Setup (Alarm Limit And Temperature Scale) - Extech Instruments CO250 User Manual

SETUP (alarm limit and temperature scale)

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