如我们上一步对USERNAME做的一样，将验证选项卡上的值设为必须，然后在错误消息控制中设定显示验证错误消息。
As we did for USERNAME in the previous step, set the value as required on the validation TAB, and set the control up to display validation error messages in an error message control.
这种错误显示预设控制线路被设定高于5250瓦特。
This fault indicates that the Pset control line was set to level greater than 5250 watts.
当前的存取控制设定禁止您的请求被接受，如果您觉得这是错误的，请与您网路服务的提供者联系。
Access control configuration prevents your request from being allowed at this time. Please contact your service provider if you feel this is incorrect.
当前的存取控制设定禁止您的请求被接受，如果您觉得这是错误的，请与您网路服务的提供者联系。
Access control configuration prevents your request from being allowed at this time. Please contact your service provider if you feel this is incorrect.
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