Rookie question on dimmer check

Thank you all - it's winderful to have...

And now for my next rookie question:

Is there such a thing/button/function as a 'NEXT' key on this beast? (Whether I am running Desk Channels of DMX Testing)

Thanks again

Thank you all - it's winderful to have...

And now for my next rookie question:

Is there such a thing/button/function as a 'NEXT' key on this beast? (Whether I am running Desk Channels of DMX Testing)

Thanks again