I changed the SMARTDAC+ GX/GP signature privileges, and now I can't add approval information to the data that was measured before the change.

SMARTDAC+TM GP10/GP20 是一款無紙記錄器，提供直覺，人性化設計，支援網路功能和可擴充的架構。

SMARTDAC+^TM GX10/GX20是多點觸控式記錄器，提供直觀，人性化設計，支援網路功能和可擴充的架構。