Sanyo MCO-19M Service Manual page 54

Ex. When both CO2 and O2 densities for standard gas calibration are set in 5.0%;
0 In Top Screen, press MENU key and select "Tools".
Press ENTER key to display "Select Tools (1/2)" display and press down shift key ( )
1
To display "Select Tools (2/2)" display.
2 Select "Standard Gas Calibration" column.
3 Press MENU key and select "OK".
4 Press ENTER key to check standard gas pressure in the cylinder automatically.
5 Select "OK" and press ENTER key to perform standard gas calibration.
Select "Cancel" and press ENTER key to cancel standard gas calibration and a device
automatically returns to "Select Tools (1/2)" display.
When a cylinder becomes empty, select "OK" and press ENTER key to check cylinder
and return to Top Screen.
6 Automatic standard gas calibration is started by pulling gas to both CO2 sensor and O2
sensor.
7 When standard gas calibration is complete, buzzer beeps with long tone.
A device automatically returns to Top Screen.
When a cylinder becomes empty, buzzer beeps intermittently and "Err41: Std Gas
Empty" is appeared.
CO2/O2 standard gas calibration is not performed.
Select "OK" and press ENTER key to check cylinder and return to Top Screen.
Note) When a setting value for standard CO2 density is 0.0%, automatic CO2 standard gas calibration will not be
performed.
Note) When a setting value for standard O2 density deviates from 18.0~22.0%, automatic O2 standard gas calibration will
not be performed.
Procedures
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MENU key
Tools
OK
OK
Cancel
OK
OK