User Guide

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11 Buttons and status LED’s
11.1 Buttons
11.1.1 Volume up
The Volume UP button (S5) is used to control the audio volume of the DB8.
11.1.2 Volume down
The Volume Down button (S7) is used to control the audio volume of the DB8.
11.1.3 Power Button
The push-button S6 serves as the power-on/off/sleep button. Upon applying power to the board, the boot process will
start. Once the board is powered on and booted up:
Sleep/suspend
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You can put the device to sleep by pressing this button momentarily.
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You can wake the device from sleep by pressing this button momentarily.
Power Off/On
Option 1: Long press/hold
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While the device is awake, pressing and holding the power button S6 for longer than 15 seconds will result in the
device powering off.
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Once powered off, pressing and holding the power button S6 for longer than 15 seconds will result in the device
powering on.
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While the device is awake, pressing and holding the power button S6 for ~2-3 seconds seconds will result in the
user interface displaying the ‘power off’ notifier:
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Using a mouse, clicking on this notifier will cause the DB8 to power off.
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Once powered off, pressing and holding the power button S6 for longer than 2-3 seconds will result in the device
powering on.
11.1.4 Entering Fastboot
Holding down power and volume down buttons at power of the DB8 will force the device to enter fastboot mode.