UEi CO95, Instruction Manual, Page: 4 / 12

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CONTrOLS ANd INdICATOrS
1. pOWEr puSh-BuTTON
• Press “ “ button to switch the unit ON in fresh air outside the property about to be tested. This
lets the meter auto calibrate its sensors properly.
• When turned on the meter beeps four times and displays the top line date, time and model
number. The bottom line counts down from 60 until the sensors are ready to use -
This normally takes 20 - 30 seconds but may take longer as sensors get older. If the meter will
not auto calibrate, its sensors need to be replaced or recalibrated by an authorized repair center.
• When countdown is finished the displays top line shows the last selected function and the bottom
line displays whatever the rotary dial is turned to.
• Press “ “ button again to switch the meter OFF. The display counts down from 30 with the
pump on to clean the sensors with fresh air - If the probe is still connected, make sure the meter
and probe are in fresh air.
• Press “ hOLd/ENTEr ” if you want to stop the countdown and return to taking measurements.
CO95
C A R B O N M O N O X I D E D E T E C T O R
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