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6 Operation
917 Coulometer
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ï¿ Confirm the message with [OK].
The main dialog is displayed:
Switching off the instrument
CAUTION
The 917 Coulometer must be switched off by pressing the power
switch on the rear of the instrument before the electricity supply is
interrupted. If this is not done, then there is a danger of data loss.
Proceed as follows:
1
Press the power switch on the left-hand side of the back panel of the
917 Coulometer.
The current data is saved and the system is shut down. This process
takes just a short time. At the same time, all other instruments con-
nected to the 917 Coulometer via a USB cable are also being
switched off.
6.2 Fundamentals of operation
6.2.1 Touch-sensitive screen
The entire 917 Coulometer user interface is touch-sensitive. Simply touch
a few of the buttons on the interface to learn how a touch-sensitive
screen reacts. You can always return to the main dialog by touching [ ].
In order to activate an element on the 917 Coulometer user interface, just
touch the screen with your fingertip, finger nail, the eraser of a pencil or a
stylus (special tool for operating instruments with touch-sensitive screens).
CAUTION
Never touch the touch screen with a pointed or sharp object such as a
ballpoint pen.
In the default setting, the software is configured in such a way that an
acoustic signal will be generated every time an active control is touched.
This setting can be deactivated in the system settings (see chapter 7.5,
page 54).
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