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The audio output is fed through an amplifier and sent directly to the audio output jack. It can drive a 32Ω load with a 2V RMS signal.
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There are eight on-board LEDs that indicate the following:
LED | Indication | |
Green power (Pwr) | Displays when the board is powered up and not in reset mode. | |
Green file-system activity (Bsy) | Flashes any time there is file-system activity (on any storage device) | |
Green MicroSD activity (µSD) | Displays when a MicroSD card is present. | |
Green network activity (Svr) | Displays when the player is connected to the BrightSign Network. | |
Green Ethernet activity (Eth) | Flashes when the player is connecting to the network. Displays when connected. | |
Green WiFi activity | Flashes when the player is connecting to the wireless network. Displays when connected. | |
Yellow update (Upd) | Flashes when the board is being upgraded. | |
Red status (Err) | 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 | |
13 | The root file system has failed verification, which is used to detect whether the file system has been tampered with. You can recover a player that is showing this error code by performing a firmware update with secure boot. | |
14 | Boot loader failure | |
On-Board Switch
The on-board switch is connected to the GPIO12, which is pulled low when the service (SVC) button is pressed. Conversely, a pull-up on the button normally sets the GPIO12 to be pulled high.
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