ARGUS programming unit to set and read various parameters stored in the Vega-devices and the enhanced conventional series family. To read and set an analogue address on a Vega-device; to change a conventional or analogue temperature sensor from Rate Of Rise to High Temperature or vice versa; to read the FW version and other data; to activate or deactivate input or output channels on a multi-module device; to programming a conventional zone module; to program the operating mode on a 32 tones analogue base sounder or its audio-visual variant. Operating from 9 V battery.