Káblový tester (RJ-45, RJ-11)

1. When making measurements in places that are difficult to access or dangerous (such as the roof of a building, a ladder, etc.), observing the meter screen, be very careful, also observe the surroundings.
2. If the device has mechanical damage, abandon its use.
3. When connecting cables terminated with connectors to the meter, avoid skin abrasions.
4. When connecting any signal cables to the device, make sure that they do not have inappropriate voltage for the meter.
5. When connecting cables, the device should be turned off.
6. Charge the rechargeable battery of the meter according to the manufacturer's recommendations or make sure it has enough energy for operation.
7. Use only original power supplies and components recommended by the manufacturer.
8. Ensure that the power supply voltage is in accordance with the product specifications.
9. Observe maximum charging times and temperature recommendations.
10. If the battery begins to emit an odor, heat up or leaking, discontinue use immediately.
11. Charge the device at least once every 3 months. Avoid discharging it completely.
12. Store the device in a dry place, away from heat sources.