4 CO210-en-EU_V1.2 8/14
ALARM
The meter features an audible alarm which will give warnings when the CO
2
concentration exceeds
the set limit. There are two settable limits, an upper limit that initiates the alarm and a lower limit to
stop the alarm.
The meter emits beeps and displays the fan icon on the display when the CO
2
level goes over the
upper limit. The audible alarm can be stopped by pressing any key or it automatically stops when
CO
2
reading falls below the lower limit.
If the beeper is temporarily shut down, it will sound again when readings fall below lower limit and
then go over the upper limit again or it the user presses the RESET button for more than 1 second
to activate it.
The fan icon keeps flashing when beeps are manually shut down. It stops only when readings fall
under the lower limit
SETUP
(Alarm level, Temperature scale, Real Time clock)
Hold the SET button, in the normal mode, for more than 1 second to enter the setup mode.
P1.
1
CO
2
ALARM: GOOD LEVEL
When entering the setup mode, P1.
0
and “CO2” are displayed on the LCD. Press the SET button
again to go into P1.
1
for setting the CO
2
upper limit for the GOOD level. The current set value will
be blinking on the display.
Press the LOG/ or MIN/MAX button to increase or decrease the value. Each press adjusts in
100ppm increments. The alarm range is 0 to 700ppm.
When the value has been set, press the SET button to confirm the GOOD limit and to proceed to
P1.
2
for setting the upper NORMAL limit. Press the ESC button to exit without saving the setting.
P1.
2
CO
2
ALARM: NORMAL LEVEL
P1.
2
is used for setting the CO
2
upper limit for the NORMAL level. The current set value will be
blinking on the display.
Press the LOG/ or MIN/MAX button to increase or decrease the value. Each press adjusts in
100ppm increments. The alarm range is 700 to 1000ppm.
When the value has been set, press the SET button to confirm the NORMAL limit and to proceed to
P1.
3
for setting the upper POOR limit. Press the ESC button to exit without saving the setting.
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