Canon EOS 7 Service Manual page 62

10.1.6 Battery Chamber
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Battery Loading Procedure
1. Slide the battery chamber cover lever to OPEN and remove the battery chamber cover.
2. To load four size-AA batteries, set the battery spacer to the down position.
To load two CR123A lithium batteries, pull up the battery spacer with your fingers.
3. While inserting the battery chamber cover's side protrusion into the camera, close the
battery chamber cover and slide the battery chamber cover in the opposite direction of
OPEN.
Four size-AA batteries
Battery spacer (down position)
Battery spacer (up position)
Two CR123A lithium batteries
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Fig. 1-33
1-55
Part 1: General Information