TURNING ON THE FIELD PEN:
Click the button five times quickly to turn the Field Pen on/off.
CHANGING TEMPERATURE SETTINGS:
Click the button three times quickly to cycle through the temperature settings. The Field Pen has three different settings: GREEN=Low YELLOW=Medium RED=High.
CHARGING THE DEVICE:
The LED light will blink when plugged in and charging. LED light will stay solid green when charge is complete.