Remote controller —
Installing the lithium coin battery
(CR2025)
• When operating, aim the remote controller
directly at the remote sensor on the
receiver. Make sure there is no obstacle in
between.
Warning:
• Store the battery in a place where children
cannot reach to avoid risk of accident.
• To prevent the battery from over-heating,
cracking, or starting a fire:
– Do not recharge, short, disassemble, or
heat the battery or dispose of it in a fire.
– Do not leave the battery with other
metallic materials.
– Do not poke the battery with tweezers or
similar tools.
– Wrap the battery with tape and insulate
when throwing away or saving it.
Caution:
6
RM-RK50
Main elements and features
1
(standby/on/attenuator) button
• Turns on and off the power and also
attenuates the sound.
2 5 U (up) / D (down) ∞ buttons
• 5 U: Changes the FM/AM bands.
• D ∞: Changes the preset stations.
• Changes the folder of the MP3/WMA
discs.
• While playing an MP3 disc on an
MP3-compatible CD changer:
– Changes the disc if pressed briefly.
– Changes the folder if pressed and held.
• While listening to the SIRIUS radio:
– Changes the categories.
3 VOL – / VOL + buttons
• Adjusts the volume level.
4 SOUND button
• Selects the sound mode (C-EQ: custom
equalizer).
5 SOURCE button
• Selects the source.
6 2 R (reverse) / F (forward) 3 buttons
• Searches for stations if pressed briefly.
• Fast-forwards or reverses the track if
pressed and held.
• Changes the tracks of the disc.
• While listening to the SIRIUS radio:
– Changes the channels if pressed briefly.
– Changes the channels rapidly if pressed
and held.