電鍵
で
ん
け
ん
Meanings
1
telegraph key
A switching device used to send Morse code in telegraphy. Technical term, not used in everyday conversation.
The radio operator quickly worked the telegraph key to send Morse code.
telegraph key
A switching device used to send Morse code in telegraphy. Technical term, not used in everyday conversation.
The radio operator quickly worked the telegraph key to send Morse code.