ViTiny UM06 User Manual page 21

1.5.3 Assemble LED cover
After power cable plugged onto LED board, grip the other head of power
cable ○ and screw the LED cover ○
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1.5.4 Change object lens
Remove the original object lens ○
then screw lens tight. Please beware of dust into lens.
back.
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and replace with object lens 10x ○
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