LG DU-52SZ51D Owner's Manual page 26

18. Screen 18: Recorder Preparation
Follow the on-screen instructions, and press OK to display Screen 19.
19. Screen 19: Recorder Code Testing
When testing is done, Screen 20 displays automatically.
20. Screen 20: Recorder Tuned to Channel 9?
•If you select Yes, you see Screen 21.
•If you select No, a different code is tested in Screen 19.
Note :
•Many Recorders require testing more than one code.
•If you select Test this code again, the same code is tested again in
Screen 19.
26 DLP Projection TV
Installation
Owner's Manual 26