Key define :
Battery indicator of Keyboards define
1. When put the AA x 2 batteries, plus power switch "on" of keyboard. The Indicator will be light on
" green" for 10 second. After 10 second, it will be light off for normal operation.
2. When battery pack is during low battery, the indicator will be flash light on until without power.
Please make sure to put the new battery pack into keyboard battery slot.