No valid source detected in the last 3 minutes. The projector will stay in this mode for 5 minutes. You get a valid source within 5 minutes, the projector will turn on again.

• 前3分钟内未测出有效信号源，投影机将在此模式下保持5分钟，如果在5分钟内获得有效信号源，投影仪将再次接通