Greetings i have a problem .. i have a dlux 1U series model DVR0804LE-AS, 8 channel .. i have customer who wants audio streaming over the net with the camera.. i bought a audio pick up box microphone and connect it to the audio input 1 of the dvr, i connect the pick up box to a 12 volts transformer, but i cant hear no audio when im using the pro surviellence software.. what do im missing???? can somebody help me please?? i need to solve this problem by the end of the week!! thank u!!