Locate, choose and attach the appropriate lens: The usable of the lenses diameter are 28mm, 38mm, 48mm. (1)When the area of the chips is below 15mm*15mm, please choose the IR-lamp temperature about 160-240, and choose the lens which D=28mm to avoid destroying other places, usually it will take you about 20-40seconds. (2)When the area of the chips is between 15mm*15mm and 30mm*30mm, please choose the IR-lamp temperature about 240-320, and choose the lens which D=38mm to avoid destroying other places, usually it will take you about 30-60seconds. (3)When the area of the chips is above 30mm*30mm, please choose the IR-lamp temperature 350(Attention: you should turn on the pre-heat dish first, and set-up the temperature about 150-200,wait 3-5minutes to allow the temperature steady on the set-up temperature),and choose the lens which D=48mmto avoid destroying other places, and keep the lamp body direct light. You should control the time carefully to avoid burning the chips.
