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861 Version 2 Note
DMS v1.0 – 15-11-98
861 Version 2 Software Installation Instructions
861 Version 2 is a powerful new software suite which combines many functional and processing
enhancements with even greater future compatibility. The main additional features are as follows.
• Automatic MLP decoding for DVD Audio and MLP CDs
• 0.5dB calibration steps for all channels, for the Centre Level control
• Sub crossovers variable from 30Hz to 150Hz. Three settings for Music, Logic and 5.1 presets
• Up to 24 Bit input precision
• Support for new cards, including the RF00 AC-3 Demodulator
The software suite also includes a radically improved PC User interface. One program, Meridian Product
Configuration, now sets up both the 861 and 561 Surround Controllers, and will also be used to set up the
800 and any future flash memory based Meridian products. If you are familiar with the 561 or 861
configuration software, you will find the new Meridian Product Configuration program very easy to use.
The documentation included is the Supplement to the User Guide for new units, and two sheets describing
how to use a PC or Laptop to upgrade the 861 software using DOS or the Windows program.
Upgrading the 861 and the Configuration Software
Due to the number of additional features added to the 861 software, old 861 settings files are not
compatible with the new software. We will shortly be adding an import feature to the new configuration
program, but until then it is best to first run the old program and write down the important settings from your
system settings file such as speaker calibration and source configuration. These can then be re-entered
into the new program.
1. The new program replaces both the old Meridian applications - the 800 Series Configuration and the 561
Configuration. If you have either or both of these programs installed, you should first uninstall them Start/Settings/Control Panel/Add Remove Programs.
2. Using the setup disks provided, install the new program onto the computer you wish to use.
Start/Run/a:setup.
3. With the 861 switched off, install any new cards which you may want to fit to the 861. Follow the
instruction sheets provided with the card.
4. Install the new product software in the 861 using either DOS or the configuration program. Follow the
instructions in the accompanying sheet. Then Type the 861 to Type 1.
5. To reconfigure the 861, follow the instructions in the Overview section of the 861 Supplement sheet.
Start with instruction 5 which is to Fetch the settings from the product so that the program has up to date
information about which cards are fitted.
As you are using the software, note the following new features
• The option to Print Sources and Outputs Summary (Settings).
• The Cards section which shows which cards are fitted to the 861. You can add additional cards with the
New Card button if you want to use the program without an 861 present.
• Digital Input Precision now goes up to 24 Bit.
• In the Speakers section, a new tab has been added for Crossover frequency selection, and the Gain
controls are now in 0.5dB steps. A Size Calculator has been added to assist in setting bass protection.
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