Contents
Welcome
Index
1 
RioVolt SP150 User’s Guide
Welcome
Thanks for your purchase of the RioVolt SP150. The SP150 is a portable CD player that plays WMA and MP3 
CDs, and regular Red Book audio CDs. The SP150 includes earphones, two AA-size 1.5 volt alkaline 
batteries, a lighted LCD display, and provides up to 160 seconds of Electronic Shock Protection (ESP) for 
Red Book audio CDs and 960 seconds for MP3/WMA CDs to guard against skipping during playback.
Contents
Navigating the User’s Guide / Using Acrobat
Tour of the RioVolt
Getting Started
Playing Music
Advanced Functions
Glossary of Digital Audio Terms
Frequently Asked Questions (FAQ) and Troubleshooting
Warranty Information
Regulatory Information
Customer care
Index
To learn more:
• Refer to the Quick Start poster for the basics on how to set up and start using your RioVolt.
• Visit the SONICblue Web site at www.sonicblue.com. 
Contents
Welcome
Index
2 
Navigating the User’s Guide
This User’s Guide is in Adobe Acrobat (.PDF) file format. 
Important: We recommend that you use Adobe Acrobat Reader version 4.0 or higher to view 
and print the RioVolt User’s Guide. 
Click blue, underlined text links to jump to another location in the document or to a location on the 
Internet.
Click the Contents link at the top of any page to go to the list of User’s Guide contents.
Click the Index link at the top of any page to go to the alphabetical Index of topics. Click page numbers in 
the Index to jump to a topic.
Using Acrobat
Click the navigation buttons
next page, or last page of the User’s Guide.
in the Acrobat toolbar to go to the first page, previous page, 
Click the print button
in the Acrobat toolbar to print the User’s Guide.
Click the show/hide navigation pane button
Bookmarks are links to the contents of the User’s Guide. Click any bookmark in the list to jump to the page 
in the User’s Guide that contains the topic.
in the Acrobat toolbar to show a list of bookmarks. 
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Legal Notices
Contents
Welcome
Index
3 
© 2002 SONICblue Incorporated. All Rights Reserved.
SONICblue Incorporated shall not be liable for any errors contained herein or for any damages arising out of or related to this 
document or the information contained herein, even if SONICblue has been advised of the possibility of such damages.
This document is intended for informational and instructional purposes only. SONICblue reserves the right to make changes in 
the specifications and other information contained in this document without prior notification. SONICblue disclaims any obligation 
to update the information contained herein. 
Rio® is a registered trademark of SONICblue Incorporated. SONICblue and RioVolt are trademarks of SONICblue Incorporated. 
Microsoft, Windows Media and the Windows Logo are trademarks or registered trademarks of 
Microsoft Corporation in the United States and/or other countries.
All other product names may be trademarks of the companies with which they are associated.
First edition, June 2002
SP150 P/N 75510401-001
Important Safety Information
WARNING
TO REDUCE THE CHANCE OF SHOCK OR INJURY, DO NOT USE or OPERATE THIS DEVICE IN OR NEAR 
WATER OR WET LOCATIONS.
CAUTION
RISK OF EXPLOSION, DAMAGE OR BATTERY LEAKAGE IS POSSIBLE IF BATTERY IS REPLACED 
INCORRECTLY OR BY AN INCORRECT TYPE. NEVER ATTEMPT TO CHARGE A NON-RECHARGEABLE ALKALINE 
BATTERY. DISPOSE OF USED BATTERIES ACCORDING TO INSTRUCTIONS OR LOCAL LAWS.
Use of headphones while operating a vehicle is not recommended and is unlawful in some states and areas. 
Be careful and attentive while driving. Stop operation of the player if you find it disruptive or distracting 
while operating any type of equipment.
Listening to music at full power over extended periods of time can be damaging to the hearing of the user.
Class 1 Laser
Invisible laser radiation when open and interlocks defeated, avoid exposure to beam.
Tour of the RioVolt
Contents
Index
4 
Tour of the RioVolt
TRACKS/MENU  
Press to enter Tracks 
Navigation Mode; 
Press and hold to 
enter Menu Mode
MODE/EQ  
Press to set 
repeat/shuffle; 
Press and hold 
to set equalizer
VOLUME + and - 
Press to adjust 
volume level
+10
Press to skip 
forward 10 
tracks; 
Press and 
hold to skip 
forward to 
the next 
directory
Display (LCD)
PLAY/PAUSE Press to play or pause playback; 
Press to turn on player
REVERSE and FORWARD Press to skip to the 
previous or next track; Press and hold to scan 
forward or back through current track; If a track 
is playing, press REVERSE to skip to the 
beginning of the current track
STOP Press to stop playback; Press and hold to 
turn off player
-10
Press to skip 
back 10 
tracks; 
Press and 
hold to skip 
back to the 
previous 
directory
Battery Compartment 
Cover
Slides out and lifts up; 
Insert 2 AA-size alkaline 
batteries here
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Tour of the RioVolt (continued)
Contents
Index
5 
LCD
OPEN Opens the 
player cover
LOCK/UNLOCK 
Disables or enables 
function keys to 
prevent accidental 
operation
LCD
MULTIFUNCTION 
port Connects to 
earphones, 
headphones or optional 
remote control
LINE OUT Connects the 
player to an external 
audio system (cable not 
included)
DC IN JACK 
Connects to 
optional power 
adapter to save 
battery life
Repeat/Shuffle
Indicators
Playback
Mode
Track Number
Artist Name/CD
Title/Directory
Name
Track Title
Lock Indicator
External Power Indicator
Battery Indicator Shows remaining battery 
power. All three segments illuminated = a fully 
charged battery. Segments not illuminated = a 
run down battery. The battery indicator blinks 
when less than 20% battery life remains.
Track Time/Volume Level/EQ
Contents
Index
6 
LCD
LCD (continued)
Tracks Navigation Mode
Directory
 Selected
Directory
Track
Note: The highlighted cursor
indicates the Directory is the 
currently selected option. Pressing 
the FORWARD button would allow 
you to navigate that Directory.
 
Menu Mode
Menu Option
Selected Option Value
Option Value
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Getting Started
Contents
Index
7 
Connect Earphones 
Connect the supplied earphones to the 
MULTIFUNCTION
port on the side of the player.
Tip: You can also use the LINE OUT jack to 
connect the player to an external audio 
system (cable not included) or optional car 
kit (not included).
Getting Started
Unpack
Make sure your player includes the following 
accessories:
• Two AA 1.5 volt alkaline batteries 
• Earphones
• Quick Start Poster
Insert Batteries
1 Slide open the battery compartment cover on the 
back of the RioVolt.
2 Insert the two supplied batteries. Ensure the 
batteries are inserted properly by matching the 
+ and - symbols on the battery with the symbols 
on the RioVolt.
3 Replace the battery compartment cover.
Playing Music
Contents
Index
8 
Playing Music
Insert Disc
1 Slide the OPEN button to release the latch, and 
open the CD cover.
2 Remove the cardboard insert.
3 Insert an audio CD or MP3/WMA CD into the 
player, label side up.
4 Close the CD cover.
Note: The RioVolt can play CDs with the 
following logos:
Play Disc
1 Press the PLAY/PAUSE
button to turn on the 
player and begin playback.
Note: There will be a short delay while the 
player loads your music tracks and track 
information.
2 Press the STOP
and hold STOP
button to stop playback. Press 
to turn off the player.
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