CO250-EU V1.2 6/09
5
SETUP
(alarm limit and temperature scale)
In the normal mode press and hold the
button for more than 1 sec to enter the setup
mode.
To exit the setup mode, press the
CAL/Esc
button when either P1.
0
or P3.
0
is displayed.
P1.0 CO
2
ALARM Limit
When entering setup mode, P1.
0
and “AL” are displayed.
Press the
M
N
/AV
button to scroll to P1.
1
for setting CO
2
alarm threshold. The current
CO
2
set value will be blinking.
Press the
MODE/
▲ button to increase or the
DP/WBT/▼
button to decrease the value.
Each press adjusts 100 ppm. The alarm range is from 100 to 9900ppm. When the
preferred alarm value is set, press the
M
N
/AV
button to exit and save the setting or the
CAL/Esc
button to exit without saving and return to P1.
0
.
P3.0 TEMPERATURE SCALE
Press the
MODE/
▲ button or the
DP/WBT/▼
button in P1.
0
to access P3.
0
for setting
the temperature scale.
Press the
M
N
/AV
button to go into P3.
1
for setting the temperature units. The currently
selected units (°C or °F) will be blinking in the display. To switch units, press the
MODE/
▲ button. Press the
M
N
/AV
button to save the setting or press the
CAL/Esc
button exit without saving and return to P3.
0.
