SecurityMan AVLCD Guia do Utilizador descarregar pdf (Página 55)

- 55 -

Interferences in picture or sound

Possible error

• Interferences in terms of horizontal lines and

regular sound interferences.

• Interferences while walking with the LCD-

monitor.

• Large white circle in the middle of the

picture.

• Pale colours or black & white picture.

Action

• The interferences are caused by wireless

internet (WLAN). Change the camera

frequency (see 17) or the WLAN frequency.

• Interferences while walking with the LCD-

monitor is considered normal and will

disappear if you hold it steady.

• The IR-LEDs are transmitting the light

and the phenomenon is considered to be

normal.

• In dark conditions the IR-LEDs will

automatically switch on and this results in

pale colours. In pitch-black surroundings the

picture will become black & white.

1 2 ... 50 51 52 53 54 55 56 57 58 59 60 ... 133 134

Sem comentários

SecurityMan AVLCD Guia do Utilizador Página 55