PlayOnTime is a program which plays back a user selected audio file at a user determined time or may be played upon a switch or relay closure. Multiple files and times may be set up. Files may be .wav, .mp2, or .mp3. +5 volts is available between Pin 2 and Pins 18-25 of the Parallel port to indicate play mode or may be used to switch an audio circuit. Thirty day free trial. Cost to purchase is $250.00. Make check payable to KNLR and mail to P.O. Box 7408, Bend, OR 97708. For information contact Terry Cowan at tcowan@knlr.com call 541-389-8873. Download Now.