Manual. View the manual for the Canon VIXIA HF G21 here, for free. This manual comes under the category Camcorders and has been rated by 1 people with an Canon Vixia HF G21 Instruction Manual. Paperback – January 5, 2018 ; by Canon (Author) ; Print length. 150 pages ; Language. English ; Tell the Publisher! I'd like User manual for the Canon VIXIA HF G21 Full HD contain basic instructions that need to be followed during installation and operation. About this Manual. Thank you for purchasing the Canon VIXIA HF G21. Please read this manual carefully before you use the camcorder and retain it for futureManuals and User Guides for Canon VIXIA HF G21. We have 2 Canon VIXIA HF G21 manuals available for free PDF download: Instruction Manual · 8. 1 Introduction · 15.