{
  "legacy": {
    "write_offset": {
      "new": "-647"
    }
  },
  "ring_codes": {
    "new": "PSRM-024000\tH4 1A 02 IFPI 720L\nPSRM-024000\tH4 1A 01 IFPI L424 IFPI 7207",
    "old": "PSRM-024000\tH4 1A 02 IFPI 720L"
  }
}