This is a Federal Signal Modulator 5020. Click on the UV controller to access the control box. Once your inside, click on the first black box with FS on it to access the tones. Press any tone for a sound! To exit the controls, simply just click on the sky. Controls: CODE 1 (Z) Alert CODE 2 (X) Wail CODE 3 (C) Hilo CODE 4 (V) Alternate Wail CODE 5 (B) Pulse CODE 6 (N) Pulse Wail CODE 7 (L) Westminster Chimes STOP (M)
