•
To open the Free Measurement Screen, select the “Free
Measurement” option from the Gas Analyser Menu (see section
5.1).
-
If the ROTI Rpm and Temperature selection in the General
Settings screen is set to “Standard”, the Free Measurement
screen will be shown immediately.
-
If the Rpm and Temperature selection in the General Settings
screen is set to “8520” , the Engine Speed Measurement Setup
screen will be shown before the Free Measurement screen opens
(see 8.1.1: „Engine Speed Measurement Setup‟).
The Free Measurement Screen displays the current values for the
test parameters that are continuously being analysed by the unit.
These values may be compared with two Limit Sets stored in the unit
memory. Limit Sets 1 and 2 are intended for use with measurements
at high and low engine speeds respectively.
Unlike the MOT specific test procedures, available under the DGA
5000 software, the Free Measurement Procedure does not
incorporate the requirements of any regulatory authority. The upper
and lower limits for each test parameter may be either edited by the
operator or disabled entirely.
Numerical values for the measured gas emissions, lambda/AFR, oil
temperature and engine speed are shown in the nine fields
comprising the bulk of the screen. The field background will be Green
so long as the measured value for a particular parameter falls within
the applied limits but will change to Red if the values fall outside
these limits.
An analog representation of the current test values, in relation to the
applied limits, is given by the coloured bars associated with each
parameter field. The Green section of these bars shows the range of
values falling within the limits whilst the Red sections indicate values
above and below the acceptable range. The relative proportions of
the Green and Red areas will reflect the limits applied. The value
currently measured for each parameter is represented by a thin
Yellow band.
If no limit sets are applied, or if no measurements are available, the
parameter field backgrounds and the analog bars will be Grey.
The current parameter values may be frozen, stored in the unit
memory or printed out at any time during normal operation.
•
To specify the vehicle setup via the Free Measurement Vehicle Setup
Screen, press the “Vehicle Setup” toolbar button (see 8.2).
•
To print test result data, press the Print button (see 5.6).
•
To review or delete data stored in the data buffers, press the “Print
Preview” button to open the The Print Preview Window (see 8.7).
40
THE FREE MEASUREMENT SCREEN
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