Canon 30D28135, 30D1785, 9337B001 manual Replacing the Backup Battery, Remove the old backup battery

Replacing the Backup Battery

When the backup battery’s power level runs low, the message “ ” appears on the camera’s LCD panel. If this happens, you will need to purchase a replacement CR2025 battery and replace the backup battery in your camera as follows.

If you replace the backup battery while the camera is connected to a battery pack with power remaining or to a DC coupler, the date, time, and other menu functions will retain their settings.

1 Set the Main Switch to 〈OFF〉.

	2	Open the backup battery chamber
		cover by turning it 45 degrees
		counterclockwise, as shown by the
		arrow in the diagram.
		● Be careful not to rotate the cover more than
		45 degrees.
	3	Remove the old backup battery.
		● Turn the camera so the backup battery
		chamber faces down, and press the edge
		of the battery to remove it.
(+)	4	Insert a fresh backup battery.
(–)		● Make sure the battery’s positive (+) side
		faces up.

5 Close the cover by turning it clockwise, as shown by the arrow in the diagram.

● If the date and time now displayed in the LCD panel are incorrect, you will need to set them. (→38)

The backup battery must be a CR2025 button-type lithium battery.

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