local battery

英語（米国） (en-US) 英語（イギリス） (en-GB)

名詞

In telegraphy, the source of power that actuates the telegraphic station recording instruments, as distinguished from the source of power that furnishes current to the line.

このボタンはなに？

The station operator checked the local battery before sending the next message to ensure the recording instruments would respond.

詳細

意味（1）

In telegraphy, the source of power that actuates the telegraphic station recording instruments, as distinguished from the source of power that furnishes current to the line.

意味（2）

In telephony, a source of local power for a telephone instrument, as opposed to being powered from the central office.

local batteries （ 複数形 ）