/************************************************************************
**                                                                     **
**                ULTRA ELECTRONICS CARD SYSTEMS                       **
**                                                                     **
*************************************************************************
**                                                                     **
**   PROJECT              :  Magicard Enduro Badging Model firmware    **
**                                                                     **
**   MODULE NAME          :  Amendment Record                          **
**                                                                     **
**   FILE NAME            :  changelog.txt                             **
**                                                                     **
**   AUTHOR               :  A. M. Pass                                **
**                                                                     **
**   SECURITY CLASS       :  Unclassified                              **
**                                                                     **
**   SIN No. / ISSUE      :  SIN 2138 / V4.04                          **
**                                                                     **
**   COPYRIGHT            :  Ultra Electronics Ltd Card Systems        **
**                                                                     **
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                        AMENDMENT RECORD 

************************************************************************* 
    DATE     DCR      VERSION
  18-02-09  30625-1   V4.04

1. Fixed minor bug in smart encoding.

2. Fixed minor bug in mag encoding motor operation.

3. Improved printhead temperature monitoring.

4. Refined head lift and ribbon take-up technique. 

************************************************************************* 
    DATE     DCR      VERSION
  10-01-09  30586-4   V4.03

1. Printer now allows 2 minutes for head to cool after an overheat condition (previously 30 seconds).

2. Added ability to process hex-encoded mag strings.

************************************************************************* 
    DATE     DCR      VERSION
  15-01-09  30586-2   V4.02

1. Improved flip mechansim reliability.

2. Fixed a minor bug which sometimes prevented the HoloKote tiles from
   being rendered on the reverse side of cards.

3. The FFF command now takes an optional numeric parameter.  If the parameter is either zero or absent, then FFF behaves as before.  Otherwise, the major error code is set to the value of the parameter.

4. Altered DEF command to prevent PCB/printhead serial numbers from being reset.

5. Added support for Magicard Support Utility sensor test.

6. Reduced printing noise and improved resin/overcoat printing slightly.

7. Added extra error handling during mag encoding.

8. Improved dye-film calibration reliability.

************************************************************************* 
    DATE     DCR      VERSION
  18-12-08  30537-4   V4.01

1. Can now exit from SNS diagnostic mode by pressing a front panel button.

2. Added SKT command for special soak test print job.

3. Added extra information to printer query.

************************************************************************* 
    DATE     DCR      VERSION
  02-12-08  30537-2   V4.00

1. Stopped hand-feed mode from causing a flipper jam on some units.

2. Improvements to image position set-up.

3. Support for new A2D converter incorporated.

************************************************************************* 
    DATE     DCR      VERSION
  23-10-08  30416     V3.05

1. Added French, German and Portuguese translations for LCD text.

2. Added improved end-of-film detection to avoid printing a partial image at the
   end of a roll.

3. Added support for printing with CR79 cards (requires driver version 1.3.3.0
   or later).

4. Updated RFID code.

************************************************************************* 
    DATE     DCR      VERSION
  24-09-08  30429-3   V3.04

1.Reduced number of trailing zeroes in mag encoding.
2. switched flipper motor off during encoding.

************************************************************************* 
    DATE     DCR      VERSION
  22-09-08  30437      V3.03

1. Modified internal image setup image to prevent subsequent images from 
   being shifted to the right on the card.

************************************************************************* 
    DATE     DCR      VERSION
  17-09-08  30429-1   V3.02

1. Improved colour density.
  
2. Added Italian and Spanish translations for LCD text.

3. Memory use is now more efficient.

4. Added special internal test image for faster image position set-up.

************************************************************************* 
    DATE     DCR      VERSION
  21-08-08  30393     V3.01

1. Added features for in-field service.

2. Further improvements to image position set-up.

************************************************************************* 
    DATE     DCR      VERSION
  18-08-08  30383     V3.00

1. Improvements to image position.

2. Added Polish translations.

3. Added timestamps to printer query.

4. MC200 models now have a USB product ID of 0x5800.

************************************************************************* 
    DATE     DCR      VERSION
  17-07-08  30334     V2.07

1. Improved calculation of tacho offsets and image clipping to prevent
   occasional dye-film panel misalignment when using half-panel film.

