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3.3.1 Settings menu
The settings menu contains a view of all user settings of the ST450EC gas detector.
To activate the settings menu:
Highlight SETTINGS in the main screen of the user menu and press
The display shows the following information (max. 4 lines simultaneously):
o SN: Serial number
o TYPE: Sensor/gas type
o RANGE: Measurement range
o UNITS: Measurement unit (ppm/ppb/LEL/Vol. %)
o LOW: Set point low alarm level
o HIGH: Set point high alarm level
o SPAN: Set point span gas
o ZLOCK: Zero lock activation
o SOFTWARE INFO: Software version
o OUTPUT: Signal output of the sensor in nA or µA
To view or change a setting, highlight the desired setting by pressing the
or button and press to select this setting.
The LCD display shows max. 4 lines, scroll up or down by pressing the
and buttons to show the other settings.