Canon SPEEDLIGHT 550EX Instructions Manual page 20

Using the Zoom Button and Wide Panel
G Using the Wide Panel
• If the built-in wide panel is used and the flash head is turned or tilted for bounce flash,
the flash result may look uneven. The LCD panel display will blink as a warning.
• Do not pull out the wide panel too hard. Otherwise, the wide panel may come off.
20
Pull out the built-in wide panel and flip it
down to cover the flash head. The flash
head's zoom setting will be set to 17mm
automatically.
• Using the wide panel disables the <
button.
• Use the wide panel with flash head at the normal
or 7° downward tilt position.
If the wide panel comes off, the
< > button will not work. If this
happens, follow the procedure below.
• Use your finger to push in the panel as
shown by the arrow.
• The <
but the entire LCD panel display will
keep blinking. Take the Speedlite to the
nearest Canon Service Center for
repair.
> button will work again,
>