... Key Pulsing 按键脉冲 Frequency Key Pulsing 多频率键控脉冲 multifrequency key pulsing 多频键控脉冲调制 ...
基于20个网页-相关网页
按键脉冲是通过在一条线上按键而不是旋转脉冲拨号的信令方法。
Key Pulsing is a method of signaling by depressing keys on a line otherwise arranged for rotary pulse dialing.
控制仪通电后数码管显示和按键输入正常: (1)输出LED指示灯没有亮, 电磁脉冲阀也不动作, 则有可能SD-M-3002电路损坏。
After the control device is powered on, nixie light display and key input is normal: (1)Output LED indicator is not lit and electromagnetic pulse valve does not work.
应用推荐