The Yamaha R-3 is a sophisticated stereo receiver. This manual details the front panel functions, safety warnings, and installation requirements to ensure proper operation and performance. It advises placing the unit on a level surface away from heat sources and vibration.
| Backup Power Duration | about three weeks |
|---|---|
| Switched Power Output | up to 100 W |
You should turn the power switch on once a week to keep the back-up power supply fully charged.
A temperature protector cuts off the power. You must wait for the unit to cool down or change the impedance to operate normally.