Yamaha CD-S2000 Owner's Manual page 12

Controls and functions
Installing batteries in the remote control
1
3
1
Press the part and slide the battery
compartment cover off.
2
Insert the two supplied batteries
(AA, R6, UM-3) according to the polarity
markings (+ and –) on the inside of the
battery compartment.
3
Slide the cover back until it snaps into place.
12
En
2
Using the remote control
The remote control transmits a directional infrared beam.
Be sure to aim the remote control directly at the remote
control sensor on the front panel of this unit during
operation.
30 30
Approximately 6 m (20 ft)