The following steps explain how to replace the battery on your Castles Saturn 1000 device:
- Power the terminal off by pressing the power button on the left side of the device selecting "Power off" from the menu displayed.
- Remove the rear cover of the terminal by gently squeezing the top left and right corners of the cover and sliding it downward.
- Remove the existing battery by lifting the clip on the left.
- Install the new battery by lining up the pins on the right of the battery and then pushing it into place.
- Re-attach the rear cover by sliding it upward and clicking it into place.
- Power on the device by pressing and holding the power button on the left side of the device until the display turns on.
