Controller / User Interface | 4-3
If an alarm condition exists, alarm information in the form of an Up or
Down Arrow (corresponding to a high or low alarm) will appear next to
the oxygen reading on that display line. See the Alarm Key section for de-
tails on setting alarms. If a high hydrocarbon alarm condition is reached,
an Up Arrow will appear next to the high hydrocarbon message.
Auto Ranging Feature
If the oxygen reading falls below 0.5% O
2
, the display switches from the
percent scale to the PPM scale.
Control Unit Keys
This section provides an introduction to the main Series 2000 control unit
keys. Each of these keys provides a menu of choices that can be selected.
When in a menu, enter values by pressing the number keys.
Setup Key
Allows you to set the control unit for your specific application.
Calibrate Key
Allows you to set calibration parameters and to start calibrations.
Alarm Key
Allows you to define parameters that control the alarm relays.
Analog Range Key
Allows you to define parameters that control analog current outputs.
Help Key
Allows you to access control unit on-line help.
Cancel Key
Cancels you out of menu options.
Enter Key
Allows you to confirm menu choices and values.
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