Monitor Controller Owners Manual
Table Of Contents
- 1 Welcome
- 2 Important Safety Information
- 3 Safety Marking Symbols
- 4 Service Information
- 5 m905 features
- 7 Unpacking and Installing
- 8 Connecting the m905
- 9 Normal Operation Mode
- 10 Setup Mode
- 11 General Setup
- 12 ABOUT CROSS-FEED
- 13 Communication Error Handling
- 14 Computer Audio Setup
- 15 Updating Firmware
- 16 Specifications
- 17 Block Diagram
- 18 PCB Jumper Locations
- 19 Wiring Diagrams
- 20 Cleaning and Maintenance
- 21 Warranty Information
- 22 Manual Revisions
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For PC, the input stream format is selected in the USB Audio Driver Control panel as shown:
Note: If your application does not require more than 2 input channels, the 2 input/2output setting is recom-
mended as it requires less over all bandwidth of the USB connection.
COMPUTER AUDIO REQUIREMENTS
Regardless of the type of computer you will use to playback audio from, it must have at least one avail-
able USB port. The m905 ships with a standard USB type A to type B cable. The type A connector plugs
in to the computer and the type B connector to the USB m905 input.
The m905’s asynchronous mode USB DAC supports standard driverless operation on Mac OSX since
version 10.x.x. Sample rates up to 192kHz are supported. For Windows PC computers, users will need to
download and install a free driver on their computer. This driver can be found on our website:
http://www.gracedesign.com/support/support.htm
On Mac computers driverless operation is supported by the OS. The m905 will automatically show up
in your computer’s list of supported audio devices as ‘Grace Audio Device’. In most cases, simply choose
that as your audio playback device and the system will work.










