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9 HMI Menu Navigation Buttons (Capacitive Touch Keys)
The ERX 350 has six capacitive touch keys (button) that are used to operate the HMI.
Figure 9-1: HMI Menu Navigation Buttons
When the HMI is inactive (units is displaying normal Recorder screen) – the six keys are in a ‘locked’
state and are considered disabled. See next section on enabling (unlocking) the HMI keys to access the
various levels.
The following table lists main menu keys.
Keys
Description
Up and Down Arrow keys:
Navigate Up or Down menu tree and scrolling through lists
Increase / decrease digit values
Main menus allow navigating in reverse direction (roll backwards)
Left and Right Arrow keys:
Move cursor left or right to next or previous digit or decimal point
OK (Enter) key:
Used for accepting input entries
Confirming menu selections
Escape (Esc) key:
Used to exit back / escape out of a menu node (go back one tree branch)
Cancel an entry
9 HMI Menu Navigation Buttons (Capacitive Touch Keys)
Honeywell
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