preset count

基本解释

They then count back automatically from the preset time.
然后，他们回到计数自动从预设的时间。
The encoder first calculates the frame size for the preset's Frame Duration and then compares the resulting sample count with the Frame Size Limit value.
编码器首先由预设值的帧持续时间计算出帧大小，然后拿结果的采样数与帧大小限定的值作比较。
This machine has many functions of photo - electricity auto tracking, deviation, magnetic powder brake and clutch to control tension, as well as auto, count and preset count etc.
该机具有光电自动跟踪、纠偏、磁粉制动器和离合器控制张力，自动计数和预置计数等功能。
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