Depending on how you press the [POWER] button of the KATANA-AIR EX, you can switch between unlit (off) > lit green (on) > lit orange (standby mode) > lit green (on) or unlit (off).
NOTE: It cannot directly switch the indicator unlit (off) from the state where it is lit green (on). To turn off the power in the following order: lit green (on) > lit orange (standby mode) > unlit (off).