Technical Specifications of the 4.3” Hands-Free Monitor and 2-Wire System with NFC CR7721 Chornos Series by Comelit
| HANDS-FREE CHRONOS MONITOR 4.3. 2 WIRE | |
| ELECTRICAL CHARACTERISTICS | |
| Supply voltage | 33VDC |
| Stand-by absorption (W) | 0,03 |
| Maximum absorption (W) | 9,2 |
| HARDWARE FEATURES | |
| Button type | Mechanic |
| Total buttons (n°) | 6 |
| Backlight color | Green, Red, White |
| Terminals | L L CFP CFP |
| Removable terminals | Yes |
| Number of entries (n°) | 1 |
| SETTINGS | |
| Speaker volume | Yes |
| Ringtone volume | Yes |
| Brightness of the screen | Yes |
| Screen contrast | Yes |
| Screen color | Yes |
| NETWORK AND COMMUNICATION PROTOCOLS | |
| Programming user functions via OSD menu | Yes |
| Programming installer functions via OSD menu | Yes |
| Function programming via NFC and MyComelit app | Yes |
| ENVIRONMENTAL AND COMPLIANCE CHARACTERISTICS | |
| IP protection index | IP30 |
| Operating temperature (°C) | 5 ÷ 40 |
| ENVIRONMENTAL AND COMPLIANCE CHARACTERISTICS | |
| Operating humidity (RH max) (%) | 25 ÷ 75 |
| Environmental class | I (B1) |
| CE Certifications | RoHS II - 2011/65/UE (EN IEC 63000:2018), EMC 2014/30/UE (EN 61000-6-1:2007 , EN 61000-6-3:2007+A1:2011) |
| GENERAL CHARACTERISTICS | |
| Door opening | Yes |
| Automatic door opening on call (Doctor) | Yes |
| Silent mode (Privacy) | Yes |
| Auto start | Yes |
| Concierge switchboard call | Yes |
| Intercom calls | Yes |
| selective intercom call | Yes |
| panic call | Yes |
| Input for call from the floor bell | Yes |
| Customizable doorbell | Yes |
| Automatic answer (hands-free) | Yes |
| Actuator control | Yes |
| open door sign | Yes |
| Audio signaling | Yes |
| Video signs | Yes |