Canon POWERSHOT G10 User Manual page 268

266
2
Turn the external flash on and turn the camera
on.
• (red) appears on the LCD monitor.
3
Turn the mode dial to the desired mode.
Speedlite 220EX*
• The maximum flash synchro shutter speed is 1/250 second.
• The flash will automatically adjust its output when [Flash
Mode] is set to [Auto].
• When [Flash Mode] is set to [Auto] the flash exposure
compensation can be adjusted. When [Flash Mode] is set to
[Manual], the flash output can be adjusted
• In
output of an externally mounted flash can be adjusted in the
flash output adjustment screen
aperture values and ISO speeds for the distance to the
subject, refer to the guide number listed in the flash's user
guide (adjustment can be made on the camera only).
You can also adjust the flash output even when the camera is
set to the E-TTL automatic flash exposure compensation
mode by changing the flash exposure compensation setting.
* You can also use the 380EX, 420EX, 430EX, 550EX and 580EX.
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mode or when [Flash Mode] is set to [Manual], the
(p. 113).
(p. 113). For the optimum