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Instruction 24-9351
PCA
4-1
4.0 OPERATION
4.1 Key Pad Functions
Descriptions of the key pad functions are given below. Note that most of
the front panel key pad buttons perform multiple functions as determined
by what screen is being displayed at the time.
Turns the analyzer ON and OFF. Note that there is a 5 second
delay before the instrument actually turns OFF, thus allowing an
operator to turn the instrument back ON by pressing the key
to prevent the accidental loss of test data.
Moves the cursor [z] in front of a menu item up through the
displayed items. This key also increases alphanumeric values in
screens requiring a value change.
Moves the cursor [z] in front of a menu item down through the
displayed items. This key also decreases alphanumeric values in
screens requiring a value change.
Chooses the highlighted item (the item with the cursor [z] in front
of it) in all menus and screens. This key also causes the cursor to
enter the number field in the Maintenance Password Screen, and
causes the cursor to advance to the next field position in screens
requiring multiple alphanumeric entries.
Starts and stops a combustion test when the Combustion Test
Screen is displayed. Pressing this key in any other screen almost
always returns the instrument to the Combustion Test Screen.
However, there are four situations where this key behaves as an
enter key: 1) After entering a correct password in the Password
Screen, press the key to display the first calibration screen.
2) After entering an offset or span value in any of the Calibration
Edit Screens, press the key to store the new values. 3) After
entering a time or date value in the Time/Date Setup Screen,
press the key to store the new values and return the cursor to
the left side of the display. 4) After entering text in either the ID
Setup or User Name Screens, press the key to store the text.
Advances the display to the next menu screen.
Turns the backlight ON and OFF.
Operation