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Contrast setting
The contrast can be directly changed by simultaneously pressing the
right button and the Δ-button (too bright) or the ∇−button (too dark).
increase contrast
Operation
To operate an AS-i system a special AS-i power supply is required (e.g.
AC1216). The AS-i power supply supplies the yellow AS-i cable with
energy and implements a data decoupling to the voltage regulator of
the power supply. Standard switched-mode power supplies would
consider the AS-i data signals as interference signals and suppress
them.
Disconnect the power supply before connecting the controller
The AS-i system is operated ungrounded. AS-i + and AS-i - are to
be symmetrical to the ground potential of the installation. Ensure
a low resistance connection of the symmetry point of the AS-i
power supply (terminal shield) to the ground of the installation.
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decrease contrast
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