Dangbei Mars User Manual page 17

6. Automatic keystone correction failed
a. Ensure that the Camera/TOF on the front panel is not blocked or dirty.
b. The best automatic keystone correction distance is 1.5-3.5m, horizontal ±30°.
7. Autofocus failure
a. Ensure that the Camera/TOF on the front panel is not blocked or dirty.
b. The best autofocus distance is 1.5-3.0m, horizontal ±20°.
8. Intelligent Screen Fit failure
a. Ensure that the projector is correctly positioned, so that the projected image extends beyond the edges of the screen.
b. Ensure that the projection screen has a colored border/frame on all four sides, so that the projector can recognize the frame.
c. Ensure that the red box pattern is within the screen frame, and is not blocked.
9. The Remote Control is unresponsive
a. Ensure that the remote control is successfully paired via Bluetooth connection. If the pairing is successful,the indicator light will not
flash when the button is pressed.
b. If the pairing is unsuccessful, and the Remote Control is at IR communication, the indicator light
will flash when the button is pressed.
c. Ensure that there are no interferences or obstructions between the projector and remote control.
d. Check the battery and installation polarity.
10. Connect the Bluetooth devices
Enter settings, open the Bluetooth option to check the Bluetooth device list, and connect the device.
11. Others
Please feel free to contact us at support@dangbei.com
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