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After a limit value is exceeded, the
screen and a sound alarm can be heard. In order to remove the
alert from the screen from the device, press and hold the
button for approx. 2s.
10. Parameter setting
11. Device serial number reading
Press and hold
of the device on the screen.
12. Restoring factory settings
To restore factory settings press and hold and
time until "DEFAULT" is displayed on the screen and the setting
mode icon
13. Settings reset
To reset the device press the reset button in the rear section of
the device.
14. Carbon dioxide sensor calibration
In order to enter parameter setting follow these steps:
‐ The device must remain in basic mode. Press and hold
button, until the number indicating the year
the
starts flashing, and in the
the upper screen part.
button in the setting mode to move to the
Press the
subsequent parameters or the button to return to the
previous. Perform setting of parameter values with
buttons (value "On" means function activation,
and
"off" ‐ deactivation).
In order to exit the setting mode and save the set
parameters, hold the
changed will be displayed in order, and the main display
will appear at the end (to return to parameter settings,
press and hold
). To return to the main screen, press
for about 2s or let the device return automatically to
the main screen by leaving it inactive for 15s.
and
for about 2 s to display serial number
appears.
Automatic calibration
When the sampling frequency is set to 5s, the meter
operates in fast mode and automatic calibration is
performed every 8 days. It is recommended to connect
the device to the power supply in this mode.
symbol appears on the
setting symbol appears in
button, parameters to be
at the same
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