7. 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:

(2)At 1/4 or 1/8 output:

(3)At 1/16 or 1/32 output:

Max. 15 continuous flash shots. Max. 20 continuous flash shots. Max. 40 continuous flash shots.

1 Set the camera’s picture-taking mode to Av or M.

2 Press the 550EX’s <> button and select M.

Pressing the <> button changes the flash mode in the following loop:

/

3 Press the <> button.

• The manual flash output display blinks.

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Canon 550EX manual Manual Flash Mode, Press the button