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HFPL3 Date: 191197 Modified: 14052002 Author: pb Notes: na

Firmware - PowerLook III

Version Changes
2.2
20Nov01
Aides device recognition within Windows XP and Mac OS X
1.9
0400
Improvement to scan speed in Fast Mode, when scanning below 1200dpi optical res; support new A/D on rev G mainboard; small improvement to scan quality in transmissive/UTA mode (no further details given). [source: TUP2K011]
1.7
0799
Increases scan speed for Quality mode 600-1200dpi, improves Speed mod calibration method, increases initial (power-on) warm-up time to allow scanner lamp/CCD to stabilise. [source 060899]
1.6
070598
Reduces calibration time by 5 seconds, reduces warm-up time by 20 seconds; stops scanner from always doing complete "warm-up" procedure when swapping from UTA to FB or FB to UTA mode; improves "image shift" problem of image area moving in final scan; solves occasional linking problem with Adaptec 1542CP. [source TU98005]
1.5
010298
Solve problem of "stripes" in scans, improve colour balance across width of scan to prevent green/red cast near left or right hand edge; EEPROM; [source 130398MN, TU980206-001S]
1.4
171297
Modify UTA motor stepping for return to home position, solve "time out" error in batch scan mode, solve problem of lower section of image having a green or red colour cast, introduce pause in tranny scanning to prevent UTA motor "snagging" (chassis stops during scan); change to EEPROM; [source TU971208-020S]
1.3
171297
Reduce acoustic noise in tranny mode when scanning at <600dpi, change motor stepping for returning scanner head to home position, increase UTA lamp warm-up time from 20 to 30 seconds, solve problem of left/right colour balance; EPROM; [source TU971208-020S]
1.2
191197
Modify the algorithm controlling the UTA lamp exposure position to reduce image noise, improve colour image quality; EPROM




.