When using your micro SD card, please write "SCORER SDK" to the micro SD card. In addition, since special software is required when writing, please install software in advance.
Recommended software for writing: Etcher ( https://etcher.io/ )
1) Connect the PC and micro SD card using a card reader or the like.
2) Go to the SCORER SDK offer site and click the [Image Download] place [Raspberry Pi 3] button to download the file.
SCORER SDK offer site: http://downloads.scorer.jp/sdk.html
3) Activate Etcher, specify the data to be written and the device to be written, and click the [Flash!] Button.
①Select image (data to be written)
②Select a Drive (device to be written)
③Flash! (Write execution)
4) When the installation completion screen is displayed, set the micro SD card to Raspberry Pi.
⇒ When installation of SCORER Edge is completed, install the smartphone application "SCORER Starer" and make various settings.