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# TC66 Resource Inventory |
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This note captures what was directly observed from the archived `TC66` resource bundle before any deeper reverse engineering. |
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## Imported Artifacts |
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- `TC66.pdf` |
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- `User Maual for Operation and PC software and APP of TC66(C) Type-c USB PD Trigger Meter 2019.6.5.pdf` |
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- `TC66C_V1.1.6.apk` |
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- `RuiDengUSBMeter_V1.0.0.6.rar` |
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## Skipped Duplicate |
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- `Factory technical support and conctact way .docx` |
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Reason: byte-for-byte duplicate of the contact document already imported from the `UM24` archive |
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## Quick Findings |
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- `TC66.pdf` is a shorter 9-page document with title metadata `TC66/TC66C` |
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- the longer `User Maual ... TC66(C) ... 2019.6.5.pdf` appears intended to cover device operation plus PC and Android software usage |
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- string scan of `TC66C_V1.1.6.apk` surfaced repeated `TC66C` identifiers and RuiDeng branding, which makes this artifact more model-specific than the generic UM-family APKs |
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- quick archive listing of `RuiDengUSBMeter_V1.0.0.6.rar` shows a Windows desktop application, English and Chinese language files, x86/x64 drivers, and a bundled `.NET Framework 4.6` installer |
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## Review Status |
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- both imported TC66 manuals have now been text-reviewed |
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- the working synthesis is recorded in `TC66 Manuals Working Summary.md` |
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## Key Confirmations From Manual Review |
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- `TC66` is USB-only |
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- `TC66C` supports USB and Bluetooth |
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- Android app support is `TC66C`-only and explicitly BLE-based |
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- iPhone app support is `TC66C`-only |
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- desktop software communicates over `micro-USB`, not Bluetooth |
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- the manuals make `PD` / `CC pull-down` state an important part of correct measurement behavior |
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## Practical Use |
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- manuals may provide UI, feature, and workflow clues specific to `TC66(C)` |
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- the Android APK is a good candidate for later string extraction or decompilation when we need model-specific labels and behavior hints |
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- the PC software archive may be useful for identifying USB/driver assumptions and desktop-side workflows even before full extraction |
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- the payload working note `TC66C Transport and Payload Working Note.md` now records how the current app models `TC66C` transport and decoded fields |