1.16.
Overview
This section provides the information and processes involved for both Digitally Enhanced (DE) and
HART and Foundation Fieldbus (FF) operation using the 3-button option.
1.17.
Three-Button Operation
The STT850 optional three-button interface provides a user interface and operation capability without
opening the transmitter.
Figure 14
shows the location of the three-button option and the labels for each button.
Revision 3
4 Operation
Figure 14 – Three-Button Option
STT850 Temperature Transmitter User's Manual
Page 21