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Customizing Your System
Introduction
The menu driven LED Display of the ST 50 and ST 115 systems allows you to easily customize your
system. In Set-Up Mode, you can:
•
Enter, remove or change a Password.
•
Set the Default Temperature scale to °F or °C.
•
Change the Upper and Lower Temperature limits.
•
Enable or disable the Temperature Setback feature and adjust the time-out period (if
enabled).
•
Enable or disable the Auto Off feature and adjust the time-out period (if enabled).
Entering the Set-Up Menu
The following instructions should be performed to familiarize the operator with the system.
1. Place Power Switch in the “OFF” (“0”) position.
2.
Press and hold the Program Key (
) while turning on the Power Switch
(“I” position).
Password
3. The LED Display will display the version of the microprocessor and change to read “P--”
or "EP".
a) If the display reads "EP", a Password has been stored in system memory. The
password must be entered to access into the menu. If the wrong password is entered,
"no" will appear on the display and the system will return to normal operation. If this
occurs, repeat steps 1 & 2 and enter the correct Password.
b) The LED Display reads "P--". Choose one of the following options:
i. Press the Program Key (
) to keep the currently stored Password (including
no Password).
ii. To enter a password, select a 3 digit number as the password using the keypad.
(1 to 999). Make a note of the entered Password.
Temperature Scale
4. The LED Display now shows the stored default Temperature Scale (°C or °F
temperature shown on LED Display). Choose one of the following:
a) Press the Program Key (
) to keep the stored default Temperature Scale.
b) Use the keypad to change the default Temperature Scale.
c) Press and release the Program Key to proceed to the next step
Temperature Limits
5. The LED Display now shows the stored default High ("Hi") Temperature Limit
with the display alternating to show "Hi" and the stored limit. Choose one of the
following:
a) Press and release the Program Key (
) to keep the stored High Temperature
Limit.
b) Adjust the stored High Temperature Limit using the keypad
c) Press and release the Program Key to proceed to the next step.
6. The LED Display now shows the stored default Low ("Lo") Temperature Limit
with the display alternating to show "Lo" and the stored limit. Choose one of the
following:
