按下“ ACTION/ON ”执行键1 次，即可开始测距1 次，右上角有模拟激光发射的标志在循环闪烁，表示正在发射激光。
Press the "ACTION / ON" button one time, and begin Ranging 1, the top-right corner of a simulated laser flashes signs in the loop, said it is launching laser.
但是，您可以在索引键的其余列上执行范围扫面。
But, you can perform range scans on the remaining columns in the index key.
使用键执行随机读操作的最常见rpg方法是CHAIN操作。
The most common RPG method for performing a random read using a key is the CHAIN operation.
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