4 Operation
4.1 Overview
This section provides the information and processes involved for both Digitally Enhanced (DE) and
HART operation using the 3-button option.
4.2 Three-Button Operation
The ST 700 optional three-button interface provides a user interface and operation capability without
opening the transmitter. Figure 16 shows the location of the three-button option and the labels for
each button.
– Three-Button Option
Figure 16
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ST 700 SmartLine Pressure Transmitters User's Manual
Revision 1.0