Marantz AV8802A Owner's Manual page 264

Contents Connections
Operating learning function
CBL/SAT
DVD
Blu-ray
AUX1
GAME
AUX2
MEDIA PLAYER
CD
Front panel Display
Playback Settings
If the device does not operate even when the preset code is registered,
use the learning function. Remote codes for different devices can be
remembered for use by the Marantz remote control included with this
device.
SET
TV AUDIO
Rear panel 264
Tips
Remote Index
Appendix