LEGRAND 430 610 Guia De Inicio Rapido página 8

FAQ
Stripe exists or totally no signal?
- Check if power supply is normal,if power LED is on.
- Make sure video+ and video- is correctly connected.
- If BNC connection is normal.
Any potting or glommy image, or drop shadow beside any object?
- Redo the adjustment according to adjustment diagram.
- Choose better quality UTP cable (F/UTP , cat5e).
- The real distance exceeds allowed transmission distance.
Good image in day, but bad in night?
- Check power supply of cameras.
- Check power supply of transmitter and receiver;
How long can be the coaxial cable from camera to transmitter?
- Should be less than 50 m, depending on the quality of cable.
If should connect the device with ground?
- Yes, the device should be grounded, or else it may affect best surge protection.