Extech Instruments CO200 User Manual page 5

P1.3: Threshold setting for the 'POOR' air quality icon and CO
P1. is used for setting the high CO
3
flashing fan icon, and output relay. The current
Press the ▲ or ▼ button to increase or decrease the threshold. Each press adjusts in 100 ppm
increments. The range is 1000 to 5000 ppm (default is 1000 ppm).
When the value has been set, press the SET button to confirm and return to the P1.
ESC to exit without saving.
Caution: Set the alarm value within the specified range of the CO200 where accuracy is assured.
Out of specification readings are for reference only.
P2.0 Temperature Units
Press the ▲ button in P1.
Press the SET button to access the P2.1 setting mode. The °C or °F will blink (default is °C).
Press the ▲ button to change the units. Press the SET button to confirm the setting or press the
ESC button to exit without saving and return to P1.
P3.0 Real-Time Clock
Press the ▲ button in P1.
SET button and the meter will access P3.
the year, press the ▲ or ▼ button. Press the SET button to save the setting and to enter P3.
press the ESC button to return to P3.
Press the ▲ button from P3.
month, press the ▲ or ▼ button. Press the SET button to save the setting and to enter P3.
press the ESC button to return to P3.
Repeat as above to finish setting the P3.
threshold for the 'POOR' air quality display icon, alarm beeper,
2
mode to access P2.
0
twice to access P3.
0
, showing the blinking YEAR on the lower left. To change
1
without saving the setting).
0
to access P3.
1 2
without saving the setting).
0
(DATE), P3.
3
set value will appear blinking on the display.
for setting the temperature display units.
0
.
0
for setting the real-time calendar clock. Press the
0
. The current MONTH setting will blink. To change the
(HOUR) and P3.
4
5
Alarm
2
0 screen.
3
(MINUTE)
5
CO200-en-US v1.3 1/21
Press
(or
2
(or