
338 GAS ANALYZER
GAS ANALYZER CONTROL HOT KEYS
At any time during the display of gas data, you can switch the analyzer sample from
exhaust gas to ambient air by pressing A!.
You can zero the Gas Analyzer at any time during the display of gas data. This is
accomplished with the A@ keys. This procedure should be carried out before a
snapshot operation or whenever the **ZERO RECOMMENDED** status appears at the
bottom of the data display. The Gas Analyzer requests that a zero be performed after about
every 30 minutes of use or less.
At any time during the display of gas data, you can toggle the pump on and off by pressing
A#. The pump should be turned off whenever the analyzer is not sampling gas or
purging. This prolongs the life of the analyzer and reduces ambient noise.
HOT KEY CHART
In any Data List mode (1, 2, 3, 4, 6):
A! Toggle sample input between vehicle exhaust and ambient air.
A@ Zero the Gas Analyzer (same as 5 from <GAS ANALYZER> menu).
A# Toggle analyzer pumps on and off.
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