The ever decreasing amount of dial-up Internet users continues to push acceptable image sizes up and up.

拨号上网用户数量已经逐年减少，可接受的图像尺寸已经越来越大。

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Take OMRON CPM1A as an example, the changing setting value methods in which we use analog input potentiometer, dial switch and push-switch are introduced.

以OMRONCPM1A为例，介绍了用模拟输入电位器、拨码开关和按钮等方法改变定时器的设定值。

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The use of keys or push-buttons instead of a rotary dial to generate a sequence of digits to establish a circuit connection.

用按键或按钮代替旋转式拨号盘，产生一个数字序列以建立电路连接的方法。

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The use of keys or push-buttons instead of a rotary dial to generate a sequence of digits to establish a circuit connection.

用按键或按钮代替旋转式拨号盘，产生一个数字序列以建立电路连接的方法。

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