{
  "source": "Ableton_Core/Keys_Manager/lock_fields.json",
  "evidence_scope": "Prior local calibration / official firmware static analysis; not all parameters retested on 2026-10-08",
  "fields": [
    {
      "id": 96,
      "page": "META",
      "label": "None",
      "lockable": false,
      "provenance": "https://www.elektron.se/wp-content/uploads/2024/10/Analog-Four_Analog-Keys_OS1.52_dist.zip",
      "verification": "official OS 1.52 descriptor and lock-writing path; static analysis",
      "firmware_offset": 1405172
    },
    {
      "id": 18,
      "page": "OSC1",
      "label": "Pitch (modulation target)",
      "lockable": false,
      "provenance": "https://www.elektron.se/wp-content/uploads/2024/10/Analog-Four_Analog-Keys_OS1.52_dist.zip",
      "verification": "official OS 1.52 descriptor and lock-writing path; static analysis",
      "firmware_offset": 1405228
    },
    {
      "id": 97,
      "page": "OSC1",
      "label": "Freq Mod",
      "lockable": false,
      "provenance": "https://www.elektron.se/wp-content/uploads/2024/10/Analog-Four_Analog-Keys_OS1.52_dist.zip",
      "verification": "official OS 1.52 descriptor and lock-writing path; static analysis",
      "firmware_offset": 1405284
    },
    {
      "id": 0,
      "page": "OSC1",
      "label": "TUN/FIN",
      "lockable": true,
      "provenance": "https://www.elektron.se/wp-content/uploads/2024/10/Analog-Four_Analog-Keys_OS1.52_dist.zip",
      "verification": "official OS 1.52 descriptor and lock-writing path; static analysis",
      "firmware_offset": 1405396,
      "nrpn": 0
    },
    {
      "id": 2,
      "page": "OSC1",
      "label": "DET",
      "lockable": true,
      "provenance": "https://www.elektron.se/wp-content/uploads/2024/10/Analog-Four_Analog-Keys_OS1.52_dist.zip",
      "verification": "official OS 1.52 descriptor and lock-writing path; static analysis",
      "firmware_offset": 1405452,
      "nrpn": 2
    },
    {
      "id": 4,
      "page": "OSC1",
      "label": "TRK",
      "lockable": true,
      "provenance": "https://www.elektron.se/wp-content/uploads/2024/10/Analog-Four_Analog-Keys_OS1.52_dist.zip",
      "verification": "official OS 1.52 descriptor and lock-writing path; static analysis",
      "firmware_offset": 1405508,
      "nrpn": 3
    },
    {
      "id": 6,
      "page": "OSC1",
      "label": "LEV",
      "lockable": true,
      "provenance": "https://www.elektron.se/wp-content/uploads/2024/10/Analog-Four_Analog-Keys_OS1.52_dist.zip",
      "verification": "official OS 1.52 descriptor and lock-writing path; static analysis",
      "firmware_offset": 1405564,
      "nrpn": 4
    },
    {
      "id": 8,
      "page": "OSC1",
      "label": "WAV",
      "lockable": true,
      "provenance": "https://www.elektron.se/wp-content/uploads/2024/10/Analog-Four_Analog-Keys_OS1.52_dist.zip",
      "verification": "official OS 1.52 descriptor and lock-writing path; static analysis",
      "firmware_offset": 1405620,
      "nrpn": 5
    },
    {
      "id": 10,
      "page": "OSC1",
      "label": "SUB",
      "lockable": true,
      "provenance": "https://www.elektron.se/wp-content/uploads/2024/10/Analog-Four_Analog-Keys_OS1.52_dist.zip",
      "verification": "official OS 1.52 descriptor and lock-writing path; static analysis",
      "firmware_offset": 1405676,
      "nrpn": 6
    },
    {
      "id": 12,
      "page": "OSC1",
      "label": "PW",
      "lockable": true,
      "provenance": "https://www.elektron.se/wp-content/uploads/2024/10/Analog-Four_Analog-Keys_OS1.52_dist.zip",
