BRK electronic CO5120B - Manual (Page 5)

4
Basic Operation
Normal Operation.
• Horn is silent.
• Red light (LED) is
on continuously.
During Testing
• Horn pattern repeats
twice: 4 beeps, pause,
4 beeps, pause.
• Red light (LED) flashes
once per second during
the 10-second test cycle.
During An Alarm
• Continuous repeating
horn pattern: 4 beeps,
pause, 4 beeps, pause.
• Red light (LED) flashes
once per second while
the unit is in alarm.
In Silenced Mode
• The horn is silent for
at least 4 minutes.
• Red light (LED) flashes
rapidly, once every
second on the initiating
alarm only.
Low Battery Warning,
AC Power ON:
• The horn “chirps”
once a minute.
• Red light flashes once
each time the horn
“chirps”.
Low Battery Warning
AC Power OFF:
• The horn “chirps” once
a minute.
• Red light flashes once
each time the horn
“chirps”.
For a detailed list of all light and horn pattern
combinations, see pages 24-25.