Cue-tone receiver for advertizement Insert in Local CATV broadcasting 1. Once one of cue-tone (high speed-start or stop cue-tones from PP)is received, CT-1 generates a start pulse or a stop pulse which enables Your A/V switcher to choose one of A/V Input from two kind of A/V inputs. next cue-tone would return the A/V switcher previous status. 2. A/V input-2 means a source signal comes from any A/V device generates an advertizement broadcasting program predesignated by SO. 3. Reqired power : 12VDC-300mA, Adaptor. * If you have any question concerning this product, please e-mail. (