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D4T Firmware Revision History

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D4T v3.00 - 14 March 2011

Changed transmission protocol for reduced latency.
NOTE: D4 units with version 3.00 or newer firmware are compatible and interoperable with Lectrosonics Quadra IEM system components (e.g. M4R, M4T).

THIS VERSION IS NOT COMPATIBLE WITH v1.x and v2.x D4 UNITS. PLEASE UPGRADE ANY OLDER D4 UNITS TO 3.00 OR NEWER TO MAKE THEM COMPATIBLE.

D4T v2.2 - 10 February 2010

Now, exploring the menu options for two- and four-channel receiving modes never results in a changed tuning frequency, provided the mode is restored to its original setting prior to leaving the menu.

D4T v2.1 - 22 October 2009

D4T v2.0 - 24 July 2009

D4T v1.2 - 11 June 2009

Fixed bug wherein AES menu sometimes failed to activate second AES input jack.

D4T v1.1 - 12 May 2009

First production release.