| GT-31 Specifications |  |
| BGT-31 Specifications | |
| GT-31/BGT-31 Quick Start Guide-En | |
| GT-31/BGT-31 Quick Start Guide-繁中 | |
| GT-31/BGT-31 Quick Start Guide-简中 | |
| GT-31/BGT-31 Quick Start Guide-Japan | |
| GT-31/BGT-31 Owner's Manual-En | |
| GT-31/BGT-31 Owner's Manual-繁中 | |
| GT-31 USB Driver Only for Microsoft Windows 98/ME/2000/XP/Vista/Win7 | |
| GT-31 USB Driver for Mac | |
| GT-31 USB Driver for Linux | |
| GT-31/BGT-31 Utility NAViLink II | |
| GT-31/BGT-31 DM | |
| GT-31/BGT-31 Owner's Manual-简中 | |
| GT31 Updater_Installer | |
| GT-31 setup guide by a windsurfer/kitesurfer Basil Cambanis | |
| GT-31/BGT-31 Firmware V1.3B1015 ( International Version) Please read Firmware Change Notes in zip file | |
| GT-31 Firmware V1_3C1015 (實用版/实用版) | |
| Plan GT-31 Route in Google Map | |
| GT-31 setup guide (Japanese version) translated by Yoshio Akiyama. | |
| GT-31 setup guide (Finnish version) translated by Pihla-Maria Takkunen. | |
| GT-31/BGT-31 Owner's Manual-Franch (Provided by XXcycle) | |
| GT-31 Firmware Release Note | |
