Internal lighting ensures the display is optimally lit for a clear readout even in unfavourable lighting conditions.The buttons on the front are used for adjustment of the programmable parameters.

• 内部灯光保证了显示屏具有最佳的照明效果,使得用户在低亮度条件下仍能够清楚地读取数值。前板上的按钮用于对可编程参数进行调节。