![background image](http://html1.mh-extra.com/html/benq/9h-jl877-13e/9h-jl877-13e_user-manual_2734455008.webp)
8 Introduction
Projector exterior view
1. Focus ring and Zoom ring
2. Vent (air exhaust)
3. Adjuster feet
4. Projection lens
5. IR remote sensor
6. External control panel
(See
Controls and functions on page 9
7. Lamp cover
8. Ambient Light Sensor (ALS)
9. Vent (air inlet)
10. Audio input jacks
Audio output jack
11. HDMI 2 input port
12. HDMI 1 input port
13. USB Type A port
14. RGB (PC) signal input jacks
15. RGB (PC) signal output jack
16. RS-232 control port
17. AC power jack
18. Kensington anti-theft lock slot
19. Ceiling mount holes
7
6
19
19
19
9
8
3
3
3
3
5
4
1
2
10 11
12
13
17
18
14
15
16