image/svg+xml
EU Driver's license (72x105mm)
Cretit card (54x85mm)
PowerShot A640 (70x110mm)
Loading the CHDK Firmware:
MENU
Firm Update...
OK
Mode:
FUNC.SET
Histogram
Zebra
OSD
Half
ON
/OFF
RAW Mode:
Activate
FUNC.SET
Script paramters:
Full
Start a script:
Taking an HDR sequence:
P
Tv
Av
M
C
SCN
P
Tv
Av
M
C
SCN
FUNC.SET
Set MEC to ±0
Set a good exposure(use Zebra mode)
FUNC.SET
Load script exp-bracketing,Number of steps [ =2]Step size (1/3EV) [ 3]
FUNC.SET
Leave shutter speed active!
FUNC.SET
MENU
Full
Display overlays:
Load script exp-bracketing,Number of steps [ >2]Step size (1/3EV) [ 3]
1b)
2)
1a)
*** Main Menu ***
RAW parameters ->OSD parameters ->Histogram parameters ->Zebra parameters ->Scripting parameters ->Visual settings ->Miscellaneous stuff ->Debug parameters ->Reset options to default...
DISP.
MENU
FUNC.SET
MF
Canon PowerShot A640
ON/OFF
P
Tv
Av
M
C
SCN
15"
8"
4"
2"
1"
0.5"
1/4
1/10
1/20
1/40
1/80
1/160
1/320
1/640
1/1250
1/2500
4.5
4.0
3.5
3.2
2.8
6.3
5.6
5.0
7.1
8.0
NR
Blumpsy 2007
Canon PowerShot A640 and CHDK Cheat Sheet
Depending on where you intend to carrythis cheat sheet, you might want tochange the paper size. The example isthe same size as the A640.
Font: DejaVu Sans
Made with Inkscape
The HDR instructions are specific to thescripts you use. You will probably have tochange them, or prefer other instructioninstead.