5
Chapter 3
Operation
Keypad Functions
ON/OFF Key
Press to turn the Alnor Model AXD620/Airflow
Instruments PVM620 on and off. During the
power up sequence the display will show the
following: Model Number, Serial Number and
Software Revision.
Arrow (
) Keys
Press to scroll through choices while setting a
parameter.
(Enter) Key
Press to accept a value or condition.
Arrow (
or
)
and
Menu Soft Keys
Press arrow keys to change choices while
setting a parameter. Press the
Menu
soft key
to select the Menu selections, which are
Display Setup, Pressure Zero, Settings, Flow
Setup, Actual/Std Set up, Data Logging, and
Calibration.
Common Terms
In this manual there are several terms that are used in different
places. The following is a brief explanation of the meanings of those
terms.
Sample
Consists of all of the measurement
parameters stored at the same time.
Test ID
A group of samples. The statistics (average,
minimum, maximum, and count) are
calculated for each test ID. The maximum
number of test IDs is 100.
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