Optimus 31-3042 owner manual Specifications

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Specifications

FM Tuner

Frequency Range	. . . . . . . . . . . . . . . . . 87.5 to 108 MHz
Usable Sensitivity	Mono: 13.2 dBf, IHF (1.3 μV/75 Ohms)
50 dB Quieting Sensitivity
Mono	. . . . . . . . . . . . . . . . . . . . . . . 20.2 dBf
Stereo	. . . . . . . . . . . . . . . . . . . . . . . 38.6 dBf
Signal-to-Noise Ratio
Mono	. . . . . . . . . . . . . . . . . 73 dB (at 85 dBf)
Stereo	. . . . . . . . . . . . . . . . . 70 dB (at 85 dBf)
Distortion Stereo	. . . . . . . . . . . . . . . . . . . . 0.5% (1 kHz)
Alternate Channel Selectivity	. . . . . . . . . . . . . . . . . 60 dB (400 kHz)
Stereo Separation	. . . . . . . . . . . . . . . . . . . 40 dB (1 kHz)
Frequency Response	. . . . . . . . . . . 30 Hz to 15 kHz (±1 dB)
Antenna Input	. . . . . . . . . . . . . 75 Ohms Unbalanced

AM Tuner

Frequency Range	530 to 1700 kHz
Sensitivity (IHF, Loop Antenna)	. . . . 350 μV/m
Selectivity	. . . . . . . 25 dB
Signal-to-Noise Ratio	. . . . . . . 50 dB

General

Power Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 120 Volts AC, 60 Hz Power Consumption . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 210 Watts, 300 VA (UL) AC Outlet Ratings Switched . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Total 100 Watts (0.8 Amps) Maximum

Dimensions (HWD) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 5/8 × 16 9/16 × 1213/16 Inches (143 × 420 × 325 mm)

Weight	16 lb 5 oz
	(7.4 kg)

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

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Contents Please read before using this equipment Audio/Video ReceiverAudio/Video Receiver Introducing the Optimus STAV-3770 Introducing the Optimus STAV-3770 Important Safety Instructions Important Safety Instructions Contents Contents Preparing Your Receiver Positioning SpeakersPreparing Your Receiver Connecting Speakers Preparing the Speaker WiresPreparing Your Receiver Connecting the Front Speakers Preparing Your Receiver Connecting Surround-Sound Speakers Connecting the Center SpeakerConnecting a Subwoofer Amplifier Preparing Your Receiver Connecting a Turntable Connecting a CD PlayerConnecting Cassette Decks Preparing Your Receiver Connecting Video Sources Connecting a Video MonitorPreparing Your Receiver Connecting the Antennas AM AntennasFM Antennas Preparing Your Receiver Inner Insulation Center Wire Outer Insulation Shielding Preparing Your Receiver Installing Remote Control’s Batteries Using One Remote Control for More than One UnitPreparing Your Receiver Using the AC Power Outlet Connecting to AC PowerPreparing Your Receiver Basic Operation Basic Operation Tuning the Radio Manual and Automatic TuningDirect Access Tuning Remote Control Only Basic Operation Using FM Mono Adjusting BalanceMemory Tuning Basic Operation Using Headphones Bypassing the Sound Controls Remote Control OnlyMuting the Receiver Loudness ControlBasic Operation Cassette Deck/VCR Features Dubbing a Cassette TapeCassette Deck/VCR Features Playing a Video Tape Copying a Video TapeCassette Deck/VCR Features Using Advanced Sound Options Dolby Pro Logic SurroundDolby 3CH Logic Dolby VirtualUsing Advanced Sound Options Center Mode Setting Test ToneCenter Level Rear LevelUsing Advanced Sound Options Delay Time Effect LevelUsing Advanced Sound Options Using the Remote Control Control Mode ButtonsReceiver/Amplifier Operation Using the Remote Control CD Player Operation Cassette Deck OperationUsing the Remote Control Troubleshooting Problem Cause SuggestionTroubleshooting Care and Maintenance Care and Maintenance FCC Wants You to Know FCC Wants You to Know Specifications AmplifierVideo Section Specifications FM Tuner AM TunerGeneral Specifications Index to Features by Control Name ControlIndex to Features by Control Name RadioShack Division of Tandy Corporation Fort Worth, Texas RadioShack Division of Tandy Corporation Fort Worth, Texas