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3.Select either step A or B below depending on the environment in which you will use the camera back.
A.Indoors. Connect the camera back to the AC battery charger/ adapter as described in chapters 4 (Macintosh) or 5 (PC); leave it connected while you operate your camera. The camera back will be ready for operation almost immediately. However, if you are beginning with a dead battery (you notice unusual random characters on the camera back LCD), follow special charging instructions in chapters 4 (Macintosh) or 5 (PC).
NOTE: The AC adapter supplies enough power to support operation of the camera back as well as to continue charging the camera back battery. Once the battery is fully charged, the AC adapter automatically switches to a slow trickle charge.
B.In the field without the AC battery charger/adapter. Before you go into the field, you should charge the battery fully as described in chapters 4 (Macintosh) or 5 (PC). Charging the battery for one hour will ensure the most images per charge.
4.Wake the camera back if needed by following the instructions in this step.
If the camera back is connected to the AC battery charger/adapter and/or to your computer which is on, the camera back is awake. However, if it is not connected to either device, you must wake it. Wake it by following either step A or B below depending on the type of camera you have.