      "verification": "official OS 1.52 descriptor and lock-writing path; static analysis",
      "firmware_offset": 1405732,
      "nrpn": 7
    },
    {
      "id": 14,
      "page": "OSC1",
      "label": "SPD",
      "lockable": true,
      "provenance": "https://www.elektron.se/wp-content/uploads/2024/10/Analog-Four_Analog-Keys_OS1.52_dist.zip",
      "verification": "official OS 1.52 descriptor and lock-writing path; static analysis",
      "firmware_offset": 1405788,
      "nrpn": 8
    },
    {
      "id": 16,
      "page": "OSC1",
      "label": "PWM",
      "lockable": true,
      "provenance": "https://www.elektron.se/wp-content/uploads/2024/10/Analog-Four_Analog-Keys_OS1.52_dist.zip",
      "verification": "official OS 1.52 descriptor and lock-writing path; static analysis",
      "firmware_offset": 1405844,
      "nrpn": 9
    },
    {
      "id": 24,
      "page": "OSC",
      "label": "AM1",
      "lockable": true,
      "provenance": "https://www.elektron.se/wp-content/uploads/2024/10/Analog-Four_Analog-Keys_OS1.52_dist.zip",
      "verification": "official OS 1.52 descriptor and lock-writing path; static analysis",
      "firmware_offset": 1405900,
      "nrpn": 30
    },
    {
      "id": 19,
      "page": "OSC2",
      "label": "Pitch (modulation target)",
      "lockable": false,
      "provenance": "https://www.elektron.se/wp-content/uploads/2024/10/Analog-Four_Analog-Keys_OS1.52_dist.zip",
      "verification": "official OS 1.52 descriptor and lock-writing path; static analysis",
      "firmware_offset": 1405956
    },
    {
      "id": 98,
      "page": "OSC2",
      "label": "Freq Mod",
      "lockable": false,
      "provenance": "https://www.elektron.se/wp-content/uploads/2024/10/Analog-Four_Analog-Keys_OS1.52_dist.zip",
      "verification": "official OS 1.52 descriptor and lock-writing path; static analysis",
      "firmware_offset": 1406012
    },
    {
      "id": 1,
      "page": "OSC2",
      "label": "TUN/FIN",
      "lockable": true,
      "provenance": "https://www.elektron.se/wp-content/uploads/2024/10/Analog-Four_Analog-Keys_OS1.52_dist.zip",
      "verification": "official OS 1.52 descriptor and lock-writing path; static analysis",
      "firmware_offset": 1406124,
      "nrpn": 20
    },
    {
      "id": 3,
      "page": "OSC2",
      "label": "DET",
      "lockable": true,
      "provenance": "https://www.elektron.se/wp-content/uploads/2024/10/Analog-Four_Analog-Keys_OS1.52_dist.zip",
      "verification": "official OS 1.52 descriptor and lock-writing path; static analysis",
      "firmware_offset": 1406180,
      "nrpn": 22
    },
    {
      "id": 5,
      "page": "OSC2",
      "label": "TRK",
      "lockable": true,
      "provenance": "https://www.elektron.se/wp-content/uploads/2024/10/Analog-Four_Analog-Keys_OS1.52_dist.zip",
      "verification": "official OS 1.52 descriptor and lock-writing path; static analysis",
      "firmware_offset": 1406236,
      "nrpn": 23
    },
    {
      "id": 7,
      "page": "OSC2",
      "label": "LEV",
      "lockable": true,
      "provenance": "https://www.elektron.se/wp-content/uploads/2024/10/Analog-Four_Analog-Keys_OS1.52_dist.zip",
      "verification": "official OS 1.52 descriptor and lock-writing path; static analysis",
      "firmware_offset": 1406292,
      "nrpn": 24
    },
    {
      "id": 9,
      "page": "OSC2",
      "label": "WAV",
      "lockable": true,
      "provenance": "https://www.elektron.se/wp-content/uploads/2024/10/Analog-Four_Analog-Keys_OS1.52_dist.zip",
