Yamaha RX-V577 Owner's Manual page 100

Problem
The unit cannot be controlled using the remote
control.
Cause
The unit is out of the operating range.
The batteries are weak.
The unit's remote control sensor is exposed to direct sunlight or
strong lighting.
The remote control IDs of the unit and the remote control are not
identical.
The remote control is set to the Zone B operation mode.
Remedy
Use the remote control within the operating range (p.4).
Replace with new batteries.
Adjust the lighting angle, or reposition the unit.
Change the remote control ID of the unit or the remote control (p.95).
Set the remote control to the Zone A operation mode (p.70).
APPENDIX ➤ Troubleshooting
100
En