Is it a posh ATR with EEC's and PEC's? It is is then: Power lever pops into the detent, press the button to get the prop/power setting when in flight and if you have too much torque, take the levers out of the detent. Let's guess at power: Two engine Circuit: 35%, Approach: 20% - Single engine double it! This appears to work for most turboprops. The rest is normally operator specific - some make it easy, others...