Connect the power cable to the socket at the rear of the instrument (left in diagram) for AC
power connection. To switch the instrument on and off, press the rocker switch (right in the
diagram) - I for On and O for Off.
Note: For optimum performance always keep the gas and power supplies to the instrument switched on.
Emergency STOP button
The red STOP button is located on the right side of the instrument. Should the need arise to stop the
machine at any time during operation, press this button. An audible click can be heard as the button
locks in position. The instrument should then be disconnected from the power supply. Once
disconnected, unlock the button by turning it clockwise. The instrument can then be reconnected to
the power supply and restarted.
User interface
Switching ON and OFF
The instrument has a power switch located at the rear of the left side of the base. The LED on the
instrument measurement start button is illuminated when the instrument is powered ON.
Note: It is recommended to keep the instrument powered ON at all times, unless the instrument is to be moved to
another location, if it will not be used for a long period of time, or if maintenance procedures need to be carried out
inside the instrument.
Instrument auto check
When the instrument is powered ON it goes through a number of
startup procedures to check all components are installed and
functioning correctly.
The right side of the screen lists each of the instrument
components that are being checked and a colored indicator to the
left of each component shows the current status:
• Green - the component is installed and working correctly
• Yellow - the component is in the process of being checked
• Red - there is a problem with that particular component
• Blue - the component has not yet been checked
If any errors occur on startup that mean that the instrument
cannot function correctly, a warning screen will be displayed
indicating the next course of action.
Note: Once the instrument is switched on you will need to wait until the oxygen sensor residual value reaches the
threshold of 0.1 mbar. This operation can take as much as two hours depending on the instrument and sensor
conditions prior to startup.
Touch screen
The front panel is a TFT VGA (640x480 pixels) color display and touch screen.
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