Audiovox D1718PK - DVD Player - 7 Instruction Manual page 30

3) Optional Game Controller
Please refer to the operation manual provided with the Game
Controller.
*Note: Do not use the "AV Jack" and "E Port" at the same time when
in "AV IN" mode. Unplug the game controller when using the A/V input
jack.
4. Connecting Headphones
Plug the headphones into either Headphone 1 jack or Headphone 2
jack on the right side of the D1718PK.
Plugging into Headphone jack 1 will disable the internal speakers.
30