      "verification": "official OS 1.52 descriptor and lock-writing path; static analysis",
      "firmware_offset": 1406348,
      "nrpn": 25
    },
    {
      "id": 11,
      "page": "OSC2",
      "label": "SUB",
      "lockable": true,
      "provenance": "https://www.elektron.se/wp-content/uploads/2024/10/Analog-Four_Analog-Keys_OS1.52_dist.zip",
      "verification": "official OS 1.52 descriptor and lock-writing path; static analysis",
      "firmware_offset": 1406404,
      "nrpn": 26
    },
    {
      "id": 13,
      "page": "OSC2",
      "label": "PW",
      "lockable": true,
      "provenance": "https://www.elektron.se/wp-content/uploads/2024/10/Analog-Four_Analog-Keys_OS1.52_dist.zip",
      "verification": "official OS 1.52 descriptor and lock-writing path; static analysis",
      "firmware_offset": 1406460,
      "nrpn": 27
    },
    {
      "id": 15,
      "page": "OSC2",
      "label": "SPD",
      "lockable": true,
      "provenance": "https://www.elektron.se/wp-content/uploads/2024/10/Analog-Four_Analog-Keys_OS1.52_dist.zip",
      "verification": "official OS 1.52 descriptor and lock-writing path; static analysis",
      "firmware_offset": 1406516,
      "nrpn": 28
    },
    {
      "id": 17,
      "page": "OSC2",
      "label": "PWM",
      "lockable": true,
      "provenance": "https://www.elektron.se/wp-content/uploads/2024/10/Analog-Four_Analog-Keys_OS1.52_dist.zip",
      "verification": "official OS 1.52 descriptor and lock-writing path; static analysis",
      "firmware_offset": 1406572,
      "nrpn": 29
    },
    {
      "id": 25,
      "page": "OSC",
      "label": "AM2",
      "lockable": true,
      "provenance": "https://www.elektron.se/wp-content/uploads/2024/10/Analog-Four_Analog-Keys_OS1.52_dist.zip",
      "verification": "official OS 1.52 descriptor and lock-writing path; static analysis",
      "firmware_offset": 1406628,
      "nrpn": 35
    },
    {
      "id": 20,
      "page": "OSC",
      "label": "Both oscillator pitches (modulation target)",
      "lockable": false,
      "provenance": "https://www.elektron.se/wp-content/uploads/2024/10/Analog-Four_Analog-Keys_OS1.52_dist.zip",
      "verification": "official OS 1.52 descriptor and lock-writing path; static analysis",
      "firmware_offset": 1406684
    },
    {
      "id": 99,
      "page": "OSCX",
      "label": "Freq Mod",
      "lockable": false,
      "provenance": "https://www.elektron.se/wp-content/uploads/2024/10/Analog-Four_Analog-Keys_OS1.52_dist.zip",
      "verification": "official OS 1.52 descriptor and lock-writing path; static analysis",
      "firmware_offset": 1406740
    },
    {
      "id": 26,
      "page": "OSC",
      "label": "SMD",
      "lockable": true,
      "provenance": "https://www.elektron.se/wp-content/uploads/2024/10/Analog-Four_Analog-Keys_OS1.52_dist.zip",
      "verification": "official OS 1.52 descriptor and lock-writing path; static analysis",
      "firmware_offset": 1406796,
      "nrpn": 31
    },
    {
      "id": 27,
      "page": "OSC",
      "label": "SNC",
      "lockable": true,
      "provenance": "https://www.elektron.se/wp-content/uploads/2024/10/Analog-Four_Analog-Keys_OS1.52_dist.zip",
      "verification": "official OS 1.52 descriptor and lock-writing path; static analysis",
      "firmware_offset": 1406852,
      "nrpn": 32
    },
    {
      "id": 28,
      "page": "OSC",
      "label": "BND",
      "lockable": true,
      "provenance": "https://www.elektron.se/wp-content/uploads/2024/10/Analog-Four_Analog-Keys_OS1.52_dist.zip",
