Using a Household Power Source dial to OFF Attach the DC coupler to the camcorder. - Press lightly and slide it in the direction of the arrow until it clicks.
Using the Flash The camcorder does not support the ST-E2 Wireless Speedlite Flash Transmitter or the Wireless Sender/Receiver Control function of the Speedlite 420EX/430EX/550EX/580EX flashes. When recording under very dark conditions, as you keep the PHOTO button pressed halfway the AF assist lamp of the Speedlite flash may light on (if recording with autofocus). The Speedlite flash will not go off when the drive mode is set to Auto Exposure Bracketing.
Power/Others Power supply (rated) 7.4 V DC (battery pack) Power consumption 8.4 W (recording with autofocus, HD 20x L IS III Lens mounted HD mode) Operating temperature