Specifications

These are verified as working codes, and have been collected from
many different sources. Therefore have all not been tested, but please
note I am not liable for any damage caused while you are messing on
with your machine.
Please perform these at your own risk!
At the bottom of the page, there are some other codes for selected
models.
A-trend AD-L528
With the draw closed, and with no disc in it. Press 7,6 and select on the remote, and this will
take you into the firmware settings, use the arrows on the remote to scroll down to the region
setting and change to whatever region you require then press enter. Then scroll to the bottom
where it says 'next page' and press enter then on the next page scroll to the macro vision
settings and press enter twice or until '0' is shown and the macro vision is disabled. Then press
set-up to exit. If you turn the machine off, the macrovision will have to be set to disabled
again.
or
Take any disk out of player, press pause on remote control press 3, 1, 4, 1, 5, 9 on remote
control and the word CODE will appear in the DVD player's window press the key for the region
e.g., 1 for USA. Press pause again Turn player off then on again or
Switch on DVD player, press 'stop' on the remote, press '1','9','9','9' then 'enter' and the zone
menu appears select 'all' to de-regionize the player
A-trend LE511
Switch on the DVD player and Press: STOP, 1, 9, 9, and 9. The hidden menu appears. Set the
"Zone" field to ALL
Acoustic Solutions DVD421
Open disc tray, Press 'Set-up' on the remote and Then press 'Next, Prev, Next, Prev.' Enter
region code set-up: Ver 255 = Region free Ver 1 = Region 1 Ver 2 = Region 2 Press left (<) or
right (>) key Press Down key twice Ver 4001 = macrovision enable Ver 4000 = macrovision
disable Press left (<) or right (>) key
Acoustic Solutions DVD421
Open disc tray, Press 'Set-up' on the remote and Then press 'Next, Prev, Next, Prev.' Enter
region code set-up: Ver 255 = Region free Ver 1 = Region 1 Ver 2 = Region 2 Press left (<) or
right (>) key
Press Down key twice Ver 4001 = macrovision enable Ver 4000 = macrovision disable Press
left (<) or right (>) key
Acoustic Solutions DVD521
Press the Setup button on the Remote Control
Press Next
Press Pause \ Setup
Press Prev
Press Next
You should now be in a secret menu where you can change Region 1-6, or All for Region free

Summary of content (65 pages)