CD-3680 Portable CD Player
(420-5075/76) Features Faxback Doc. # 45633

Your Optimus CD-3680 (42-5075)/ CD-3690 (42-5076) Portable Compact Disc
Player with Digital Anti-Shock uses the latest digital audio technology to
give you the clean, crisp sound of compact discs. You can connect the CD player to your home audio or autosound system or connect a pair of stereo earphones for portable, private listening.

The CD player's features include:

Digital Anti-Shock - rapidly scans 3 seconds (42-5075) or 10
System (DAS^2) seconds (42-5076) of data from the CD and
stores it in memory for uninterrupted
play with no sound skip even when the CD
player is exposed to shocks or vibration,
making this CD player excellent for use
in your vehicle.

Eight-Times Oversampling - improves the CD's sound by multiplying
with Digital Filtering the standard 44.1 kHz sample rate by
eight and using a digital filter to
reduce or eliminate distortion.

1-Bit DAC - uses the latest in digital-to-analog
conversion circuitry to accurately repro-
duce all sound levels with virtually no
distortion.

Automatic Search Music - lets you quickly locate and play any
System (ASMS) track on a CD.

Audible Search - lets you rapidly play a CD in either
direction to locate a desires section
of a track.

Programmable Play - lets you program and play up to 24 tracks
in any sequence you choose.

Repeat Play - lets you automatically repeat a single
track, an entire CD, or a programmed
sequence.

Random Play - randomly selects and plays tracks from
the loaded CD.

Cue - lets you cue a track for play at a later
time.

Intro Scan - scans and plays the first 10 seconds of
each track, so you can find a specific
track.

Extended Bass System - creates a fuller bass sound.

Auto Power On/Off - automatically turns on the CD player when
you press PLAY/PAUSE, and turns it off
when you press STOP/CLEAR or 2 minutes
after it finishes playing, to help
preserve battery life.

Hold - prevents accidentally changing the CD
player's control settings and preserves
battery life by locking most controls.

Resume - lets you easily resume listening to the
track that was selected when you stopped
playing a CD.

Three Power Sources - let you power your CD player from two
standard or rechargeable nickel-cadmium
AA batteries, your vehicle's battery
using the supplied DC adapter, or stand-
ard AC power using an optional AC adapter.

Power/Charging Jack - lets you charge nickel-cadmium batteries
removing them from the CD player.

Lighted Buttons and Display - when you operate the CD player with an AC
or DC Adapter, the buttons and display
light up for easy viewing in the dark.

Supplied CD-to-Cassette Adapter - lets you connect the CD player directly
to a cassette player in your home or
vehicle.

Line Out Jack and Supplied - makes it easy to connect the CD player
Y-Cable to your sound system's low-level inputs.

5- or 3-Inch CD Compatible

Carrying Pouch (Supplied with 42-5076 only)

IMPORTANT: You need a pair of stereo headphones, earphones, or amplified
speakers, or a home audio or autosound system to use your CD
player. Your local RadioShack store carries a complete line
of headphones, earphones, speakers, and audio systems.

CDs that can be played on this CD player have this mark on them:

The CD player's advanced technology makes it simple to operate. But, be
sure you read this Owner's Manual completely so you can take advantage of all its advanced features.

WARNINGS: This CD player employs a laser light beam. Only a qualified
service person should remove the cover or attempt to service
this device, due to possible eye injury.

This use of controls, adjustments, or procedures other than
those specified herein might result in hazardous radiation
exposure.

FCC Information

This equipment complies with the limits for a Class B digits device as
specified in Part 15 of FCC Rules. These limits provide reasonable pro-
tection against radio and TV interference in a residential area. However,
your CD player might cause TV or radio interference even when it is oper-
ating properly. To eliminate interference, you can try one or more of the
following corrective measures:

Increase the distance between the CD player and the radio or TV.

Use outlets on different electrical circuits for the CD player and the
radio or TV.

Consult your local RadioShack store if the problem still exists.

(LB/SM 12/02/97)