Step
Display
Step
Display
press OK
button
long press
OK button
long press
OK button
long press
OK button
⑥
Time setting interface operation
Time
Year:
2013
02
18
09
30
Month
:
Day
:
Hour
:
Min
:
Time
Year:
2013
02
18
09
30
Month
:
Day
:
Hour
:
Min
:
Time
Year:
2013
03
18
09
30
Month
:
Day
:
Hour
:
Min
:
Time
Year:
2013
03
18
09
30
Month
:
Day
:
Hour
:
Min
:
Time
Year:
2013
03
18
Month
:
Day
:
Hour
Set OK.
In time setting interface, press “OK” button
to select year, month and date options, it
turns green after being selected. Press
up/down button to adjust the value and
long press “OK” button to complete this
operation with display of “Set OK”
Short press on/off button to return
function interface.
⑦
Calibration interface setting operation
CH
4
H
2
S
CO
O
2
0.00
20.9
0
0
[ ]
%VOL
[ ]
%VOL
[ ]
PPM
[ ]
PPM
CH
4
H
2
S
CO
O
2
0.00
20.9
0
500
0
[ ]
%VOL
[ ]
%VOL
[ ]
PPM
[ ]
PPM
CH
4
H
2
S
CO
O
2
0.00
20.9
0
[ ]
%VOL
[ ]
%VOL
[ ]
PPM
[ ]
PPM
CH
4
H
2
S
CO
O
2
0.00
20.9
0
0
[ ]
% VOL
[ ]
%VOL
[ ]
PPM
[ ]
PPM
Calibration
Calibration
Calibration
Calibration
Calibration
Calibration
CH
4
H
2
S
CO
O
2
0.00
20.9
500
0
[ ]
%VOL
[ ]
%VOL
[ ]
PPM
[ ]
PPM
500
CH
4
CO
Set OK.
O
2
0.05
20.9
[ ]
%VOL
[ ]
%VOL
In calibration setting interface, press
up/down to select gas name, selected
gas name will turn green and long press
“OK” button, the background of selected
gas will turn red. After the value is stable
press up/down button to adjust the
display value and make it same with
standard gas concentration value.
Long press “OK” button to complete this
operation with display of “Set OK”
Short press on/off button to exit this
operation.
For example:
( CO standard gas concentration is 500ppm)
9