求翻译：启用通道，从通道1到通道4，顺序启用和设置，启动选中相应通道前面的复选框。不能在没有设置通道1的情况就去设置通道2，这样系统将提示为不合法的设置。是什么意思？

Enable the channel, from channel 1 to channel 4, in order to enable and set up, select the appropriate channel before starting the check box. Can not set channel 1 in the case went to set the channel 2, so the system will prompt for the illegal setting.

Opening the channel, Channel 1 to Channel 4, enable and settings, boot sequence in front of the corresponding access check box. Not in the situation is not set on Channel 1 to set up Channel 2, so the system will then prompt for no legitimate settings.

Begins using the channel, from the channel 1 to the channel 4, begins using in turn with the establishment, the start selects in front of the corresponding channel the reelection frame.Cannot in not establish the channel 1 situation on to establish channel 2, such system will prompt for the illegal

Enable channel from channel 1 to Channel 4, order and setting is enabled, start checking the appropriate check box in front of the channel. Cannot set channel channel 1 is not set to 2, so will be prompted to set up for illegal.

正在翻译，请等待...