Acer K10 manual English

			17
4	The screen of the	•	If you are using a Microsoft® Windows® based	English
	laptop computer		has a different way to be reactivated. Refer to your
	is not displaying		laptop: Some laptop PCs may deactivate their own
	your presentation		screens when a second display device is in use. Each
		•	computer's manual for detailed information.
			If you are using an Apple® Mac® OS based laptop: In
			System Preferences, open Display and select Video
			Mirroring "On".
5	Image is unstable	•	Use "Tracking" to correct it. Refer to the "Image
	or flickering		Setting" section for more information.
		•	Change the display color depth settings on your
			computer.
6	Image has vertical	•	Use "Frequency" to make an adjustment. Refer to
	flickering bar		the "Image Setting" section for more information.
		•	Check and reconfigure the display mode of your
			graphics card to make it compatible with the
			projector.
7	Image is out of	•	Adjusts the focus ring on the projector lens.
	focus	•	Make sure the projection screen is within the
			required distance of 15 to 60 inches (0.38 to 1.52
			meters) from the projector. Refer to the "How to
			Optimize Image Size and Distance" section for more
			information.
8	Image is stretched	When you play a DVD encoded in anamorphic or 16:9
	when displaying a	aspect ratio you may need to adjust the following
	"widescreen"	settings:
	DVD title	•	If you play a 4:3 format DVD title, please change the
			format to 4:3 in the projector OSD.
		•	If the image is still stretched, you will also need to
			adjust the aspect ratio. Set up the display format to
			16:9 (wide) aspect ratio on your DVD player.
9	Image is too small	•	Move the projector closer to or further from the screen.
	or too large	•	Press "MENU" on the control panel. Go to "Image
			setting --> Aspect Ratio" and try different settings.
10	Image has slanted	•	If possible, reposition the projector so that it is
	sides		centered on the screen.
		•	Select "Image --> Auto Keystone --> On" on the OSD
			and correct a projected image with distortion.
11	Image is reversed	•	Select "Image --> Projection" on the OSD and adjust
			the projection direction.
12	Image color	•	Press "MENU" on the control panel. Select
	abnormal		"Management --> Reset" function.
		•	If it doesn't work, please activate "LED Calibration"
			in "Management" setting and wait for 10 seconds.