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LCD DISPLAY FUNCTION:
When detector is operating normally, the LCD will display
ON or the current CO level if 30 PPM or more is detected. The LCD will display
after five years of operation to alert you that it is time to replace the detector.
Continuously Displays “On”
(below 30 PPM)
Auto. Displays 30 - 999 PPM
(e.g. 30 PPM detected)
Displays “End” When Expires
(five years after activation)
DISPLAY CO LEVEL BUTTON:
To manually display the current and highest CO level
detected as low as 9 PPM, press the
DISPLAY CO LEVEL
button once. The LCD will
display the recorded data in the following order:
1. The current CO level detected within the last minute from 9 to 999 PPM.
2. The highest CO level detected within last 30 days from 9 to 999 PPM.
3. The total length of time the highest CO level was detected, within 10% of the peak,
from 1 to 999 minutes.
Current CO Level
(e.g. 10 PPM detected
within last minute)
Highest CO Level
(e.g. peak of 25 PPM detected
within last 30 days)
Duration of Peak CO Level
(e.g. peak detected
for 60 minutes)
Each reading will appear for five seconds. To erase
the record in memory, press the
Display CO Level
button, and while the readings are being displayed,
press the
TEST/RESET/MUTE
button. The detector
will burst a long beep, and display
.
R
IMPORTANT!
Read all instructions of the complete Owner’s Manual before installation
and operation of this CO detector, including important messages, information about
carbon monoxide, detector functions and operation, how to test and mute detector, what
to do when alarm sounds, limitations of CO detectors, good safety habits, sensor end-of-
life and detector service, description of audible and visual signals, and limited warranty.
