GPS System is based on map features in Cabal Online,which shows different kinds of maps and allows players transfer freely between different locations in game.
Once you have achieved certain levels,finishing some specific quests,you will receive the Map and Warp code for each map.You can open and close GPS system by pressing the 'M' or Tab key.Then different villiage maps with map codes are displayed in the GPS window,you can check on each world's overall map even when engaged in combat.
Gaining a warp code will automatically make the location of the corresponding warp zone viewable in the GPS window.Besides warp code allows you travel between different Warp Gates by using return stones.Meanwhile it can confirm the location of the Dungeons and show party members in same world on GPS.With the GPS window,you can find suitable hunting areas for your current level and the location of quest NPCs.