Why is the touch positioning not correct on my BenQ RP840 Interactive whiteboard?
If the touch positioning is not correct on your BenQ Interactive whiteboard, check that the driver is properly installed and calibrated. Also, ensure that the touch pen is facing the screen correctly.
What to do if the touch function is invalid on my BenQ RP840?
If the touch function on your BenQ Interactive whiteboard is not working, first check if the touch driver is installed and started. Also, make sure that the size of the touched article is comparable with a finger.
What to do if my BenQ RP840 touch function is invalid?
If the touch function on your BenQ Interactive whiteboard isn't working, verify that the touch driver is installed and started. Also, check if the size of the article touched is comparable with finger.
What to do if BenQ RP840 remote control does not work?
If the remote control for your BenQ Interactive whiteboard isn't working, consider these potential solutions: * Ensure the remote control function isn't locked. * Verify the batteries are correctly oriented and not dead. * Make sure you're within range and pointing the remote at the sensor window. * Check for obstructions or strong lighting affecting the sensor. * Turn off any nearby devices transmitting infrared signals.
What to do if my BenQ Interactive whiteboard has no sound?
If there's no sound coming from your BenQ Interactive whiteboard, check these: * Make sure the mute function is off and the volume is up, both on the display and the input source device. * Check all cable connections to ensure they are firmly connected.
What to do if my BenQ RP840 Interactive whiteboard has no picture and no sound?
If your BenQ Interactive whiteboard has no picture and no sound, try the following: * Confirm that the device is powered on. * Check that the signal wire is properly connected and the input source matches. * If using internal computer mode, ensure the internal computer is running.
Why does BenQ Interactive whiteboard machine automatically shutdown?
If your BenQ Interactive whiteboard is automatically shutting down, consider the following: * Check the sleep settings. * Check for any recent power outages. * Check if the automatic shutdown feature is enabled when there is no signal.
What to do if BenQ Interactive whiteboard control panel buttons do not work?
If the control panel buttons on your BenQ Interactive whiteboard aren't working, check if the control panel buttons are locked. If they are, unlock them.
How to fix signal out of range on BenQ RP840 Interactive whiteboard?
To resolve a 'Signal out of range' error on your BenQ Interactive whiteboard: * Verify the display settings are correct. * Ensure the resolution is set to the optimal level. * Adjust the line and field synchronization within the menu.
How to fix horizontal or vertical stripes or image dithering on BenQ RP840 Interactive whiteboard?
To address horizontal or vertical stripes or image dithering on your BenQ Interactive whiteboard: * Check that the signal wire is securely connected. * Ensure there are no electronic devices or power tools placed near the 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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