系统使用说明： 1、参考点对数：按下此键对数指示灯会闪亮，把后挡位当前

系统使用说明：
1、参考点对数：按下此键对数指示灯会闪亮，把后挡位当前位置用尺量出，把数值输入后按确定键要退出对数状态再按一次对数键就退回主画面。

結果 (英文) 1:

System Description:
a reference point on the number: press this button logarithmic indicator flashes to gear this position with a ruler to measure out the numerical input and press the OK button to exit again on the number of state The number keys to be returned to the main screen.

結果 (英文) 2:

System Description:
1, reference point logarithm: press this key log indicating exhibit of lanterns twinkle, the current location of measured gear, numerical input to identify key to exit the logarithmic state again to log key back to the main screen.

結果 (英文) 3:

System instructions:
1, reference points, logarithmic: press this key logarithmic light shining, measured out gear after the current position with a ruler, once entered press OK to exit the logarithm value press the log key once again returned to the main screen.