15Preparing the Camera, Basic FunctionsPreparing the CameraInstalling the BatteriesInsert four AA-size alkaline batteries(supplied with the camera) or separately soldnickel metal hydride (NiMH) batteries.1 Be sure that the camera power is off.2 Slide the batterycover lock in thedirection of thearrow, and openthe cover.3 Insert the batteries as shown.4 Close the battery cover.Positive end (+)Negative end (-) Proper Battery Handlingz Use AA-size alkaline or Canon AA-size NiMHbatteries (sold separately) only. For informationon handling the AA-size rechargeable NiMHbatteries, see Using Rechargeable Batteries(p. 132).When the upper indicator blinks green, donot turn off the power or open the batterycover. The camera is writing, reading,erasing or transmitting an image to or fromthe CF card.z The use of the separately sold ACAdapter Kit ACK600 is recommended topower the camera during long usagesessions (p. 134).z The separately sold battery charger kitlets you use rechargeable NiMHbatteries to power the camera (p. 132).z See Battery Performance (p. 144).z For information about the Battery andCharger Kit and AA-size rechargeableNiMH batteries, see the System Map(separate from this guide).