Device use and safety terms

Published 2026-09-27

Manufacturer: FlySys

Manufacturer: FlySys d.o.o. (FlySys) Address: Tupalice 142, 4205 Preddvor, Slovenia Company registration number: 7585764000 VAT number: SI44579012 Email: info@flysys.eu Telephone: +386 64 181 089

These terms accompany, and do not replace, the model-specific instructions, conformity information and statutory guarantees.

1. Intended use and limitations

FlySys Duo is a variometer for recreational flying activities described in its product documentation. Use it only within the documented operating conditions and intended use. Do not treat it as an emergency locator, collision-avoidance system, terrain-warning system or weather forecast.

Paragliding and other flying activities require appropriate training, competence and judgment. The pilot decides whether conditions, equipment and their own capabilities permit a flight and remains responsible for navigation, separation and applicable aviation rules. A reading or tone from Duo does not establish that a manoeuvre, route or altitude is safe.

2. Before flight

Read the current instructions. Inspect the housing, attachment, charging connector and battery condition. Secure the device so it cannot detach, obstruct controls, or create an entanglement hazard. Do not attach it to a load-bearing or safety-critical part of the flying equipment in a way that alters that equipment's operation.

Check the battery, reference altitude, intended sound profile, and volume. Verify sensor response and any required connection. Do not assume a connection icon proves that every displayed value is current. Keep pressure openings unobstructed and follow placement instructions; clothing, water, and airflow can affect measurements. Plan for loss of power, sound, or data without depending on the device for safe recovery.

Pairing, calibration, test tones, and firmware updates should be completed on the ground in a safe location. Keep the device still when the calibration procedure requires it. Recheck settings after an update or reset. Never interrupt a firmware installation except as directed by the recovery procedure.