User Guide

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11.1.5 Hard Reset
Holding power and volume down buttons for 15 seconds will force a hard reset of the DB8.
11.2 LEDs
There are two status LEDs and four User LEDs on the DB8. The Status LEDs report the status of the Bluetooth and
Wi-Fi devices onboard. The user LEDs are driven by the SoC directly.
11.2.1 User LED 1-4
The four user LEDs are surface mount Green LEDs, 0603 size, labeled ‘DS2 DS1 DS0 DS3’.
11.2.2 Bluetooth status
The BT LED on the carrierboard is located beside the WIFI LED; this LED reflects the status of the Bluetooth device.
11.2.3 WiFi status
The WIFI LED on the carrierboard is located next to the S1, this LED reflects the status of the Wi-Fi device.
11.2.4 Power Indicator LED
The DB8 contains a power indicato(carrierboard-LED1) to notify the user that power is applied.