Evinrude ICON Pro RPM Gauge User Interface

by James W. Hebert

An overview is presented of the user interface structure of the Evinrude ICON Pro RPM gauge. The ICON Pro RPM Gauge was using software version PGFT47N Rev A 4/27/2011, which was an early release of the product software, when this article was prepared.


The user interface of the ICON Pro RPM gauge is controlled by three front panel buttons arranged at the bottom perimeter of the gauge bezel. A center MODE button is flanked on each side by larger, curved buttons, labeled with an up-arrow or down-arrow icon. Hereafter we refer to the up-arrow button as the [UP] button and the down-arrow button as the [DN] button.

When operating the [UP] or [DN] button their behavior is consistent no matter the duration of the button press. The [UP] and [DN] buttons are used to scroll though lists of choices in the user interface in the control mode, or to scroll though screens (sometimes called pages) of data displays in the operation mode.

The MODE button behaves in two distinct ways, depending on the duration of the button press. A short-duration press of the MODE button produces an action of cancel or next or escape; it typically causes the software to branch to the preceding level of operation. A long-duration press of the MODE button produces an enter or confirm function. The long-duration press, or press-and-hold, is used to make selections from options in the menus or to confirm a selection.


The ICON Pro RPM gauge operates in two distinct modes: operation and control. In the operation mode the LCD display shows data to the operator, according as the gauge has been configured. Pushing the [UP] or [DN] buttons will scroll the display among the preset screens (or pages) of data it has been configured to show. In the control mode, the LCD display becomes a user-interface for configuration of the gauge settings. The ICON Pro RPM gauge is normally in the operation mode and remains in that mode until the MODE button is pressed. Upon pressing the MODE button, the gauge branches into the top menu of the control mode.


The ICON Pro RPM Gauge menu structure is shown below in a single hierarchical view. This mapping may be used to help navigate the menu structure. The top-level menu contains four choices: EDIT, FUEL LEVEL, CONTRAST, and LIGHTING. The EDIT menu is used for gauge configuration. The other three top-level menu chioices are used for day-to-day changes in the gauge lighting or for adding fuel to the fuel manager function.

The menus typically present a choice of options to be selected, a choice of YES or NO for a particular single option, or required use of the [UP] [DN] buttons to set a parameter value. When exiting a menu where a decision was presented, if no selection has been made the gauge will usually prompt with a reminder "Exit menu with no selection made?" The user must confirm with a YES or NO selection in order to leave the menu point. When users have made a selection or entered a parameter value, the gauge will usually confirm by presenting a screen saying "Selection Saved."

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Copyright © 2012 by James W. Hebert. Unauthorized reproduction prohibited!

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Author: James W. Hebert
This article first appeared November 23, 2013.