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16.2
Operating and Display Elements
Touch screen
The TP37 touch screen is used to operate and monitor processes. The touch
screen is operated by means of touching contact–sensitive buttons and input
fields, located on the screen, which are defined in configurations for specific
applications. An additional keyboard is not required.
LEDs
The LEDs located beneath the display indicate the following operating statuses
of the TP37:
TP27, TP37 Equipment Manual
Release 01/00
TEMP
The temperature inside the TP37 has exceeded the permissible limit value;
the monitoring relay has tripped (see Section 12.2.1).
DISK
Write/read access to memory card.
HD BUSY
No function currently assigned.
POWER
The TP37 in operation.
Unit Description
16-3
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