Tview D51TSB - Manual (Page 7)

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3.Raise up the face panel
4.Carry out the face panel
Note: please process the step as the instruct, if force to take
out the face panel will be easy to broken the material and can
not catch the head unit.
Instruction for install and uninstall face panel:
2.The left side of face panel will move out
1: Press the button
The face panel is for security design, the face panel available detachable, press
the button, the face panel will be move out, raise up the moved our side, the take
out the face panel. Please reference the fig. 1,2,3,4, as below: