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32 Appendix
900 Touch Control
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525
5
Starting the update (900 Touch Control)
￭ Tap on the [Start] button (NOT on the [ ] fixed key).
￭ The message 023-102 Program update is displayed.
￭ Confirm the message with [Yes].
The update process is started, it runs automatically. The device is
automatically switched off and back on during this process, possi-
bly several times. No user intervention is required.
￭ After successfully updating the software, remove the
external storage medium (USB flash drive) from the
instrument.
6
Starting the update (control instruments)
￭ Tap on the [Start] button (NOT on the [ ] fixed key).
If Result = No errors is displayed, then the update has been suc-
cessful.
￭ Remove the external storage medium (USB flash drive)
from the instrument.
￭ Switch the 900 Touch Control off and then back on again.
32.10.8 Simulating titration curves
System ▶ Diagnosis ▶ 822 Curve Simulator
The 822 Titration Curve Simulator (order number 2.822.0010) can be used
as a diagnostics tool for making rapid checks on titrators. The device is
connected in place of the electrode and simulates various titrations.
Details concerning the connection and operation of the curve simulator
can be found in the corresponding manual.
NOTICE
A normal titration method is started. This means that the exchange unit
or dosing unit should be emptied or the corresponding buret tip should
be placed in a sufficiently large collection container.
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