Swing head on Durst L 1200

[jensriis]

My question is simple.

I have borrowed a darkroom with a durst L 1200, but cant figure out how to swing the enlarger head.

Which knob do I turn ?

 

[RalphLambrecht]

unlock and turn,lock

 

[jensriis]

Tanks. Just had to pull the head a bit harder than expected.