Basic Qualification · B-003 Station assembly, practice and safety · B-003-014-001
Qu'utilisent bon nombre de radioamateurs pour aider à former des caractères satisfaisants de code Morse?
- AUn pavé tactile
- BUn pavé numérique multifréquence à deux tonalités ("DTMF keypad")
- CUn manipulateur électronique
- DUn manipulateur (clé)
Correct answer: C — Un manipulateur électronique. Question tirée de la banque officielle d'ISDE.
Why
An electronic keyer is a device that automatically generates perfectly timed dots and dashes when you press a paddle, ensuring your Morse code characters are consistent and easy to read. The full explanation — and one for every question — is in Pro.
Practise this section
Station assembly, practice and safety is section B-003 of the Basic exam: Building a station safely: power supplies, grounding, RF exposure, lightning, feedline routing, and what a transmitter, receiver and transceiver actually do.
Drill B-003 — free, no account