Inverted color LCD of FT3D

Yaesu FT3Dのファームウェアをアップデート後、なぜか液晶の表示色が反転。
その後、何度か電源を入れなおすことで通常の表示に戻った。

After updating the firmware of Yaesu FT3D, the display color was inverted for some reason.

After the power was turned off and on several times, the display color has been returned to normal.