Chal-Tec 10004566 Bedienungsanleitung Seite 55

Email server check list
The below info only for your ref.
Usage Maintenance
1. Please make sure DVR keep away from heating source.
2. Clean the internal dust regularly, keep DVR aeration well and be easy to heat dissipate.
3. Please not plug in RS-232 and RS-485 when power is on to avoid any damage to the port.
4. Please check the HDD cable and data cable to avoid the cable aging.
5. Please avoid other electronics device interfere video/audio signal of DVR a.s.a.p., or static electricity and
induced voltage damage to DVR.
6. Suggest user replace BNC cable regularly to keep signal input stable.