cess

hi... I also experience that thing upon my installation at fourth and fifth floor.... may I ask what cause the wavy lines at the video output? my DVR is located at ground floor and the cameras experiencing wavy output is the two cameras at the fourth and fifth floor same location. thanks for the help

the camera was sp-2202 sony and the dvr is from ccdcam... please help me about it., all my wire connections are correct... thanks

hi everyone, i've been having a problem with my ptz camera... i can't control it through dvr.... all protocol are correct... can you suggest an idea to control it? thank you