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Date: 6/4/07
Document number: 236
Rev. 002 Organization: S&M
LCD display and menu system
From the top level of the menu each press of the up or down button navigates the
menu system. The menu system is flat i.e. it is a loop of items that can be selected
for modification or selected to display the current values or settings.
Once an item is selected the up and down keys can be used to change the
displayed values of the particular item. After approximately 10 seconds with no
user input (button presses from the user or characters on the serial port) the menu
returns to the main screen which displays gain.