1. User manual Oppo BDP 83 DIY kit How to use the mod After successful installation of the DIY Kit your BDP 83 should be Region Free for DVD and Zone A for Blu ray by default If applicable remember to go to Video Setup gt TV System and set the TV system to Multi system to enable 60Hz NTSC and 50Hz PAL output Region amp Zone changes should be made with the player in standby mode Red Light To switch to a different Zone for Blu ray press and hold the blue button on the Remote Control for about 5 seconds until you hear beeps Then press 2 for Zone B you will hear 2 beeps press 3 for Zone C you will hear 3 beeps or to revert to Zone A press 1 you will hear one beep To switch to a specific Region for DVD other than Region Free press and hold the red button on the Remote Control for about 5 seconds until you hear beeps Then press 2 for Region 2 you will hear 2 beeps press 3 for Region 3 you will hear 3 beeps etc To switch back to Region Free press O you will hear a long beep