1. Installing the Model 1547 Traffic Sensor The Model 1547 is a complete traffic detection solution for use with Series 1500 Intercom Systems The sensor s operating temperature range is 20 to 55 C 4 to 131 F A heater may be required in the drive up enclosure for some low temperature applications 1 Using a flat blade screw driver carefully remove the knockout on the bottom of the 1520 Lane Station Plug the 1547 connector into the exposed port on the bottom of the 1520 3 Drill two 5 16 inch holes 3 8 inch apart Center the holes on the 1547 s IR emitter and receiver lenses see detail below Turn the potentiometer on top of the sensor all the way clockwise 5 Using the included hardware mount the 1547 to the drive up enclosure 9 1520 O Ke O O 2 a O L Adjust Potentiometer Knockout 4 J 3 See t IRBeam ee Sensor Cable aaa Mount to horizontal or vertical flat surface Sensor may be mounted vertically Approx as shown or horizontally PP 1 meter 40 in from pavement AudioGp Authority E 2048 Mercer Road Lexington Kentucky 40511 1071 Phone 859 233 4599 Fax 859 233 4510 Customer Toll Free USA amp Canada 800 322 8346 752 527 Website http www audioauthority com 11 06