... position coaxial cable breakpoint length ,test metamorphic of coaxial cable wire , test open cricuit of coaxial cable. Find telephone line, test length ... and zoom) control, can control rotation direction of PTZ, zoom/focus,aperture of video camera, set ball machine menu parameter, set and ... 0.5m or +/-1.5 foot)(AMP,CAT5E 6E wire)Display unitmeter,foot,yardCable scanning testCable scanning testFound the ...