Hatco HDW Series Installation And Operating Manual page 16

OPTIONS AND ACCESSORIES
Changing Between Celsius and Fahrenheit
Use the following procedure to change the air temperature unit
of measure between Celsius and Fahrenheit.
1. Move the Power I/O (on/off) switch to the I (on) position.
• The unit will turn on and the touchscreen controller will
energize and show the Home Screen.
2. Touch the key.
• Enter the password [2 4 8] using
the number keys that appear.
• The Service screen will appear
on the display.
3. Touch the CONTROL key on the
Service screen to access the
Control Settings screen.
4. Choose the desired unit of measure
on the "Units" line:
• Touch the "F" box to select
Fahrenheit.
• Touch the "C" box to select
Celsius.
NOTE: The box for the active unit of
measure is highlighted in green.
5. Touch the key to save the
settings and return to the Home
Screen.
Updating the Firmware
Use the following procedure to perform a firmware update on
the touchscreen controller.
1. Move the Power I/O (on/off) switch to the I (on) position.
• The unit will turn on and the touchscreen controller will
energize and show the Home Screen.
2. Touch the key.
• Enter the password [2 4 8] using the number keys that
appear.
• The Service screen will appear on the display.
3. Touch the FIRMWARE key on the Service screen to
access the Firmware Update screen.
4. Insert the USB drive into the USB
port next to the controller, and
touch the UPDATE key on the
Firmware Update screen.
• The update will begin. When
complete, the touchscreen
controller will restart and show
the Home Screen.
16
English
Form No. HDWM-0121