The remotes I recommended above are learning remotes.

However, you have an Atlas! It should have setup code Audio 1658 built-in. All of the above codes should work also work with 1658, just like they do with 1758. In addition, the following EFCs should work with 1658, but not 1758.
1  19150
2  18126
3  18638
4  17614
5  19406
6  18382
7  18894
8  17870
9  51918
0, 10/0  50894
Enter  52174
>10  51150
Clear  50638
Subtitle  34510
Audio  35022
Angle  33998
DVD Display  02766
DVD Top Menu/Album –  01742
DVD Menu/Album +  02254
Search Reverse  10446
Search Forward  09422
Play Mode  10702
Shuffle  43214
Program  42190
Repeat  43982
Repeat  42958
Previous/Preset Down  27342
Next/Preset Up  26318
Play  26830
Rewind/Tuning Down  25806
Fast Forward/Tuning Up  27598

Stop	60110
Pause	59086
Repeat A-B	58574

Open/Close  60366
Disc Skip  59854
Name  05326
Up  64206
Down  63182
Left  63694
Right  62670
Select, Enter (for cursor keys)  64462
Return  63438