NEC MultiSync V423 Manual

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NEC MultiSync V423 Manual Manual pdf 6 page image

(6/72)4. Communication FormatThe command packet consists of four parts, Header, Message, Check code and Delimiter.Recommended sequence of a typical procedure to control a monitor is as follows,[A controller and a monitor, two-way communication composition figure]For the general command (see the part "6.3. Operation Code (OP code) Table”)For the special command (see the part 7 to 14. and 5.5.2)Header Message Check Code DelimiterMonitorControllerHeader Message Check Code DelimiterGet ParameterGet Parameter ReplySet ParameterSet Parameter ReplyGet Parameter ReplySave Current Setting CommandGet ParameterThe controller sends command toget a value from the monitor thatyou want to change.The monitor replies a current valueof the requested item.The controller sends commands toset an adjusted value.The monitor replies to thecontroller for confirmation.The controller sends command toget a value for confirmation.The monitor replies an adjustedvalue.The controller requests to storethe adjusted value to the monitor.CommandCommand ReplyThe control does not suitable forabove fixed protocol; use theproper command for each control.Please refer section 5.5 andsection 7 to 13.The monitor replies a propermessage defined for each control.Save Current Setting Command Reply The monitor replies to thecontroller for confirmation.Header Message Check Code DelimiterHeader Message Check Code DelimiterHeader Message Check Code DelimiterHeader Message Check Code DelimiterHeader Message Check Code DelimiterHeader Message Check Code DelimiterHeader Message Check Code DelimiterMonitorControllerHeader Message Check Code DelimiterHeader Message Check Code Delimiter