Many DVD players contain a hidden menu or hidden set of remote commands that allow the user to access or modify functions that the main firmware does not. These commands and menus are accessed through what are often referred to as hacks. The apex dvd player has many hacks. Those used and sought most frequently allow you to play DVDs from other countries that require a certain regional coding in
. the player to be viewed. One must be careful when using "hacks" found online or by word of mouth as some modifications of your DVD player could render it inoperable or void the warranty.