While intuitive, the manual reveals a hidden function: Link to Erase Codes without exiting the menu. Many users exit all the way back to the main menu, but the PDF shows a shortcut using the "Erase" soft key while viewing a history report.

The Equus 3022 is designed for [purpose, e.g., high-throughput material stress testing]. This guide covers essential safety, setup, calibration, operation, and troubleshooting.

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| Parameter | Value | |-----------|-------| | Power supply | 24V DC, 2.5A | | Measurement range | [0–1000 units] | | Accuracy | ± [0.5% FS] | | Interface | USB 2.0, RS-485 | | Dimensions (W×D×H) | [300 × 200 × 150 mm] | | Weight | [3.2 kg / 7.1 lb] |

The PDF contains a dedicated troubleshooting appendix (typically pages 46-50). Here are common issues solved only by reading the manual:

| Problem | Manual Solution | | :--- | :--- | | Unit powers on but won't link | You need a "Wake-up" protocol. Turn the headlights on to create a load on the system. | | Display shows "Error" | Vehicle voltage is below 10V. Charge battery before scanning. | | Can't find "Pending Codes" | Press and hold the "DTC" button for 3 seconds—this is a hidden feature. | | Live data freezes | Press "Enter" to pause data; press "Menu" to restart. |