Fault symptom:
Commercial 42 'professional LCD LD4210MwA comes standard with a remote control, and the display OSD menu can only be accessed through the remote control, there is no solid menu buttons on the display body.
During actual use, you can use the remote control to call the OSD menu-detailed settings 2 (OSD Information)-remote control mode settings to set the remote control to locked. After the lock is set, the remote control does not respond when you press the related control key on the remote control.
How do I unlock a locked remote control? There is no solid OSD menu button on the display body, and no response is made to the buttons on the remote control.
Solution:
After the remote control is locked, you cannot call up the OSD menu again to set the mode. In this case, you need to direct the remote control to the infrared receiver of the monitor,
Long press"
Display"Button,
6 secondsThe above steps can be used to unlock the lock.
Lenovo's other big screen monitors are equipped with models of the same type of remote control. If any model is accidentally locked, refer to this method to try unlocking.
