DCN 141-01128-04 10/6/08
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Operation
Thermostat Control Buttons
The Thermostats buttons are “Soft Keys” meaning that they change functions when you change screens.
The function of the button is defined by “on-screen labels” that are dynamic and change when you change
screens.
LEDs
The Thermostat has four LED’s that displays status information. The LEDs have dynamic “on-screen”
labels that can change with the screen being displayed.
“Screens”
A unique feature of the Thermostat graphical display is the ability to have multiple display screens. In
addition to a main thermostat control screen, menus and other control screens for special functions are
provided. This makes an intuitive and easy to use “user interface”. It allows the many functions of the
Thermostat to be easily navigated.
The main screen is the Thermostat Control Screen. From this screen you can access a menu screen that
will list other control screens or setup screens.
Thermostat Control Screen
This is the default main screen and the only screen needed for basic thermostat operation (temperature
setting and heat/cool mode selection). All other screens will automatically timeout and return this screen
after 120 seconds of no activity.
Minimized Thermostat Screen
The main thermostat screen will go to a “minimized” screen after a 30 second timeout period. This
presents a simple uncluttered display of the current room temperature and outside temperature (if an OT
sensor is attached). This minimized screen can be disabled if desired.
Pressing any button when the minimized screen is displayed will causes the Thermostat Control screen to
be restored and displayed.
Menu Selection Screen
Pressing the Menu button on the Thermostat Control Screen will go to the Menu Selection screen. This
screen presents a list of the other functions or setup screens that can be selected.
Schedules Screen
This screen is used to view and edit the time based setback schedules for the thermostat.
User Settings Screen
This screen is a submenu of user settings for the initial setup of the thermostat. You can set the clock,
minimized screen timeout, Fahrenheit or Centigrade selection, sensor calibration and display settings.
Thermostat Info Screen
This is a quick reference list of the thermostat firmware versions and setup.
Each Thermostat screen is described in more detail in the following sections.
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