ライトペン検出 けんしゅつではありませんでした
raitopenkenshutsudewārimasendeshita

Noun
Desu Copula

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

1. Was not a light pen detection.; Was not identified as a light pen.

Past/Perfective
Negative
Polite
Formal Register
Computing