noun which may take the genitive case particle 'no', noun
at the time of shipment; as-shipped; factory default
Used in technical and commercial contexts to describe the state of a product when it leaves the factory or warehouse. Often modifies settings, condition, or configuration.
出荷時の設定に戻してください。
Please restore the factory default settings.
出荷時点検で問題は見つからなかった。
No problems were found during the pre-shipment inspection.
初期設定 means 'initial settings' and is a broader term. 出荷時 emphasizes the state as it was when shipped from the factory.
Compound of 出荷 (shipment) and 時 (time). The meaning 'factory settings' is a natural extension from 'state at the time of shipment'.