It is not necessary to download Part 1 as this is also covered in video format which most users find easier to use. However, it is highly recommended that you download and read Parts 2 and 3. These contain valuable tips that are demonstrated in the GR videos but you will definitely gain more understanding if you read these resources first.
(Note: This is covered also in video format on the Setting Up - Video Page - recommended viewing)
Part 2: User Guide - Recommended Reading
Part 3: Tips and Tricks
And when your are starting here is a bonus page just for good measure:
French Version - Version Française
Part 2: MANUEL UTILISATEUR - PARTIE 2
Part 3: TRUCS ET ASTUCES
2018 OWNERS MANUALS
Click the picture icons to download the Manuals.
(Updated 2 June 2018)