If you want to adjusting display range, please open the front lid. As shown as the follows figure.

在进行显示范围调整时，必须打开前面的活动盖。调节孔如图二。

youdao

If you want to adjusting display range, please open the front lid. As shown as the follows figure.

在进行显示范围调整时，必须打开前面的活动盖。调节孔如图二。

youdao