These are zipped PDF files
Impression / Digitech Telephone User Guides DXP and FX
Impression 2022S and DigiTech 7700S Reference Manual GCA70-226(.06)(684 KB) Impression 2022S and DigiTech 7700S Station User's Guide GCA70-198(.06(323 KB) Impression 2122S and DigiTech 7714S Reference Manual GCA70-224(.05)(497 KB) Impression 2122S and DigiTech 7714S Station User's Guide GCA70-314(.03)(301 KB) Impression 2101N and DigiTech 7701X Station User's Guide GCA70-227(.07)(158 KB)