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6. Using Your Alarm (for Digital unit only) – Cont’d
Peak Level Display
Press peak level buon to display the most recent CO reading between 11 – 999ppm. At this
me the alarms backlight display will illuminate to assist.
This feature is useful to help you to know what levels of CO may have been detected in your
absence so correcve acon can be taken (such as servicing your boiler).
NOTE: The peak level memory is cleared to zero if the test and peak level buons are pressed
at the same me, or by removal of the baeries.
CO levels up to 30ppm can occur under normal non-dangerous condions. Such condions
could include nearby heavy traffic, starng a vehicle in an aached garage, starng a fire or a
nearby charcoal barbecue.
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