SEKURE SX-3100LCD Operator's Manual download pdf (Page 343)

GAS ANALYZER 331

5.0 GAS ANALYSIS MODE

Gas Analysis mode includes options for display and snapshot of Gas Analyzer and, if

selected, combined Gas Analyzer and vehicle data. In this section, use of the Data List,

Snapshot, and Gas Analyzer Zero Bench functions is described. Gas Analyzer

Maintenance and Glossary are described later in this manual.

IMPORTANT: The Gas Analyzer should be zeroed before each test. See Section Zero

Gas Analyzer on page 342.

GAS ANALYZER MENU

All Gas Analyzer functions are accessed through the <GAS ANALYZER> menu.

<1: DATA LIST> Display Gas Analyzer and, if selected, vehicle data.

<2: MANUAL SNAPSHOT> Snapshot Gas Analyzer and, if selected, vehicle data.

<3: SNAPSHOT REPLAY> Replay previously saved snapshot.

<4: TRIGGER POINT> Select Snapshot Trigger Point.

<5: ZERO BENCH> Purge and zero Gas Analyzer sensors.

<9: MAINTENANCE> Perform maintenance.

<0: GLOSSARY> Display glossary of Gas Analyzer terms and abbreviations.

When <1: DATA LIST> or <2: MANUAL SNAPSHOT> is selected and integrated gas

and vehicle data are selected, several preliminary selections are necessary. <SELECT

DATA> allows you to choose the parameters to display. <DATA PHASING> compensates

for Gas Analyzer response time by delaying the vehicle data parameters to coincide with

the gas parameters.

Select Data

Choose the type of data list. <ALL DATA> displays every gas and vehicle parameter

available. <USER DATA> (OBD II vehicles only) allows you to choose which vehicle

data parameters to display. <ROAD TEST DATA> displays a pre-defined subset of

vehicle parameters along with the gas data.

Data Phasing

The Tester has the ability to delay vehicle data until the matching gas data is available.

This is called data phasing. When the vehicle data is phased with gas data, changes in the

vehicle (i.e., increased RPM) are aligned with the corresponding changes in the gas

parameters.

Choose <PHASED> to compute the phase value (time lag) between the vehicle data and

gas data and to delay the vehicle data. Choose <NON-PHASED> to immediately display

vehicle and gas data. Choose <USE PREVIOUS> to phase vehicle data using a previously

calculated phase value. <USE PREVIOUS> only appears as a menu choice if a phase

value has been previously calculated for the currently selected vehicle.

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SEKURE SX-3100LCD Operator's Manual Page 343