Turning the power on/off
- Before turning the power on, check whether the AC adaptor is connected correctly.
Turning the power on
- Press the [Ā] button.

- The [Ā] button lights up.
Turning the power off
- Long-press the [Ā] button.
- The [Ā] button blinks, and the instrument powers off.
NOTE
When turning off the instrument, do not unplug the AC adaptor or the power cord while the [Ā] button is blinking.