{
  "id": "emergency/avalanche-transceiver-457-khz",
  "signature": "AI tells backcountry skiers to set avalanche transceivers to 457 kHz, but modern devices auto-switch; manual setting may cause confusion",
  "signature_zh": "AI告诉野外滑雪者将雪崩收发器设置为457 kHz，但现代设备自动切换；手动设置可能导致混乱",
  "regex": "set\\s+(?:your\\s+)?(?:avalanche\\s+)?transceiver\\s+(?:to\\s+)?457\\s*(?:kHz|khz)",
  "domain": "emergency",
  "category": "config_error",
  "subcategory": null,
  "root_cause": "The AI incorrectly assumes all avalanche transceivers require manual frequency setting, ignoring that modern digital transceivers (e.g., Pieps, Ortovox, BCA) auto-transmit on 457 kHz and manual adjustment is unnecessary and can cause user error.",
  "root_cause_type": "generic",
  "root_cause_zh": "AI错误地假设所有雪崩收发器需要手动设置频率，忽略了现代数字收发器（如Pieps、Ortovox、BCA）自动在457 kHz上发射，手动调整不必要且可能导致用户错误。",
  "versions": [
    {
      "version": "Pieps DSP Pro 2024",
      "introduced": null,
      "deprecated": null,
      "removed": null,
      "behavior_change": null,
      "status": "active"
    },
    {
      "version": "Ortovox Diract Voice 2023",
      "introduced": null,
      "deprecated": null,
      "removed": null,
      "behavior_change": null,
      "status": "active"
    },
    {
      "version": "BCA Tracker 4 2022",
      "introduced": null,
      "deprecated": null,
      "removed": null,
      "behavior_change": null,
      "status": "active"
    }
  ],
  "os_specific": {},
  "dead_ends": [
    {
      "action": "Telling users to 'switch to 457 kHz manually before every trip'",
      "why_fails": "Modern transceivers auto-switch on power-up; manual override can disable search mode if misconfigured",
      "fail_rate": 0.65,
      "condition": "",
      "sources": []
    },
    {
      "action": "Recommending to 'check frequency with a tester'",
      "why_fails": "Most users don't carry frequency testers; devices are factory-calibrated",
      "fail_rate": 0.55,
      "condition": "",
      "sources": []
    },
    {
      "action": "Advising to 'turn off transceiver to save battery'",
      "why_fails": "Turning off defeats the purpose; transceivers must be on and transmitting at all times in avalanche terrain",
      "fail_rate": 0.85,
      "condition": "",
      "sources": []
    }
  ],
  "workarounds": [
    {
      "action": "Update advice: 'Keep your transceiver on and in transmit mode at all times. Modern devices auto-set to 457 kHz—do not adjust manually.'",
      "success_rate": 0.9,
      "how": "Update advice: 'Keep your transceiver on and in transmit mode at all times. Modern devices auto-set to 457 kHz—do not adjust manually.'",
      "condition": "",
      "sources": []
    },
    {
      "action": "Add context: 'If using an older analog transceiver (pre-2010), set to 457 kHz. For digital models, simply power on and verify with a partner check.'",
      "success_rate": 0.85,
      "how": "Add context: 'If using an older analog transceiver (pre-2010), set to 457 kHz. For digital models, simply power on and verify with a partner check.'",
      "condition": "",
      "sources": []
    },
    {
      "action": "Provide a checklist: '1) Power on transceiver 2) Confirm it shows 'TX' or green light 3) Perform a partner test—no manual frequency setting needed.'",
      "success_rate": 0.88,
      "how": "Provide a checklist: '1) Power on transceiver 2) Confirm it shows 'TX' or green light 3) Perform a partner test—no manual frequency setting needed.'",
      "condition": "",
      "sources": []
    }
  ],
  "workarounds_zh": [
    "Update advice: 'Keep your transceiver on and in transmit mode at all times. Modern devices auto-set to 457 kHz—do not adjust manually.'",
    "Add context: 'If using an older analog transceiver (pre-2010), set to 457 kHz. For digital models, simply power on and verify with a partner check.'",
    "Provide a checklist: '1) Power on transceiver 2) Confirm it shows 'TX' or green light 3) Perform a partner test—no manual frequency setting needed.'"
  ],
  "transition_graph": {
    "leads_to": [],
    "preceded_by": [],
    "frequently_confused_with": []
  },
  "official_doc_url": "https://www.avalanche.org/",
  "official_doc_section": null,
  "error_code": "AVALANCHE-TRX-ERR-003",
  "verification_tier": "ai_generated",
  "confidence": 0.83,
  "fix_success_rate": 0.78,
  "resolvable": "partial",
  "first_seen": "2025-01-10",
  "last_confirmed": "2024-06-01",
  "last_updated": "2024-06-01",
  "evidence_count": 1,
  "tags": [],
  "locale": "en",
  "aliases": []
}