Dynon Avionics D1 - Manual (Page 20)

Product Tour
4-6 D1 User Guide
Figure 11 - Battery Charge Level / External Power Source Icons
Left Side
SD Card Slot: Used for software updates.
GPS: Connection port for optional external GPS antenna.
Reset: Recessed reset switch.
Mini-USB: Can be used to charge unit from any USB power source (USB cable not provided).
Figure 12 - D1 Left Side (left to right): SD Card , GPS, Reset, Mini-USB
Top
Menu Button: Hold to enter settings menu.
Power Button: Hold to power on and off.