      "verification": "official OS 1.52 descriptor and lock-writing path; static analysis",
      "firmware_offset": 1406908,
      "nrpn": 33
    },
    {
      "id": 29,
      "page": "OSC",
      "label": "SLI",
      "lockable": true,
      "provenance": "https://www.elektron.se/wp-content/uploads/2024/10/Analog-Four_Analog-Keys_OS1.52_dist.zip",
      "verification": "official OS 1.52 descriptor and lock-writing path; static analysis",
      "firmware_offset": 1406964,
      "nrpn": 34
    },
    {
      "id": 30,
      "page": "OSC",
      "label": "TRG",
      "lockable": true,
      "provenance": "https://www.elektron.se/wp-content/uploads/2024/10/Analog-Four_Analog-Keys_OS1.52_dist.zip",
      "verification": "official OS 1.52 descriptor and lock-writing path; static analysis",
      "firmware_offset": 1407020,
      "nrpn": 36
    },
    {
      "id": 31,
      "page": "OSC",
      "label": "FAD",
      "lockable": true,
      "provenance": "https://www.elektron.se/wp-content/uploads/2024/10/Analog-Four_Analog-Keys_OS1.52_dist.zip",
      "verification": "official OS 1.52 descriptor and lock-writing path; static analysis",
      "firmware_offset": 1407076,
      "nrpn": 37
    },
    {
      "id": 32,
      "page": "OSC",
      "label": "SPD",
      "lockable": true,
      "provenance": "https://www.elektron.se/wp-content/uploads/2024/10/Analog-Four_Analog-Keys_OS1.52_dist.zip",
      "verification": "official OS 1.52 descriptor and lock-writing path; static analysis",
      "firmware_offset": 1407132,
      "nrpn": 38
    },
    {
      "id": 33,
      "page": "OSC",
      "label": "VIB",
      "lockable": true,
      "provenance": "https://www.elektron.se/wp-content/uploads/2024/10/Analog-Four_Analog-Keys_OS1.52_dist.zip",
      "verification": "official OS 1.52 descriptor and lock-writing path; static analysis",
      "firmware_offset": 1407188,
      "nrpn": 39
    },
    {
      "id": 21,
      "page": "NOISE",
      "label": "SnH",
      "lockable": true,
      "provenance": "https://www.elektron.se/wp-content/uploads/2024/10/Analog-Four_Analog-Keys_OS1.52_dist.zip",
      "verification": "official OS 1.52 descriptor and lock-writing path; static analysis",
      "firmware_offset": 1407244,
      "nrpn": 10
    },
    {
      "id": 100,
      "page": "NOISE",
      "label": "COL",
      "lockable": true,
      "provenance": "https://www.elektron.se/wp-content/uploads/2024/10/Analog-Four_Analog-Keys_OS1.52_dist.zip",
      "verification": "official OS 1.52 descriptor and lock-writing path; static analysis",
      "firmware_offset": 1407300,
      "nrpn": 11
    },
    {
      "id": 22,
      "page": "NOISE",
      "label": "FAD",
      "lockable": true,
      "provenance": "https://www.elektron.se/wp-content/uploads/2024/10/Analog-Four_Analog-Keys_OS1.52_dist.zip",
      "verification": "official OS 1.52 descriptor and lock-writing path; static analysis",
      "firmware_offset": 1407356,
      "nrpn": 12
    },
    {
      "id": 23,
      "page": "NOISE",
      "label": "LEV",
      "lockable": true,
      "provenance": "https://www.elektron.se/wp-content/uploads/2024/10/Analog-Four_Analog-Keys_OS1.52_dist.zip",
      "verification": "official OS 1.52 descriptor and lock-writing path; static analysis",
      "firmware_offset": 1407412,
      "nrpn": 14
    },
    {
      "id": 34,
      "page": "FLTR1",
      "label": "FRQ",
      "lockable": true,
