why does this not work?), tried arrows, + and -,  ...

nothing seems to do the trick easily.. :-(

thanks for any feedback on this 

Anne 

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