Emerson Rosemount 3490 Series, Reference Manual

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2.3 Control unit front panel
This front panel fascia has an integral keypad, display, and health status LED.
Figure 2-3: Front Panel Fascia
A
C
B
A. 4-line back-lit LCD display
B. Keypad
C. Status LED
2.3.1 Keypad
The membrane keypad has six function buttons ( Table 2-1 ). The buttons are used for
navigating a menu system and for viewing or changing application parameters.
Table 2-1: Keypad Function Buttons
Button What the button will do
When the PV is shown, use the red (enter) button to access the menu system. At
other times, this button is for selecting a menu option and for confirming
something.
When navigating the menu system, the up arrow button is for moving upwards
one line. At other times, this button is for scrolling through a list of alphanumeric
characters or a list of options.
When navigating the menu system, the down arrow button is for moving
downwards one line. At other times, this button is for scrolling through a list of
alphanumeric characters or a list of options.
The left arrow button is for moving left e.g. to another character when editing a
parameter value.
The right arrow button is for moving right e.g. to another character when editing
a parameter value.
When navigating the menu system, use the escape button to return to a previous
menu level and the Full PV display. At other times, e.g. while editing, the button is
for restoring a setting that is being edited.
Control unit overview Reference Manual
January 2021 00809-0100-4841
12 Emerson.com/Rosemount