54
Operation
Defrost/Defog Option
The touch screen is available with a defrost and defog function for users who use the device in
extreme temperature environments. The function is optional and only available upon request.
Enabling Defrost Function
Figure 59. Defrost Function
Defrost/Defog
In extreme cold conditions (moving into a cold environment), press the
button to enable the
defrost function and allow the device to heat up the screen to 2 degrees. The defrost function is
automatically shuts off once the temperature reaches 2 degrees.
Enabling Defog Function
Figure 60. Defog Function
Defrost/Defog
In environments where an extreme temperature changes occurs, cold to hot temperature change,
the display can fog up. To enable the defog function, press the
button to enable the function.
The device heats up to 35 degrees. Once the 35 degree temperature is achieved, the function
automatically shuts off.
Once the device reaches 35 degrees, the function automatically shuts off. Pressing
the Defrost/Defog key does not re-enable the function.