![background image](http://html.mh-extra.com/html/benq/mu641/mu641_user-manual_2734749009.webp)
9
Introduction
Projector exterior view
1. Lamp cover
2. Vent (air exhaust)
3. Adjuster feet
4. Projection lens
5. IR remote sensor
6. External control panel
(See
Controls and functions on page 10
7. Focus ring
8. Vent (air inlet)
9. HDMI-1 input port
10. HDMI-2/MHL-input port (for HDMI dongle)
11. USB Type A port
12. USB Mini-B port
13. RGB (PC) signal input jacks
14. RGB (PC) signal output jack
15. RS-232 control port
16. S-Video input jack
17. Video input jack
18. Audio input jacks
Audio output jack
19. AC power jack
20. Kensington anti-theft lock slot
21. Ceiling mount holes
7
6
19
3
21
3
3
8
3
3
5
4
9
11
14
12
16
13
17
15
10
18
21
21
3
3
3
21
21
21
20
1
2