Concoa 5803007, Инструкция по установке и эксплуатации, Страница: 35 / 60

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..Set Alarm 1, CO2, Polarity..
O2 20.9%
..Set Alarm Threshold
Priority..
O2 20.9%
..Set Alarm 1, CO2, Polarity...
O2 20.9%
INVERT
20.9%
5.5.3 Set Alarm Threshold Polarity
Alarm Threshold Polarity determines if an alarm concentration is set above or below a
threshold value. For example, if an alarm of 19.0% for oxygen is selected, the Alarm
Threshold Polarity must be set to
Invert for the monitors alarm to activate when the reading
goes below 19.0%. For CO
2
gases selecting a Normal setting for the Alarm Threshold
Polarity means that the system will alarm when the gas concentration exceeds, goes above,
an alarm set point. This menu will permit the selection of the alarm polarity. To access this
menu from the “Set Formats” menu, push the joystick down to display the
Set Alarm
Threshold Polarity adjustment menu. This will scroll on the digital display.
Push the joystick right to access the first sub menu; Set Alarm 1 CO2 Polarity will scroll on
the display. This is the menu at which to adjust the CO
2
alarm polarity state on the Dual
O2/CO2 Monitor.
To change this value, push the joystick right to display the relay state. The display will indicate
NORMAL. Pushing the joystick down will change the relay state from NORMAL to INVERT.
NOTE: When the CO2 relay state is changed to INVERT, the internal horn and
Orange alarm LED will illuminate.
After entering the polarity push the joystick left to enter the setting. The display will scroll
the following:
Push the joystick down to access the next sub menu;
Set Alarm 2, O2, Polarity will
scroll on the display. This is the menu at which to adjust the second level alarm polarity
state on the Dual O2/CO2 Monitor.
NORMAL
20.9%