BRK electronic CO5120PDB user manual Using the CO Memory, What You See and Hear If CO Is Detected

What You See and Hear If CO Is Detected

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If you silence the alarm
	Horn	Silent for about
		4 minutes*
	Display	Shows CO levels
		detected in ppm
	POWER/	Flashes once
	ALARM Light	per second

*Note: After 4 minutes, if CO levels drop below alarm levels, the unit will remain silent and return to normal operation. If CO present still indicates a potentially dangerous situation, the horn will sound again. If CO levels increase during the silence period, the horn will resume sounding.

If alarm levels of CO are detected by an interconnected (remote) alarm

Horn	Sounds loudly -
	4 beeps, pause,
	4 beeps, pause.
	This sequence
	repeats for as
	long as the remote
	unit is in alarm*
Display	Dash remains lit
	at “READY”
POWER/	Shines
ALARM Light	continuously

The “Latching Alarm” Indicator
	Horn	Silent
	Display	Dash remains lit
		at “READY”
	POWER/	Flashes once every

ALARM Light 5 sec., on initiating unit in an intercon- nected series

USING THE CO MEMORY

The CO Memory Feature lets you check the highest level of CO recorded.

To check CO Memory:

1. Press and release the Test/Silence/Scroll button until dash scrolls to “MEMORY.”

2. Press and hold Test/Silence/Scroll button to display Memory CO level.

To clear CO Memory:

1. Press and release the Test/Silence/Scroll button until the dash scrolls to “CLEAR MEMORY.”

2.Press and hold the Test/Silence/Scroll button until the

display shows “CLr.”

NOTE: The highest CO level will be saved, even after a power interruption, until you clear it. DO NOT clear the CO Memory reading if you plan to call someone to investigate a CO problem! Clear the CO Memory reading only

after the investigator has checked your home.

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