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* This firmware is for the following products: *
* -------------------------------------------- *
*    1200DD    1200DDG    1201DD    1201DDG    *
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version 2.0 build 37  (June 25, 2020)
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Can use TOYO LEDs


version 2.0 build 19  (April 2, 2020)
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Update to support latest version Acutime receiver
There are no operational differences.

version 2.0 build 6  (December 3, 2014)
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- Update to support latest version of hardware.
- There are no operational differences.

Version 1.7 build 13 (November 6, 2007)
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- Corrected an issue when multiple clock's are daisy chained, the latter ones in the chain may not lock
- Corrected the version information displayed in the VISTLINK

Version 1.7 build 9 (July 19, 2007)
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- Updated PCB for supporting green display (first release)

Version 1.6 build 9 (May 25, 2006)
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- Added NTP support
- Added VistaLink support
- Added Serial Port display mode
- Added a front panel upgrade

Version 1.5 build 7 (November 23, 2005)
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- Added IRIG and GPS inputs.
- Added STATUS to display mode.
- Added a menu tree for Daylight Saving Time.
- Added a menu item to enable LTC output offset to be the same as display.
- Added a menu item LTC ND inputs.  This is a LTC input for LTC signals which have no 
embedded date data.

Version 1.3 build 5 (May 11, 2005)
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- LTC TiMe mode does not increment if there is no input.

- All input modes flash the 2 alphanumeric characters if there is no input present.

- In TiMe mode, 24 hours display, there is no alpha characters if there is valid input present, and a 
  flashing U if no valid input is present.

- In Date mode, the alpha characters show day of week.

- LTC TiMe mode accepts any LTC as valid input.

- TIME  mode expects sequential LTC to be considered valid input.

Version 1.1 build 3 (September 21, 2004)
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- fix for occasional reboots which show up as a blink on the display

Version 1.1 build 2 (September 14, 2004)
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- first release