ライトペン検出 けんしゅつじゃなかったです
raitopenkenshutsujanakattadesu

Noun
Desu Copula

The polite, past negative form of ライトペン検出

1. Wasn't a light pen detection.; Wasn't detected as a light pen.

Past/Perfective
Negative
Polite
Casual Register
Computing