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ENGLISH
Thank you very much for purchasing the Sigma EF-500 SUPER EO Electronic Flash. This product is
specifically developed for the Canon EOS series SLR cameras. Depending on the camera model, functions
and operation may vary. Please read this instruction booklet carefully. To add to your enjoyment of
photography, the flash has a variety of features. To make the most of all these features, and to get the
maximum performance and enjoyment from your flash, please read this instruction booklet, together with
your camera’s instruction manual, before using the flash, and also keep it handy for your future reference.
PRECAUTIONS
In order to avoid causing any damage or injury, please read this instruction manual very carefully,
paying attention to the cautionary signs below, before using the flash.
Please take special note of the two cautionary signs below.
Warning !!
Caution!!
Symbol denotes the important points, where warning and caution are required.
Symbol contains information regarding the actions that must be avoided.
Using the product disregarding this warning sign might cause serious injury
or other dangerous results.
Using the product disregarding this caution sign might cause injury or
damage.
Warning !!
This flash contains high voltage circuits. To avoid electric shock or burns, do not attempt to
disassemble the flash. If the outside shell of the unit is broken or cracked, do not touch the
mechanism inside.
Do not fire the flash close to eyes. Otherwise the bright light could damage the eyes. Keep at least
1m/3feet distance between face and the flash unit, when taking a picture with flash.
Do not touch the synchro terminal of your camera when the flash is attached to hot shoe. High
voltage circuitry could cause electric shock.
Never use your camera in an environment where flammable, burnable, gas, liquids or chemicals, etc,
exist. Otherwise, it might cause fire or explosion.
Caution !!
Do not use this flash unit on any camera other than the Canon EOS series cameras; otherwise the
flash may damage the circuitry of these cameras.
This flash unit is not waterproof. When using the flash and camera in the rain or snow or near water,
keep it from getting wet. It is often impractical to repair internal electrical components damaged by
water.
Never subject the flash and camera to shock, dust, high temperature or humidity. These factors
might cause fire or malfunctioning of your equipment.
When the flash is subjected to sudden temperature change, as when the flash unit is brought from a
cold exterior to warm interior, condensation might form inside. In such a case, place your equipment
in a sealed plastic bag before such a change, and do not use the flash unit, until it reaches room
temperature.
Do not store your flash in a drawer or cupboard etc., containing naphthalene, camphor or other
insecticides. These chemicals will have negative effects on the flash unit.
Do not use a thinner, Benzene or other cleaning agents to remove dirt or finger prints from the
component. Clean with a soft, moistened cloth.
For extended storage, choose a cool dry place, preferably with good ventilation. It is recommended
that the flash be charged and fired several times a month, to maintain proper capacitor functioning.