Daewoo dvg-5200s ユーザーズマニュアル

You may change the pitch to adapt to your voice

•  Push         to raise the pitch.

Each time you push the button, the pitch is raised by one step. It can be raised
by 7 steps at the most.

•  Push        to lower the pitch.

Each time you push the button, the pitch is lowered by one step. It can be raised
by 7 steps at the most.

•  Retune to the preliminary atonic-tone.