1. Serial communication basics1.5 Serial comms commandsBasic CommandsBasic commands are the commands used to control the basic parameters of the projector.The Contrast increment command is a basic command.Advanced CommandsAdvanced commands are used to control advanced parameters of the projector.The Pip loop focus is an advanced parameterThis manual is divided in two parts, the first part contains the basic (elementary) commands while the secondpart gives an overview of the available advanced commands.Some commands are illustrated with an example.8 R59770077 RS 232 SERIAL COMMUNICATIONS FOR ICON H250/400 16/02/2007