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Yellow update (Upd)
Red status (Err)
On-Board Switch
The on-board switch is connected to the GPIO02. A pull-up on the button normally sets the GPIO02 to be pulled high.
Conversely, the GPIO02 is pulled low when the service (SVC) button is pressed.
Reset Switch/GPIO Button
The on-board switch is connected to the reset circuit. Pressing down the reset button will cause the GPIO07 to go low.
Holding the reset button low for approximately 10 seconds will cause a hard reset. When the board goes into reset mode,
the power LED will be dark until the reset button is released.
All information provided in this reference manual applies to products under development. The characteristics and specifications of these products are subject to
change without notice. BrightSign assumes no obligation regarding future manufacturing unless otherwise agreed to in writing. © BrightSign LLC, 2014
Flashes when the board is being upgraded.
Flashes a certain number of times to indicate which error is occurring. The flash codes are
described below.
2
Unspecified error
3
Network recovery script is preparing to run on a device configured for network recovery.
4
No upgrade file found
5
Failed to load kernel module
6
Board is not capable of running the current firmware version.
7
A piece of on-board hardware is not working.
8
Problem related to the storage device (either the USB drive or SD card)
9
Problem related to the registry/NAND
10 The autorun script encountered a load/run error.
11 WiFi-related error (mainly, WiFi not found on USB)
12 Unable to find a bootable image
BrightSign 4K242, 4K1042, 4K1142
20
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