作動 さどう電圧 でんあつ表示 ひょうじ じゃありませんでした
sadōden'atsuhyōji kija arimasendeshita

Noun
Desu Copula

The polite, past negative form of 作動電圧表示器

1. Was not a voltage indicator.; Was not an operating voltage display.

Past/Perfective
Negative
Polite
Terminal Form
Computing