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我们现在使用的B超大多装有电子测量装置(以下简称电子尺)用以测量器官等的厚度,宽度。在机器使用一段时间或搬动之后重新开机时,有时会发现电子尺的光标(+号或×号)在没有操作的情况下向监视器的上、下或左、右移动,直到移动到监视器的边缘为止。移动的速度:可快,可慢。发生这种故障后,对电子尺的使用会产生较大影响,严重时电子尺根本无法使用。现以日本Aloka～256机为例简要介绍一下操纵杆式电子尺的结构及上述故障的排除。
We are now using B-mostly electronic measuring device (hereinafter referred to as electronic ruler) to measure the thickness of the organ, such as width. When the machine is switched on after a period of use or after moving, sometimes it is found that the cursor (+ or ×) of the electronic ruler moves up, down or left and right of the monitor without operation until it moves to the monitoring The edge of the device. Move speed: can be fast, can be slow. The occurrence of such a failure, the use of electronic ruler will have a greater impact, in severe electronic ruler simply can not be used. Take Japan Aloka ~ 256 machine as an example to briefly introduce the structure of the joystick type electronic ruler and the above troubleshooting.