Apeman LC350 - Keys Introduction; Machine buttons

Keys Introduction
Machine buttons
1. Up
2. OK
3. Home
4. Left
5. Down
6. Indicator
7. Power Switch
8. Menu
9. Return
10. Right
11. Keystone Wheel
12. Focus Wheel
13. TF Card Slot
14. USB Input
15. HDMI Interface
16. AV Input
17. Audio Output
18. VGA Input
19. Power Input
20. Lens
21. Height Adjustment Nut
22. IR Lamp
23. Speaker
17
12
19
20 2221
18
16
15
1413
23
11
6
8
91
7
102
5
43
K
K
TF
USB
HD
AV
3