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Set the camera’s picture-taking mode
to
Av
or
M
.
Press the 550EX’s < > button
and select
M
.
• Pressing the < > button changes the
flash mode in the following loop:
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Press the < > button.
• The manual flash output display blinks.
5. Manual Flash Mode
In the manual flash mode, you can set the flash output from 1/1 (full) to 1/128
power in full-stop increments.
• To prevent overheating and deterioration of the flash head, observe the following limits for
continuous shooting with flash:
(1) At 1/1 or 1/2 output: Max. 15 continuous flash shots.
(2) At 1/4 or 1/8 output: Max. 20 continuous flash shots.
(3) At 1/16 or 1/32 output: Max. 40 continuous flash shots.
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2
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07. F073-E (85~) 02.4.1 2:14 PM Page 93