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Visual Alerting
A Duet Plus can provide a visual indication of
ringing by the connection of an Algo 1126 Strobe
or 1127 Visual Alerter to the SPKR terminals.
Whenever the Duet Plus is activated, the strobe or
alerter will activate. The most common application
is for visual alerting in environments that are
either exceptionally noisy or require noise-free
alerting.
When the Duet Plus warble had been activated the
speaker output can be used to activate the strobe
or visual alerter.
