In this guide, you will learn how to replace the batteries in this device. Keep in mind that this device can also be powered by a wall outlet if you have the AC adapter cord.
Open the battery compartment by pressing down on the small tab along the upper edge of battery cover.
Remove the old batteries one at a time.
If batteries do not come out or are rusted, remove carefully with a prying tool. If rusty or dirty, clean compartment and contacts with a dry towel.
Insert the new working batteries in the order listed in the diagram on the back of the device.
Put the battery cover back onto the device.
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