      "provenance": "https://www.elektron.se/wp-content/uploads/2024/10/Analog-Four_Analog-Keys_OS1.52_dist.zip",
      "verification": "official OS 1.52 descriptor and lock-writing path; static analysis",
      "firmware_offset": 1407468,
      "nrpn": 40
    },
    {
      "id": 35,
      "page": "FLTR1",
      "label": "RES",
      "lockable": true,
      "provenance": "https://www.elektron.se/wp-content/uploads/2024/10/Analog-Four_Analog-Keys_OS1.52_dist.zip",
      "verification": "official OS 1.52 descriptor and lock-writing path; static analysis",
      "firmware_offset": 1407524,
      "nrpn": 41
    },
    {
      "id": 37,
      "page": "FLTR1",
      "label": "TRK",
      "lockable": true,
      "provenance": "https://www.elektron.se/wp-content/uploads/2024/10/Analog-Four_Analog-Keys_OS1.52_dist.zip",
      "verification": "official OS 1.52 descriptor and lock-writing path; static analysis",
      "firmware_offset": 1407580,
      "nrpn": 43
    },
    {
      "id": 38,
      "page": "FLTR1",
      "label": "DEP",
      "lockable": true,
      "provenance": "https://www.elektron.se/wp-content/uploads/2024/10/Analog-Four_Analog-Keys_OS1.52_dist.zip",
      "verification": "official OS 1.52 descriptor and lock-writing path; static analysis",
      "firmware_offset": 1407636,
      "nrpn": 44
    },
    {
      "id": 36,
      "page": "FLTR1",
      "label": "OVR",
      "lockable": true,
      "provenance": "https://www.elektron.se/wp-content/uploads/2024/10/Analog-Four_Analog-Keys_OS1.52_dist.zip",
      "verification": "official OS 1.52 descriptor and lock-writing path; static analysis",
      "firmware_offset": 1407692,
      "nrpn": 42
    },
    {
      "id": 39,
      "page": "FLTR2",
      "label": "FRQ",
      "lockable": true,
      "provenance": "https://www.elektron.se/wp-content/uploads/2024/10/Analog-Four_Analog-Keys_OS1.52_dist.zip",
      "verification": "official OS 1.52 descriptor and lock-writing path; static analysis",
      "firmware_offset": 1407748,
      "nrpn": 45
    },
    {
      "id": 40,
      "page": "FLTR2",
      "label": "RES",
      "lockable": true,
      "provenance": "https://www.elektron.se/wp-content/uploads/2024/10/Analog-Four_Analog-Keys_OS1.52_dist.zip",
      "verification": "official OS 1.52 descriptor and lock-writing path; static analysis",
      "firmware_offset": 1407804,
      "nrpn": 46
    },
    {
      "id": 42,
      "page": "FLTR2",
      "label": "TRK",
      "lockable": true,
      "provenance": "https://www.elektron.se/wp-content/uploads/2024/10/Analog-Four_Analog-Keys_OS1.52_dist.zip",
      "verification": "official OS 1.52 descriptor and lock-writing path; static analysis",
      "firmware_offset": 1407860,
      "nrpn": 48
    },
    {
      "id": 43,
      "page": "FLTR2",
      "label": "DEP",
      "lockable": true,
      "provenance": "https://www.elektron.se/wp-content/uploads/2024/10/Analog-Four_Analog-Keys_OS1.52_dist.zip",
      "verification": "official OS 1.52 descriptor and lock-writing path; static analysis",
      "firmware_offset": 1407916,
      "nrpn": 49
    },
    {
      "id": 41,
      "page": "FLTR2",
      "label": "TYP",
      "lockable": true,
      "provenance": "https://www.elektron.se/wp-content/uploads/2024/10/Analog-Four_Analog-Keys_OS1.52_dist.zip",
      "verification": "official OS 1.52 descriptor and lock-writing path; static analysis",
      "firmware_offset": 1407972,
      "nrpn": 47
    },
    {
      "id": 44,
      "page": "FLTR",
      "label": "Both filter frequencies (modulation target)",
      "lockable": false,
