Texas Automation Products DES-42, Manual, Page: 9 / 24

8
Turning on Power to the DES-42
Before turning on power, read the rest of this chapter carefully to learn how to make the
necessary adjustments and avoid potential problems. We recommend that you read this entire
manual to become familiar with its contents before operating the DES-42.
To turn on the DES-42, perform the following:

Push the toggle power switch up to the “ON” position.
Wait about two seconds for the DES-42 to adjust. After the unit’s circuits settle, the control panel
displays the version of central processing unit (CPU) software and enters Monitoring mode. For a
complete explanation of Monitoring mode and the controls, see Chapter 4,
Using the DES-42
Control Panel.
Caution: If you press the Control Lockout button while the control panel is in Monitoring mode, it
will enter Set Lockout mode. In Set Lockout mode, you can select a three-button
sequence as a code to prevent unauthorized personnel from changing the parameters.
Immediately press Control Lockout again to exit this mode. See Chapter 11,
Setting a
Control Lockout Code , for more information.