Canon Speedlite EL-5 Advanced User's Manual

Getting Started and Basic OperationsThis chapter describes the preparations before starting flash photography and the basicshooting operations.CautionPrecautions on continuous flash firingTo avoid wearing out or damaging flash heads from overheating, do not fire theflash continuously at full output more than approx. 40 times. After firingcontinuously at full output this many times, stop using the Speedlite for at least 40min.After continuous firing at full output this many times, further continuous firing atshort intervals may activate a safety function that restricts firing. At a firingrestriction level of 1, the firing interval is automatically set to approx. 8 sec. In thiscase, stop using the Speedlite for at least 40 min.For details, see Flash Firing Restriction Due to Temperature Increase.• Charging the Battery• Inserting the Battery• Attaching and Detaching the Speedlite• Turning on the Power• Fully Automatic Flash Photography• E-TTL II / E-TTL Autoflash, by Shooting Mode• Checking Battery Information25