Setup Mode - Extech Instruments CO220 User Manual

Setup Mode
Press and hold the SET button for 2 seconds from the normal mode of operation to access the
SETUP mode.
Setting Year
When the two‐digit year number appears, use the SELECT button to increase the year value.
Press SET to move to the next setting
Setting Month
When the two‐digit month appears on the LCD press SELECT to increase the month. Press SET to
save and move to the next setting.
Setting Date
When the two‐digit date appears on LCD press SELECT to increase the date. Press SET button to
save and move to the next setting.
Setting Hours
When the two‐digit hour appears on the LCD press SELECT to increase the hour. Press SET to
move to the next setting.
Setting Minutes
When the two‐digit minutes value appears on the LCD press SELECT to increase the minutes.
Press SET to move to the next setting.
Setting Seconds
When the two‐digit seconds value appears on the LCD press SELECT to increase the seconds.
Press SET to move to the next setting (high alarm below).
High CO Alarm
2
In the SETUP mode, after the date and time are set (as detailed above) the A‐on icon will be
displayed in the upper display. Press the SELECT button to switch the alarm ON or OFF. See
diagram below.
When the alarm is ON, press the SET button to save the setting and move to CO
The meter shows CO
SELECT button to increase the value (press and hold the SELECT button to scroll faster). Press SET
to save and press ESC to return to the normal operating mode.
Now when the reading exceeds the programmed limit the meter will beat once per second. The
meter will sound the alarm until the reading does not exceed the alarm limit, the user changes
the alarm limit value, the alarm is switched off as described above, or the meter power is
removed.
1000 ppm as the default alarm. To change the High Alarm, press the
2
7
alarm setting.
2
CO220-EU-EN V1.3 07/13