Found something interesting in the list of RS232 commands.
http://pdf.outlawaudio.com/outlaw/docs/990rs232protocol.pdf One of the cammands is "System Display Dimmer, Off and On".
So the feature exists but we can't access it with the remote. Maybe an IR code exists but they ran out of buttons on the remote and had to leave something out. If an IR code did exist those of us with a programmable remote, such as a Philips Pronto, could access it. If only we knew the code.
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Outlaw Audio Model 990
Outlaw Audio Model 7500
Polk Audio RTi150, CSi40, FX500i, PSW650
Sony KDS-55A2000
Onkyo DX-C390
Toshiba HD-A2
DirecTV HR20-700
Philips Pronto TS-1000
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