Situation: The A.00.15 revision of the 35670Afirmware provides several new features and fixes a number of defects that were in the A.00.00 revision shipping since the 35670Awas first introduced. Solution/Action: Customers wishing to upgrade their 35670Afirmware may do so by ordering either upgrade option 35670U #UE2 or upgrade kit 35670-88701. Both packages contain identi- cal items. Reprogram the instruments memory using the two 3.5 discs included in the package, as per installation note instructions.