Metrohm 900 - LCD Test

32.10 Diagnosis
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900 Touch Control
￭ Remove storage medium
Remove the external storage medium safely (see chapter 32.10.4,
page 519).
￭ Touch adjustment
Adjust the touch-sensitive screen (see chapter 32.10.5, page 519).
￭ Touch screen test
Test the function of the touch-sensitive screen (see chapter 32.10.6,
page 520).
￭ Software update
Update the software of Touch Control and of the control instruments
(see chapter 32.10.7, page 521).
￭ 822 Curve Simulator
Simulate titration curves for checking titrators (see chapter 32.10.8,
page 525).
￭ Service
Special functions for the service technician (see chapter 32.10.9, page
527).
32.10.1 LCD test
System ▶ Diagnosis ▶ LCD test
You can use the LCD test to check the display for faulty pixels. To do this,
various test images are displayed one after the other.
NOTICE
The [ ] fixed key is used to display the preceding test picture; the test
can be stopped at any time with the [ ] fixed key.
Proceed as follows:
1
￭ Tap on [LCD test].
The entire display turns white.
2
￭ Check the display for pixel errors and other irregularities.
￭ Continue the test with [ ].
Other colors and patterns will be displayed one after the other.
3
￭ Repeat step 2 until the System / Diagnosis dialog is displayed
again.
4
￭ Contact your Metrohm representative in the event of faults or
irregularities.