Special Functions - JUMO B 703571.7 Kurzanleitung

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12 Special functions

12.1 Calibrating the touchscreen
The display on the TFT screen may no longer correspond to the points of contact on the adhe-
sive touchscreen cover.
In this case, the touchscreen must be calibrated.
D >C
EVICE MENU ALIBRATE TOUCHSCREEN
To do this, four interchangeable screen points must be treated as accurately as possible with
a pen wherever an 'x' appears.
The device saves these coordinates and this enables the assignment of the TFT screen and
the touchscreen to correspond again.
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