Manual flash mode, 0 press the button – Canon 550EX User Manual
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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
confinuous 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.
H Set the camera’s picture-taking mode
' to Av or M.
2 Press the 550EX’s
^ and select M.
• Pressing the
button changes the
flash mode in the following loop:
TTL ---------►
M--------------
►
MULT) -------------- 1
0 Press the
• The manual flash output display blinks
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