• 1 Answer SOURCE: Dragon Quest 4 Iso Joe. Turn on the gas knob for the oven (below the grill) You will see an ignition button below the one that switches on the oven light,it is clearly marked. Press in and hold the gas knob and press ignite button,you will see the safety bar flame light,when the safe to operate temperature is reached,the oven will stay lit after you release the gas supply knob. Varian Star Chromatography Workstation Manual Lawn Download Free Software Barber Coleman 7sc Manual Lawn. there. Set oven temperate guage (gas mark 4 is approx electric 200 degrees,thats all there is too it Hope that helps yorkypaul@gmail.com Posted on Dec 20, 2010. Turn on the gas knob for the oven (below the grill) You will see an ignition button below the one that switches on the oven light,it is clearly marked. Press in and hold the gas knob and press ignite button,you will see the safety bar flame light,when the safe to operate temperature is reached,the oven will stay lit after you release the gas supply knob. Set oven temperate guage (gas mark 4 is approx electric 200 degrees,thats all there is too it Hope that helps yorkypaul@gmail.com Sep 05, 2009 .