OVERVIEW MAJOR CHANGES MSCAN RELEASES
                     =====================================

MSCAN 2.10g
* also available as shareware

MSCAN 2.10f
* bug removed for Video Blaster models SE and FS200

MSCAN 2.10e
* Video Blaster input is selected at startup
* bug VESA RGB sequence removed (Wraase and colour FAX modes)
* video functions partly rewritten (bankswitching)
* transbox uses true intensity level (luminance < 1.2%)
* release version

MSCAN 2.10dá
* too large JPEG pictures will still be loaded but truncated
* supports VESA compatible video cards with inverse RGB sequence
* all graphical functions partly rewritten (bankswitching)
* header text disabled in B&W and Wraase SSTV modes

MSCAN 2.10cá
* Ad Lib output level control added
* transbox: pixels with intensity below 1.2% are transparent
* timing of ViewPort and PCIO-bus drivers corrected for Pentium 150
* header text option added
* several bugs removed
* keyboard handling improved

MSCAN 2.10bá
* spectrum menu: 1000Hz and 2400Hz tones added (for Viewport calibration)
* bug removed: Multiscan tx now ok
* delay option added for digitizing

MSCAN 2.10aá
* number of effective video levels doubled (twice as much grey shades, eight 
  times as much colours)
* one program for all interfaces
* Ad Lib/Sound Blaster supported
* EasyFax supported
* new xtal calibration method, '+ lpm' and '- lpm' removed
* F5 toggles mode indicator, F6 sync mode, F9 rx/tx, F10 ok/quit
* new digitizer settings brightness, contrast, hue, saturation and luminance
  (all settings, including input, are stored)
* output through TxD pin supported
* ViewPort VGA supported
* improved multitasking
* JPEG quality factor changed from 75 to 100
* Video Blaster SE, FS200 and SE100 supported
* input selection for Video Blaster added
* Robot 72s mode added
* SSTV screen width changed from 315 to 316
* supports COM1, COM2, COM3 and COM4

MSCAN 2.02i
* bug Microscan reception removed (on less than 1% of the PC's Microscan could
  not receive anything although everything else, including tx, worked ok)

MSCAN 2.02h
* bug path command removed
* <alt-x> also quits program
* release 2.02

MSCAN 2.02gá
* bug VIS detection removed

MSCAN 2.02fá
* calibration accuracy improved by decreasing stepsize
* shading of header background reduced from 50% to 25%
* bug in rx display sequence setting removed
* SSTV auto mode now enabled in shareware version
* auto modes in shareware version save max. 10 pictures
* bug in draw function removed
* bug in VIS detection removed

MSCAN 2.02eá
* spectrum menu also present in Microscan version
* synchronization in new SSTV modes improved
* bug in NEXT command removed
* auto mode setting in new SSTV modes by VIS code detection
* message indicator can be erased by clicking OK
* bug removed for mouses that use IRQ8-15
* SSTV auto mode saves pictures immediately after reception
* ComputerEyes/RT videodigitizer supported
* auto detect faulty/correct scottie modes
* scottie modes now transmitted correctly
* left & right black borders reduced when transmitting
* auto fill added for picture loading
* writing to memory speed is improved
* VIS synchronization mode added
* synchronization mode setting is stored
* display sequence setting is enhanced
* timing martin and scottie modes improved
* bug in TX start removed
* scottie DX mode added
* footer (greybar) is dropped, header has been changed

MSCAN 2.01f
* bug removed in next button
* IRQ numbers 8-15 now handled ok

MSCAN 2.01e
* digitize menu: box-escape aborts menu, not program
* release 2.01

MSCAN 2.01eá
* bug in next removed
* callsign positioning in footer ok
* non existing path entry defaults to working directory
* grid testimage changed in new SSTV modes
* FAX sync duration now 10 seconds

MSCAN 2.01dá
* bug in calib removed

MSCAN 2.01cá
* beta version
* VESA/fast mode introduced for slow VESA drivers
* enhanced VESA support
* several bugs removed
* old model Video Blaster supported
* transbox option added
* next button added
* draw uses selected fontcolour
* ALG2301 chipset supported
* GIF89a pictures supported
* visibility marker improved
* program retains last used modes
* xtal calibration factor can now also be computed in new SSTV modes
* enhanced path menu
* program retains last used picture path
* full support of new 3-input Iris digitizer

MSCAN 2.0qá
* beta version
* supports S3-Vision864 and S3-Vision964 chipsets
* supports new Iris videodigitizer with three inputs
* supports COM port IRQ numbers 3, 4 and 5 (not tested)

MSCAN 2.0p
* some error messages have been changed
* international release 2.0

MSCAN 2.0oá
* true colour support added
* improved console and operation
* auto cursor off after 5 s
* improved fax stop
* JPEG load and save added
* new SSTV modes now have 4:3 aspect ratio
* visible memories in SSTV modes
* manual sync for new SSTV mode added
* SSTV auto mode added
* shareware version also support S1
* various bugs removed
* beta release 2.0 for The Netherlands

MSCAN 1.3p
* release version

MSCAN 1.3pá
* supports COM port IRQ numbers 3, 4 and 5 (not tested)

MSCAN 1.3o
* bug call entry shareware version has been removed
* shareware version also supports mode S1

MSCAN 1.3n
* international release 1.3

MSCAN 1.3ná
* (shareware) MSCAN version for OPAMP/speaker is now called Microscan
* new SSTV modes Martin 1 & 2 and Scotty 1 & 2 implemented (with VIS)
* various bugs for mousesupport removed
* transmitter-on delay of 1s with 1900Hz tone
* new wraase mode implemented for tx (red dot at begin of line)
* bug digitizer menu removed
* support added for Cirrus chipset and VESA mode
* default 240 lpm in SFC FAX mode
* CFAX: 360 lpm added
* digitizer also supported in VGA mode
* bug removed: printing in VGA modes ok
* bug removed: no timing interrupt when pressing <F5><Esc>
* bug removed: memory for endmarker deallocated upon exit
* bug removed: image-quality in VGA auto mode ok
* bug removed: no tx-marker residues at top of screen
* bug removed: clock always reset after tx
* bug removed: maxline ok after IOC change
* Iris videodigitizer source is VHS (was TV)
* bug removed: F2-tx menu now responds ok to keypress
* frequency calculation improved
* spectrum and calfreq options removed
* shareware options changed
* improved picture quality by using DSP
* beta release 1.3 for The Netherlands