31.8 Diagnosis
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308
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917 Coulometer
6
Tap at any location on the screen to confirm the adjustment.
7
Press [ ] to finish the adjustment.
31.8.5 Testing the touch screen
System â–¶ Diagnosis â–¶ Touch screen test
You can use this test to check the function of the touch-sensitive monitor
screen.
A calibration is not possible with this test. If the Touch screen does not
work correctly anymore, it will need to be replaced. For that please con-
tact your Metrohm representative.
NOTICE
You can use the [ ] fixed key to stop the test at any time.
Proceed as follows:
1
Tap on [Touch screen test].
A red square is displayed at the upper left.
2
Tap on the square as close to the center as possible.
The actual detected point of contact will be displayed by a cross hair,
and the deviation from the center will also be displayed on the lower
edge of the image.
The next red square will also be displayed.
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