Operating the IFP
5.2 Operating the capacitive multi-touch screen
IFP V2, IFP V2 PRO, IFP V2 ETH
78 Operating Instructions, 03/2023, A5E46641410-AE
Danger of malfunctions due to incorrect execution of gestures on the touch screen
If gestures are executed incorrectly on the touch screen with multi-touch function, these
gestures may not be recognized or could be recognized incorrectly. The entries made are
then not implemented by the touch device or are implemented incorrectly or in an
unintended manner.
Incorrect execution of multi-touch functions can lead to errors in the operation of the plant
and thus to physical injury.
Observe when operating the capacitive multi-touch screen:
• The touch screen reacts to contact on its surface, not to pressure.
• When using a touch pen: Operate the touch screen only with a touch pen for capacitive
touch.
• Avoid unintended multiple touches, for example, with your knuckles.
Before you start to operate the IFP, make sure you are familiar with the multi-touch
functions of the Windows operating system, as well as with the application to be used and
its functions. Ensure that the gestures which the user executes on the multi-touch screen
are recognized by the application. It is possible that certain gestures need to be trained
beforehand.
Notes on operation
Do not touch the capacitive multi
-touch screen during startup
The IFP automatically calibrates the capacitive multi
-touch screen during startup. The touch
screen is locked during calibration.
not touch the touch screen during startup. Make sure that you do not rest on the touch
screen with the palm of your hand during startup.
Make sure that there are no conductive liquids on the touch screen during startup.
Observe when operating the capacitive multi-touch screen:
• Surface contact with a diameter of about 5 to 20 mm is required for an operator action to
be detected.
• An operation with gloves with a material thickness of <2 mm is detected in most cases.
However, check the usefulness of the gloves you are using.
• To avoid incorrect operation, certain inputs are ignored and blocked from further entry:
– Simultaneous operation with more than 5 fingers.
– Surface contact with a diameter of > 3 cm, for example, resting the palm of the hand
on the touch screen
– As soon as the touch screen is no longer touched, input is possible again.
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