Proface touch screen how to enter the offline mode

Time: 3/27/2017 3:08:57 AM

Method 1: 0.5 seconds followed by the upper right corner and the lower left corner, or the upper left corner and lower right corner, the system menu, click OFFLINE, you can enter! Method two: boot screen, press the upper left corner or the upper right corner of the second, you can! What type of the <2> series