User manuals are sorted by product serial number and model codes. The first 4 digits of the serial number represent the manufacture date (YYMM) eg, 2203-XXXX = March 2022 build date.
Models: TD-80F, TD-150F, TD-250F, TD-500F, TD700F, TD-500FM, TD700FM
October 2023 - current (2310 - current)
Models: TD-78T-2-D
October 2023 - current (2310 - current)
Models: TD-150F-AS1681, TD-500F-AS1681
October 2023 - current (2310 - current)
Models: TGD-80F, TGD-150F, TGD-250F
October 2023 - current (2310 - current)