MC-12HD Digital Controller/Processor
Release Notes
The purpose of this document is to communicate any points that are not fully discussed or to correct and update text within the MC-12HD User Guide, Part No. 070-17555, Rev 0.
Manual revisions pertinent to the V2.00 Software upgrade:
•The V2.00 allows the passing of 7.1 PCM (LPCM) upto 96 KHz source via HDMI inputs. Upon receiving a 7.1 LPCM source over HDMI, the MC-12HD automatically loads 7.1HD DIRECT mode. This new mode is analogous to 5.1mc STANDARD and allows the use of bass management, speaker crossovers, speaker distance calibration, and audio controls (tone controls). When these features are not used, the 7.1HD DIRECT listening mode is similar to the 7.1mc BYPASS listening mode. Note: no special setting on the MC-12HD is required. Upon detecting the 7.1 LPCM audio, the MC-12HD will display 7.1HD DIRECT in quick status.
•When listening to 7.1 LPCM audio, pressing 2CH button on the remote loads 7.1HD 2-CHAN mode. In 7.1HD 2-CHAN mode all channels are downmixed to Front L/R.
•The V2.00 fixes an abrupt noise issue when switching from certain 48KHz LPCM tracks to 96KHz LPCM disc title track and vice versa.
•Improved audio sync time when playing CD.
NOTE:
•It is recommended that users back up their settings using configuration utility as a precaution.
•When source’s HDMI audio output is selected as LPCM, the MC-12HD does not decode the audio signal. That is, in case of Dolby and DTS formats, the upstream source device is responsible for decoding the signal and outputting a LPCM signal to the MC-12HD.
•If source device is setup to output HDMI Audio in “Bitstream”, then the MC-12HD will NOT detect the 7.1 audio streams.
Manual revisions pertinent to the V1.25 Software upgrade:
The V1.25 software upgrade resolves a potential noise issue. In some cases, while using the 5.1mc surround mode and 5.1 surround analog inputs, there may be noise on the analog output line. This software revision resolves potential noise on the analog output while using the 5.1 analog inputs.
For customer service and product shipment information, refer to the website: www.lexicon.com
Lexicon Part No. 070-20650 | Rev 3 | 10/09
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