I have the ZQ-290 and have just been to the Sharp site click here to check your model out. As I thought it might be it is very similar to mine.All the controls are on the screen. Press on, then tap the clock/world symbol 3 from right on mine. Then on the screen just above the arrows is MENU. I should have said you may need to tap on 2nd to get the controls active. There are 2 screens one for w/p and the other for settings etc.
Hope that has helped you to crack it. I need my glasses on to read the screen!