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Model 4905-9938 SCM (SmartSync Control Module) converts two conventional NAC inputs into a SmartSync two-wire NAC output. One NAC can be programmed to operate as “on-until-silenced” and would be designated as the horn control (non-coded, on continuously during alarm). A second NAC would be programmed to provide “on-until-reset” operation and would be for the visible appliance (strobe) control (also non-coded, on continuously during alarm). Power is supplied by the strobe control NAC.
Selectable Horn output and Synchronized Strobes. In addition to operating the strobe and the horn independently, the SCM can be switch selected to operate the horns as temporal coded, march time coded
(60 beats/minute), or on continuously. Strobes are activated with 1 Hz synchronized flashes.
