Frequently Asked Questions
Q: What should I do if connection fails?
A: Check the following:
- Is the device IP address correct?
- Are the port configurations correct (video and touch ports)?
- Is the network reachable (you can ping the device IP)?
- Is the device-side service running normally?
- Is the firewall blocking the connection?
Q: What should I do if the screen doesn't display?
A: Check the following:
- Is the video port correct?
- Are there any error messages in the browser console?
- Check error information in the
ERRORevent - Confirm the browser supports WebGL (most modern browsers do)
Q: What should I do if touch doesn't respond?
A: Check the following:
- Is the touch port correct?
- Has the connection been established successfully (listen to
STARTEDevent)? - Check if there are touch channel related errors in the
ERRORevent
Q: Errors occur when using in Vue/React?
A: Make sure to use shallowRef/useRef and markRaw to avoid Vue/React reactive system proxying SDK instances.
Q: How to implement group control?
A:
- Set
isGroupControl: truewhen creating the master device client - Call
setGroupControlMode(true)to enable group control mode - Call
joinGroupControl()to add slave devices - Listen to
GROUP_CONTROL_JOINEDevent to confirm devices joined successfully

