Background calibration
Calibrate the sensor while the reading deviates from the actual gas
concentration.
Change calibration and ABC setting
parameter.
Automatic background calibration
Operation Instructions
1.
Power on and Measure:
Connect the USB cable to a PC or a USB to wall adapter to power on the device. After powered on, the bars on the LCD will decrease by degrees
during warm-up. The device will start to measure CO
2
concentration, ambient temperature and relative humidity after warm-up.
2.
Backlight Display Mode:
"
Auto
" auto backlight is the default mode. Press Mode key (
○
2
) to display the current
back-light
mode and then press Mode key (
○
2
) to select
setting modes in sequence:
Auto
AL
on
OFF
. After selecting the mode, it is the confirmation mode. You do not need to press any key to
confirm
it.
2.1
Auto
: The backlight color varies with the CO
2
concentration. <800ppm is green,
good status
;
9
50
ppm~1,400ppm is yellow,
okay status,
>1400ppm is red,
poor status – requires ventilation
.
2.2
AL
: The alarm level is exceeded and the backlight is displayed in red. The default alarm level is 1,400ppm. Please follow the alarm level setting
method to adjust the alarm level.
2.3
on
: The LCD backlight is always on. It is only LCD backlight, without any prompt function. The backlight color depends on the color you select.
(please see the setting of
COL
).
2.4
OFF
: Turn off all backlight functions.
3. Setting:
Press and hold Mode key (
○
2
) to enter the settings. And then press Mode key (
○
2
) to select setting modes in sequence:
COL
(LCD backlight color)
AL
(alarm level setting)
Real-time
ECO
(energy-saving mode). Press Select key (
○
3
) to adjust the parameters.
3.1
COL
: The default LCD backlight color is white. A total of 7 colors are optional. The color order is white
turquoise
blue
purple
red
yellow
green. (Figure 1)
3.2
AL
: The default alarm setting is 1,400ppm. The alarm value can be adjusted from 400ppm to 3,000ppm (the interval is 100ppm). (Figure 2)
3.3
Real-time
:
3.3.1 Set “12 Hour (AM/PM)/24 Hour” by pressing Select key (
○
3
).
3.3.2 The default real-time setting is 0:00(24 Hour Clock). The setting sequence is hour
minute. After setting "hour", press Mode key (
○
2
) to
set "minute" (the interval is 1 hour / 1 minute) (Figure 3). Press Select key (
○
3
) to adjust the parameters. Press and hold Select key (
○
3
)
to quickly set the parameters.
3.4
ECO
: The default ECO setting is “OFF’. Press Select key (
○
3
) to select
“
on
’.
After ECO mode is turned on, the LCD backlight will be dark
during the period from 22:00 pm to 6:00am for saving power. (Figure 4)
(Figure
1)
(Figure 2)
(Figure 3)
(Figure 4)
Note: During the setting process, the device will return to the main screen after 20 sec of idle time.
4.
°C/°F
switch:
P
ress and hold
Select key (
+
)
to switch °C/°F
.
5.
Calibration
4
1.
Plug in and power your device outside.
***Note: Do not breathe directly on your device during the calibration process.
***Note: Do not place the device in direct sunlight.
2.
Allow your device to sit outside for 3 - 5 minutes to allow CO2 levels to adjust appropriately.
3.
Press and hold the Mode key (
MODE
) and then press Select key (
+
) together. When the CO2 calibration value flashes on the LCD, it means
that the calibration mode has been entered.
Содержание IAQMini CO2 Monitor
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