Prolonged signal conversion on lifting of the fuel nozzle needle. Make the injection more quantity in 1 stroke work makes it possible to control the fuel supply on demand
Modulation extend the lift of the needle injectors. Injections were made in greater quantities in one stroke operation. Makes it possible to control the amount of fuel required.
Signal conversion, extend the period in the uplift of the needle nozzle of fuel oil. The injection quantity more 1 rhythm work. It can control the amount of fuel required