User Guide

Table Of Contents

Setup Menu Function

Provides a list from which the user may select the

desired method for zeroing the CO sensor.

• Auto-Zero happens automatically at warmup.

• Manual zero is used to initiate the zeroing process

whenever desired.

Use the UP () and DOWN () arrow buttons to

highlight the desired zeroing method.

Press ENTER to save. Press ESC to quit without saving.

CO AUTO ZERO CO MANUAL ZERO

By default, the Fyrite



InTech



automatically zeroes

all sensors on ambient air when the instrument is

turned on.

The Fyrite

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InTech



can be set to perform and store a

manual zero for the CO sensor. The instrument uses

the stored value to indicate background CO values

after warmup instead of performing an auto-zero on

the background gas.

The COMBUSTION EQUATIONS menu allows the user

to select either Siegert combustion equations or North

American combustion equations.

Use UP () and DOWN () arrow buttons to highlight

the desired option. Press ENTER to select.