Note: You will need a small flathead screwdriver.
Before changing the battery of your device, please unplug the transformer.
Push in the tab at the top of the device and remove the outer cover.
Find the tab on the inside of the slot at the top and push it up with the screwdriver.
Pull apart the cover and the base.
Locate the battery cover.
Unscrew the cover and pull out the battery.
Remove the wires from the battery terminals.
Attach the wires to a new battery (DJW6-1.2), ensuring the red and black wires match up with the terminals of the same colour.
Place the battery back in the slot and screw on the cover. Note the hole in the side of the cover for the wires.
Replace the cover on the base. Press in until you hear a click.
Replace the outer cover on the base. Press in until you hear a click.
After changing the battery, plug the transformer back in and reset the clock on the device.