How do I stop my Promethean board from going to sleep?
How do I stop my Promethean board from going to sleep? To change the standby and sleep settings:Open the Unified Menu and tap the Locker icon on the dock.Tap the Settings app.Select Display.Tap Advanced to reveal more settings.Select Standby and Sleep Timers.Use the slider to adjust the Standby Timer and the Sleep Timer to the desired period of time. How do I reset the lamp hours on my Promethean Projector? Press the MENU button on the remote control and use the arrow keys to move to Installation II. Use the arrow keys to move down to the Advanced option. Press...