Optimus SYSTEM 747 owner manual Specifications, Cassette

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SPECIFICATIONS

Cassette
Tape Speed	17/8 ips (4.75 cm/sec)
Wow and Flutter	0.35% WRMS
Frequency Response	125 Hz–8 kHz ±6 dB
Recording System	AC Bias
Erase System	Magnetic
CD Player
Number of Tracks to be Programmed	32 Tracks
Frequency Response (±3 dB)	100 Hz–20 kHz
Dynamic Range	82 dB
Signal-to-Noise	(JIS-A) 68 dB
Harmonic Distortion (at 1 kHz)	0.5%
Separation (at 1 kHz)	40 dB
Sampling Frequency	44.1 kHz
Quantization Number	1-Bit
Oversampling	8 Times
Pick-Up System	3 Beam
Optical Source	Semiconductor Laser
Wavelength	780 nm
General
Power Supply	120V AC
Power Output	5 Watts per Channel
Tuning Range	AM: 530–1710 kHz
	FM: 88–108 MHz
Speaker Dimensions (HWD)	71/16 × 71/2 × 101/4 Inches
	(180 × 190 × 260 mm)
Speaker Size	5 Inches
Speaker Impedance	4 Ohms
System Dimensions (HWD)	111/2 × 125/8 × 107/8 Inches
	(292 × 321 × 277 mm)
Weight	17 lb 3 oz
	(7.8 kg)

Specifications are typical; individual units might vary. Specifications are subject to change and improvement without notice.

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Contents System Features CD PlayerCassette Player FCC Information Contents Connecting to Power Connecting Speakers Connecting the FM AntennaShow Standby indicator location PreparationUsing Headphones Listening SafelyShow location Show Volume location Show Function switch locationBasic Operation Show Stereo Wide locationTuner Operation Show Tuning locationShow Function set to Tuner Show FM MONO/STEREO set to StereoCD Player Operation Loading a CDPlaying a CD Automatic Skip Selecting Another CDShow Stop location Show Skip locationsRandom Play Audible SearchShow Search locations Show Random locationProgrammed Play Repeat PlayProgramming and Playing a Sequence of Tracks Show Repeat locationCD Care Tips Reviewing the Programmed SequenceErasing the Programmed Sequence Fm Page 14 Wednesday, July 14, 1999 710 PM Cassette Deck Operation Loading a Cassette TapePlaying a Cassette Tape Recording on a Cassette Tape Recording from a CDShow FAST-F and Rewind location Recording from the Tuner Tape Care TipsPreventing Accidental Erasure Show Beat 1/2 locationErasing a Cassette Tape Restoring Tape Tension and Sound QualityShow Side a erase protection tab being covered by tape Care and Maintenance Show parts to be cleaned with callout to all parts Cleaning the Tape Handling PartsCassette SpecificationsFm Page 22 Wednesday, July 14, 1999 710 PM Fm Page 23 Wednesday, July 14, 1999 710 PM RadioShack Division of Tandy Corporation Fort Worth, Texas