Sone166

| Task | Frequency | Steps | |------|-----------|-------| | | Weekly / after heavy use | Use a soft brush, then a dry lint‑free cloth. Do not use liquids. | | Battery check | Monthly (if battery‑powered) | Verify voltage via Settings → Power → Battery Status. Replace if < 3.5 V. | | Firmware updates | As released | Follow Section 5.3 . | | Physical inspection | Quarterly | Tighten mounting screws, check for corrosion on connectors. | | Calibration | Semi‑annual (or per ISO‑standard) | Use a certified acoustic calibrator (e.g., 94 dB SPL, 1 kHz). |

: It is used by businesses to enhance performance in data management and strategic decision-making. Development

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