      "provenance": "https://www.elektron.se/wp-content/uploads/2024/10/Analog-Four_Analog-Keys_OS1.52_dist.zip",
      "verification": "official OS 1.52 descriptor and lock-writing path; static analysis",
      "firmware_offset": 1408028
    },
    {
      "id": 53,
      "page": "AMP",
      "label": "ATK",
      "lockable": true,
      "provenance": "https://www.elektron.se/wp-content/uploads/2024/10/Analog-Four_Analog-Keys_OS1.52_dist.zip",
      "verification": "official OS 1.52 descriptor and lock-writing path; static analysis",
      "firmware_offset": 1408084,
      "nrpn": 50
    },
    {
      "id": 56,
      "page": "AMP",
      "label": "DEC",
      "lockable": true,
      "provenance": "https://www.elektron.se/wp-content/uploads/2024/10/Analog-Four_Analog-Keys_OS1.52_dist.zip",
      "verification": "official OS 1.52 descriptor and lock-writing path; static analysis",
      "firmware_offset": 1408140,
      "nrpn": 51
    },
    {
      "id": 59,
      "page": "AMP",
      "label": "SUS",
      "lockable": true,
      "provenance": "https://www.elektron.se/wp-content/uploads/2024/10/Analog-Four_Analog-Keys_OS1.52_dist.zip",
      "verification": "official OS 1.52 descriptor and lock-writing path; static analysis",
      "firmware_offset": 1408196,
      "nrpn": 52
    },
    {
      "id": 62,
      "page": "AMP",
      "label": "REL",
      "lockable": true,
      "provenance": "https://www.elektron.se/wp-content/uploads/2024/10/Analog-Four_Analog-Keys_OS1.52_dist.zip",
      "verification": "official OS 1.52 descriptor and lock-writing path; static analysis",
      "firmware_offset": 1408252,
      "nrpn": 53
    },
    {
      "id": 65,
      "page": "AMP",
      "label": "SHP",
      "lockable": true,
      "provenance": "https://www.elektron.se/wp-content/uploads/2024/10/Analog-Four_Analog-Keys_OS1.52_dist.zip",
      "verification": "official OS 1.52 descriptor and lock-writing path; static analysis",
      "firmware_offset": 1408308,
      "nrpn": 54
    },
    {
      "id": 45,
      "page": "AMP",
      "label": "CHO",
      "lockable": true,
      "provenance": "https://www.elektron.se/wp-content/uploads/2024/10/Analog-Four_Analog-Keys_OS1.52_dist.zip",
      "verification": "official OS 1.52 descriptor and lock-writing path; static analysis",
      "firmware_offset": 1408364,
      "nrpn": 55
    },
    {
      "id": 46,
      "page": "AMP",
      "label": "DEL",
      "lockable": true,
      "provenance": "https://www.elektron.se/wp-content/uploads/2024/10/Analog-Four_Analog-Keys_OS1.52_dist.zip",
      "verification": "official OS 1.52 descriptor and lock-writing path; static analysis",
      "firmware_offset": 1408420,
      "nrpn": 56
    },
    {
      "id": 47,
      "page": "AMP",
      "label": "REV",
      "lockable": true,
      "provenance": "https://www.elektron.se/wp-content/uploads/2024/10/Analog-Four_Analog-Keys_OS1.52_dist.zip",
      "verification": "official OS 1.52 descriptor and lock-writing path; static analysis",
      "firmware_offset": 1408476,
      "nrpn": 57
    },
    {
      "id": 48,
      "page": "AMP",
      "label": "PAN",
      "lockable": true,
      "provenance": "https://www.elektron.se/wp-content/uploads/2024/10/Analog-Four_Analog-Keys_OS1.52_dist.zip",
      "verification": "official OS 1.52 descriptor and lock-writing path; static analysis",
      "firmware_offset": 1408532,
      "nrpn": 58
    },
    {
      "id": 49,
      "page": "AMP",
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}