{
  "legacy": {
    "write_offset": {
      "new": "-22"
    }
  },
  "ring_codes": {
    "new": "RO  GDB0007 IFPI L621 IFPI 1G46",
    "old": "IFPI L621 RO GDB0007"
  },
  "serial": {
    "new": "GDB 0007"
  }
}