AA batteries may leak corrosive material if used
incorrectly.
Pay attention to the polarity symbols (+ and -) on the battery tray.
Ensure that each battery is installed correctly.
Do not mix batteries of different types.
Do not mix new batteries with used batteries.
Always check that your batteries are installed
correctly, even if the Song Meter Mini 2 powers on. It is possible for the
recorder to briefly power on with some AA batteries installed in the wrong
orientation.