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Introduction 3
3-3
Introduction
The functions of the various features of the thermo-hygrometer are described below.
Front Panel
The front panel buttons E, A, D, B, C and F are used to select and alter the
functions of the thermo-hygrometer (see Figure 3-1).
avu052.tif
Figure 3-1. Front Panel
The buttons have different functions depending on whether the main screen or the menu
system is displayed.
The functions of each of the buttons from the main screen are as follows:
E - This button is used to display the menu options.
F - This button is used to display the alarm window. With the alarm window displayed
the Exit button can be used to return to the main screen while preserving the alarm events
or the Enter button can be used to clear the alarm events and return to the main screen.
B C - These buttons are used to move among enabled display layouts.
A D- These buttons are used to adjust the display contrast, A for darker and D for
lighter.
The functions of each of the buttons within the menu system are as follows:
E - This button is used to select a menu item, to accept a choice, or save changes to a
parameter.
F - This button is used to return from a menu or window or cancel changes to a
parameter. Pressing the Exit button for a second or so returns from most any menu, menu
function, or window back to the main screen.
A D - These buttons are used to move among menu items or parameters. When editing
some numeric or alpha-numeric parameters, these buttons are used to change a digit or
character.