2. Internal test pattern is now in colour when using half-panel film.

3. Corrected a potential issue with ejection, indirectly caused by random
   electronic glitches in the signal from the flip sensor.

4. Increased the dye-film take-up speed when using monochrome film (MA1000K).

5. Reduced the influence of warm-up on colours to fix the problem whereby the
   first few lines printed of any image were excessively dark.

6. Fixed minor bug which caused the image position markers to be clipped at the
   trailing edge of the factory calibration test image.

7. Corrected event sequence which occurs when sending a double-sided black-only
   PRN to a single-sided printer.

************************************************************************* 
    DATE     DCR      VERSION
  04-07-08  30315     V2.06

1. Adjusted card entry angle when returning card from the flipper back into
   the engine preventing occasional 'Flipper Card Jam Error 04:08'.


************************************************************************* 
    DATE     DCR      VERSION
  01-07-08  30310     V2.05

1. Ensured dye film slack taken up after each printed panel to prevent 
    Flipper Card Jam Error 04:07.

************************************************************************* 
    DATE     DCR      VERSION
  17-06-08  30270-4     V2.04

1. Ensured that monochrome film displays as "MA1000K", not the obsolete "EN3".
2. Fine-tuned transient compensation settings to get a better overall effect on
   multi-coloured backgrounds.
3. Added some diagnostic features relating to RFID and dye-film calibration.
4. Improved dye-film handling when using half-panel film.

************************************************************************* 
    DATE     DCR      VERSION
  11-06-08  30270-3       V2.03

1. Corrected problem in glitch-filtering code.

************************************************************************* 
    DATE     DCR      VERSION
  10-06-08  30270-2       V2.02

1. Improved the glitch-filtering code for the front card sensor.

************************************************************************* 
    DATE     DCR      VERSION
  09-06-08  30270-1       V2.01

1. Added a quick command (DEF) to reset the PCB settings to the factory
   defaults.
2. Added unique error codes for some fairly similar dye-film position
   failure modes to help with troubleshooting.
3. Slightly increased the dye-film transport speed during film alignment.
4. Increased protection against sensor glitches during printhead
   positioning.
5. Improved positioning of card after mag verification.
6. Improved reliability of tacho pulse counting, and optimized some code
   which analyses the dye-film statistics.
7. Ensured that flipper motor is switched off sooner if there is an error
   during flipper initialisation.
8. Ensure that dye motor is switched off sooner if there is an error
   initialising the dye film.

************************************************************************* 
    DATE     DCR      VERSION
  29-05-08  30236-5     V2.00

1. Updated the dye-film speed control in line with release V1.2 of the
   CPLD.
2. CPLD version is now reported by the printer query command instead of
   the PCB version.
3. Fine-tuned the ramp adjustment to improve colour consistency across
   the width of a printed image.
4. Refined operation of test tags.

*************************************************************************  
    DATE     DCR      VERSION
  22-05-08  30236-4     V1.01

1. Modified temperature-based strobe width compensation for resin and overcoat.
2. Ensured that the 'cancel' button works when printing overcoat layer.
3. Improved calibration of image start and end positions.
4. Soft power-on now causes a processor reset.

*************************************************************************  
    DATE     DCR      VERSION                   
  20-05-08  30236-3     V1.0

1. Fixed plug-and-play problem.
2. Fixed problem caused by static glitches during card positioning.

*************************************************************************  
    DATE     DCR      VERSION                   
  06-05-08  30236       V0.9

1. Fixed potential image data corruption issue.
2. Added LCD feedback during duplex upgrade process.
3. Changed default LED brightness settings.

*************************************************************************  
    DATE     DCR      VERSION                   
  06-05-08  30133       V0.8

1. Improved dye-film take-up and postioning.
2. Changed wording of dye film error message.
3. Refinements to image positioning.
4. Refinements to roller cleaning process.
5. Added support for MC200 models.

*************************************************************************  
    DATE     DCR      VERSION                   
  11-04-08  30133       V0.7

1. First production release.

*************************************************************************