I am working with DMM 5.2 and DMP4400G w/ 5.2 I am attempting to control a Sharp TV (LC-42D65UT) through DMM system tasks. The Sharp TV is looking for text control rather than hex apparently. Command codes are listed in the manual. The format is 4 command digits followed by 4 parameter digits followed by a carriage return. For instance, the Power off command is POWR0 followed by 3 spaces(all parameter digits MUST be filled, hence the 3 spaces)followed by a carriage return. Using Putty I can control the TV from my PC through Putty and the command is executed as soon as I hit Enter(CR).
I ran the system task to control non-DMTech displays, then I created a system task with the following command rs232.tx_str=POWR0 When I connect the DMP to my PC and send the command formatted without the spaces or CR the DMP sends the text correctly to Putty. If I include a space anywhere in the command the DMP sends nothing. The TV does not accept the command without the spaces and CR.
So, is there a way to include a space and CR in a text string to be sent by the DMP and have it send successfully the entire string?
Just a small extra step that some of you might need to take. On some Sharp displays the remote ON command needs to be enabled. To do this turn the display on with it connected to the DMP. Make sure rs232 is enabled on the DMP. Create and send the following advanced task.
Create system task "TV ON ENABLED" (((ascii =RSPW1_ _ _ +cr)))
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