The Bad Elf receiver has three buttons to the left of the front LCD display. These are your main unit controls. The top button controls power and the LCD backlight, the middle button controls Bluetooth and barometer* settings, while the bottom button controls general GPS functions. More extensive capabilities are available through the free, downloadable Bad Elf utility app available through iTunes.



  1. Power Button
    1. Press and hold this button for 3 seconds to toggle the Bad Elf GPS device ON or OFF.
    2. Press this button momentarily to toggle the LCD backlight ON or OFF.
  2. Bluetooth Button
    1. Press and hold this button for 3 seconds to toggle the Bluetooth radio ON or OFF.
    2. Press this button momentarily to move through the Bluetooth related screens.
  3. GPS Button
    1. Press and hold this button for 3 seconds to toggle the GPS Data Logging ON or OFF.
    2. Press this button momentarily to move through the GPS related screens. Each button can be used as a simple click or as a press and hold action. See the scenarios below for details of operation using the buttons in each context. Additional configuration and features are controlled wirelessly via the Bad Elf GPS utility app.
  4. Antenna
    1. The physical antenna is located on the face of the Elf, in the center of the area beneath the screen.


*Bad Elf GPS Pro+ and Bad Elf GNSS Surveyor Only