*** Version 1.2 *** Fixed a bug that occurred when using the serial command 'SZ' to do audio breakaway, and a mute delay of non-zero was being used. It was possibly (and likely), that the Analog Audio or Digital Audio would not come out of mute until the full zone was switched away. *** Version 1.1 *** Fixed a bug in the 12V on/off trigger voltage handling. The levels were reversed (12V turned off device, while 0V turned it on). Fixed some errors in the RS-232 commands. Added an Audio Mute option to the control settings (new setting=08). Works just like the Video Mute option, except it affects the audio channels. Fixed some erratic behavior, when using the remote to adjust the display intensities. *** Version 1.0a *** Initial release.