Service manual

C20
Condential
5-3
(3) Press “right“,’’enter” to select Micro
SD.
(4) Choose "Setting" icon.
(5) In this pattern,press "Up",
"Down","Up","Down","Enter"
(6) The system will come back to left
pattern,then choose "setting"
(4)
(5)
(6)
(3)
(4)
(5)
(6)