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9
1. Connect the short plastic tubing connected to the regulator
(#MC22) to the reducing connector found in the carry case
(#MEC1007).
2. Connect the regulator to the 20-ppm calibration gas cylinder
(#MC10) as shown in the diagram on the device page
3. To enter the User Menu, press the ON/OFF Power key
and the
Select Function Key
simultaneously. Do not release the key
until the user menu appears.
User Menu
C
C
C
a
a
a
l
l
l
i
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b
b
b
r
r
r
a
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t
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Environment Mode
Breath Hold Time
Set Light colors
Exit
4. Calibrate is already highlighted. Press and hold the Select
Function Key
for at least 3 seconds to confirm the selection.
5. The device will countdown from 15 to 0 and then will display the
calibration icon.
6. Attach the reducing connector to the CO Check Pro and turn the
regulator knob fully counter-clockwise until knob will not turn any
further. This will supply gas to the CO Check Pro at approximately
0.25 L/min.
7. Apply this flow for approximately 20 seconds until the device
beeps then turn the regulator clockwise to shut off the flow of gas.
The device will display the gas concentration reading.
8.
If the reading is not 20 ppm, press the Select Function key
for
at least 3 seconds to accept the new calibration value. The device
will say ‘done’ and then will show 20 ppm.