Operating Design
The Mark 3 LTE analyzer is operated
through the keypad in conjunction
with the quarter VGA screen. The
Mark 3 LTE is preprogrammed with
operational and setup software that
enables the analyzer to be custom
configured to meet the particular
needs of the application, environ-
ment or user ability.
Keypad
The analyzer has two membrane
type keypads: the main keypad and
a second that also serves to sealed
the display. The keypad consists of
three dedicated keys, numeric keys,
navigational keys and soft keys.
The following is a description of
each of the key functions:
Dedicated keys:
Each key has a particular function.
Pressing the key once will initiate the
desired action.
Initiates the testing of a sample
Stops a test in progress
u
Press to finalize the entry of
a numeric value
– Selects the highlighted menu
selection in a list
– From the Standby screen will print
the last result
Start|Stop
Numeric and Decimal Point Keys
Numbers from 0 to 9 and the deci-
mal point are pressed either to enter
a specific numeric value or to make
a selection from a list of menu
choices preceded by a number.
Navigational Keys
Four keys are intended to move the
highlighted cursor on the screen in
a particular direction.
Moves the cursor to the right
Moves the cursor to the left
Moves the cursor up
Moves the cursor down
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