Canon POWERSHOT G12 User Manual page 29

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Using an E×temaHy Mounted Flash (Sold Separately)
Configuring the Extemaimy Mounted Flash (Sold $eparatelyl
The maximum flash synchro shutter speed is 1/250 second.
The flash output will automatically adjust when [Flash Mode] is set to
[Auto]. Flash exposure compensation and safety FE can also be set.
However, when setting flash exposure compensation on the camera, make
sure to set the flash exposure compensation amount on the flash to [+0]
beforehand.
The flash output can be adjusted on the camera or the flash* if [Flash
Mode] is set to [Manual].
* With Speedlite 220EX and 270EX, settings cannot be made on the flash.
h [i_ mode, you can set the flash output on the camera even if the flash
unit is set to E=TTL flash exposure compensation. [E=TTL] will display on
the flash, but the flash wi!l fire at the flash output set on the camera. The
flash compensation amount set on the flash will also change.
Settings available on the camera are as follows.
Flash Mode Auto/Manua!
o o o - o
Flash Output 1/128 *2 to I/1 (in 1/3 steps) 0 0 0 0 0
S ow Synchro On/Off 0 ,4 0 ,4 0
Wiretess Func..5 OnlOff 0 0 0 0 0
Red-Eye Lamp On/Off 0 0 0 0 0
Safety FE On/Off
CIear FlashSettings .7 Resetssettingstotheirdefauttvatues. 0 0 0 0 0
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