ENGLISH
WIRING DIAGRAM
3M228
Operating Controls:
1. Connector Socket
2. Wiring Terminals
3. DC Power Socket
4. Sony 4" flat CRT
5. Power LED
6. Handsfree Volume Control
7. Intercom and Broadcast Button
8. Lock Release Button
9. Video and Audio Monitoring
10. Brightness Control
11. Memory Status LED
12. Contrast Control
13. Infra Red Illumination LED’s
14. CCD Camera
15. Call Button
16. Door Unit Assembly Screw
17. Wall Mount Screws
18. Screw Wrench
19. Cover Label
20. AC Powersupply
Avoid wiring along AC cords
Lock Release Control