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Trouble | Possible Cause | Suggested Solution |
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When the camera is connected to a computer, and/or the camera is being operated with the AC battery charger/ adapter, a studio flash connected to the PC terminal will not go off, or goes off only once and then freezes.
Polarity is reversed in the studio flash — a condition that becomes apparent when the camera system is grounded.
You can confirm this condition by operating the camera with the flash after disconnecting the AC adapter and the computer; the flash should then operate normally.
If the plug is reversible, reverse the plug where the sync cord plugs into the flash.
Or, use a commercially available IR slave or radio slave.
You have other problems | A | Check with a Canon authorized |
with a flash. | incompatible | service facility for compatible |
| electronic flash is | equipment. |
| being used. |
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