Specifications

Section 5 — Specifications
5.1 General
Operation Output relay contact closes (NO and C connected) within one second after audio becomes present
and remains closed as long as audio is present. Output relay contact opens (NC and C connected)
at the end of an adjustable delay period after audio becomes absent.
Delay Range 30 seconds to 5.0 minutes in 30 second increments
Indicators Power (Green LED)
Enabled (Green LED)
Audio (Green LED)
Alert (Red LED)
Ports Power/Output
Audio In
Switches In the Normal (out) position the AFS is enabled and the relay closure follows the audio input. In the
Defeat (in) position the system is disabled and the relay is forced into the relaxed state.
Power 12 Volts AC, 0.25 amps max.
Dimensions 19” (w) x 6.5” (d) x 1.75” (h)
Weight 1.5 lbs.
5.2 Audio Input
Inputs 2 (combined)
Type Actively Balanced
Impedance 60 K Ohms
Sensitivity -16 dBv
5.3 Relay Output
Contacts Form C contacts rated at 120 volts AC, 5 amps resistive / 2 amps inductive
AFS-3 Specifications page 5.1