if your sat-nms ACU2-ODU is equipped with OMRON M1 frequency inverters, use this chapter to get a short overview of the basic operation of this unit. Take a look at the frontpanel, if you can find “3G3M1� written here, you are in the right chapter.

If an OMRON MX2 type is installed, please refer to chapter 3.1.2 OMRON MX2 frequency inverter operation .