How to fix image lacking color or incorrect color on BenQ Interactive whiteboard?
To resolve issues with color on your BenQ Interactive whiteboard: * Check the VGA cable connection for quality and secure connection. * Adjust the chromaticity, brightness, or contrast in the menu.
How to fix background with vertical lines or streaks on BenQ RP840?
To fix a background with vertical lines or streaks on your BenQ Interactive whiteboard: * Select automatic correction in the menu. * Adjust the clock and phase position in the menu.
How to resolve 'Display format that is not supported' on BenQ RP840?
To resolve a 'Display format that is not supported' message on your BenQ Interactive whiteboard: * Select automatic correction in the menu. * Adjust the clock and phase position in the menu.
Why does my BenQ RP840 have image but without sound?
If your BenQ Interactive whiteboard has an image but no sound, try the following: * Check if the mute button is activated. * Adjust the volume using the VOL+/VOL- buttons. * Verify that the audio line is connected correctly.
Why is there no sound with VGA output on my BenQ RP840 Interactive whiteboard?
General| Brightness | 350 cd/m² |
|---|---|
| Response Time | 8 ms |
| Screen Size | 84 inches |
| Resolution | 3840 x 2160 (4K UHD) |
| Touch Technology | Infrared |
| Contrast Ratio | 1200:1 |
| Operating System | Android |
| Speakers | 2 x 15W |
| Connectivity | HDMI, USB, LAN |
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