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Touch Screen Calibration
The 4400 is able to perform calibration to ensure the proper operation of the unit's
Calibration
procedure
touch screen functionalities. The calibration procedure will correct the problem of out
of tolerance touch screen malfunction. Note that errors corrected by this calibration
procedure are specific only to touch screen operation.
Action...
STEP 1: From the Display Setup
Menu (see page 4-6) screen, press
Calibrate Touch Screen.Test if
touch screen recognition operates
properly by applying pressure on
the LCD screen.
• Press Clear to reset LCD
screen and delete display
markings.
• Press Calib to begin touch
screen calibration procedure.
Proceed to Step 2.
• Press Cancel to end calibration
test and return to Display
Setup.
STEP 2: Follow the instruction
Tap Center of Target to begin
calibration. Target object X is
initially located in the lower
middle section of the screen.
• A series of screens will flash
showing movement of the
target object: from the lower
middle section to mid-right and
finally to upper left section of
the screen.
• To end touch screen
calibration, tap the center of the
target object X now located in
the upper left section of the
screen. Proceed to Step 3 on
page 4-8.
CH 4/ Instrument Settings
Result...
MARK164
MARK166
MARK164b
MARK165
Continued on next page
4-7
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