7 Maintenance
7-2. Maintenance (regular maintenance) mode
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7-2. Maintenance (regular maintenance) mode
The maintenance mode allows for checking the status of the monitor and adjusting and changing the
settings.
How to enter maintenance mode
To enter the maintenance mode, use the following procedure.
1
Keep the MODE button pressed (for three seconds) in
the measuring state.
The user mode is displayed.
2
In the user mode, press the
˄
button three times.
3
Press the SET button.
4
Hold down the SET button (for three seconds).
The monitor enters the maintenance mode.
5
To select items in the maintenance mode, press the ˅ or
˄ button to display setting and check items.
<Test Functions (2-0 TEST)>
Perform the following tests.
2-00: Gas test
2-01: Alarm test
2-02: Fault alarm test
2-03: Display test
2-04
: Not used.
Refer to gas "Test functions" (P.45) for details.
<Air Calibration (2-1 ZERO)>
Perform the air calibration.
Refer to "Zero adjustment" (P.48) for details.
