5
Chapter 3
Operation
Keypad Functions
ON/OFF Key
Press to turn the Model 9555 on and off. During
the power up sequence the display will show the
following: Model Number, Serial Number,
Software Revision and Last Date Calibrated.
Arrow (
ST
) Keys
Press to scroll through choices while setting a
parameter. Pressing the
ST
keys simultaneously
will lock the keypad to prevent unauthorized
adjustments to the instruments. To unlock the
keypad, press the
ST
keys simultaneously.
(Enter) Key
Press to accept a value or condition.
Arrow (
g
or
h
) 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, Applications, Calibration
and Printer.
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.
