Operation; Overview; Three-Button Operation; Figure 17 - Three-Button Option - Honeywell SmartLine ST 800 User Manual

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 800 optional three-button interface provides a user interface and operational capability without
opening the transmitter.
button.
22

4 Operation

Figure 17 shows the location of the three-button option and the labels for each
Figure 17 – Three-Button Option
ST 800 Pressure Transmitter User's Manual
Revision 15