Metrohm 900 Touch Control Manual - Manual (Page 519)

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32 Appendix
900 Touch Control
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32.9 Diagnosis
System ▶ Diagnosis
The electronic and mechanical functional groups of Metrohm instruments
can and should be checked by specialist personnel from Metrohm as part
of a regular maintenance schedule. Please ask your local Metrohm repre-
sentative regarding the precise terms and conditions involved in conclud-
ing a corresponding maintenance agreement.
The following functions are available:
￭ LCD test
Check the display for faulty pixels (see Chapter 32.9.1, page 503).
￭ Temperature control
Measure the operating temperature of the connected control device
(see Chapter 32.9.2, page 504).
￭ Format storage medium
Format the external storage medium (see Chapter 32.9.3, page 504).
￭ Remove storage medium
Remove the external storage medium safely (see Chapter 32.9.4, page
505).
￭ Touch adjustment
Adjust the touch-sensitive screen (see Chapter 32.9.5, page 505).
￭ Touch screen test
Test the function of the touch-sensitive screen (see Chapter 32.9.6,
page 506).
￭ Software update
Update the software of Touch Control and of the control devices (see
Chapter 32.9.7, page 507).
￭ 822 Curve Simulator
Simulate titration curves for checking titrators (see Chapter 32.9.8,
page 510).
￭ Service
Special functions for the service technician (see Chapter 32.9.9, page
511).
32.9.1 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.