
*** Build Information ***
CHDK for d20 fw:100b PID:12866
build:1.7.0-6343 date:Sun, 21 Sep 2025 04:48:43 +0200

*** Camera specific notes ***
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D20 Notes 
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To enter CHDK <Alt> mode use the Playback [>] button.

Playback [>] or Video(REC) [o] button can be configured as <ALT> mode button.

Known bugs
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-

Development notes
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- This is a blind port
- Modemap entry 32776 (MODE_HIGHSPEED_BURST) is not documented in D20 manual but works
- vid_get_viewport_* functions have not been verified.
- aperture_table is not complete: http://chdk.setepontos.com/index.php?topic=9722.msg100580#msg100580
