Optimus STAV-3770 Owner's Manual
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Optimus STAV-3770 Owner's Manual

Professional series audio/video stereo receiver
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STAV-3770 AUDIO/VIDEO RECEIVER
STANDBY
POWER
SPEAKER
PHONES
Owner's Manual
MEMORY FM MONO
CLASS
SELECT
STATION
OSR
TUNING
VCR
TAPE 1
4X100WATT
EQUAL POWER OUTPUT
Audio/Video
Receiver
STAV-3770
DSP
DIGITAL
SIGNAL
PROCESSOR
TAPE 2
DVD/LD
CD
FM/AM
PHONO
MONITOR
Please read before using this equipment.
DSP
DOLBY
MODE
VIRTUAL
DOLBY
LOUDNESS
PRO LOGIC
SELECT
TONE
DOWN
UP
BALANCE
LEFT
RIGHT
MIN
31-3042
Cat. No.
DOLBY SURROUND
P R O
L O G I C
VOLUME
MAX

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Summary of Contents for Optimus STAV-3770

  • Page 1 STAV-3770 AUDIO/VIDEO RECEIVER STANDBY MEMORY FM MONO POWER STATION TUNING SPEAKER 4X100WATT EQUAL POWER OUTPUT PHONES Owner’s Manual CLASS SELECT DVD/LD FM/AM PHONO TAPE 1 Audio/Video Receiver STAV-3770 DOLBY MODE VIRTUAL DIGITAL SIGNAL PROCESSOR DOLBY LOUDNESS PRO LOGIC SELECT TAPE 2...
  • Page 2 Dolby, Pro Logic, and the double-D symbol ( RadioShack and Optimus are registered trademarks used by Tandy Corporation. Your Optimus STAV-3770 Audio/Video Receiver is the perfect control center for your audio/video system. It combines 100 watts-per-channel of clean power with modern styling. And, it provides connections for one tape deck, one audio/ video source, one more tape deck or audio/video playback source, a turntable, a CD player, and a video monitor.

  • Page 3: Important Safety Instructions

    IMPORTANT SAFETY INSTRUCTIONS This receiver is made and tested to meet exacting safety standards. It meets both UL and FCC require- ments WARNING: TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK, DO NOT EXPOSE THIS APPLIANCE TO RAIN OR MOISTURE.

  • Page 4: Table Of Contents

    Contents Preparing Your Receiver ................5 Positioning Speakers .

  • Page 5: Preparing Your Receiver

    Preparing Your Receiver Caution: Make all the necessary connections before you plug in or turn on the receiver. Positioning Speakers Halfway Point Midway Point Between Speake Between Speakers a = b Person in Listening Area Normal Listening Point • Surround speakers generally sound best if you position them above ear level.

  • Page 6: Connecting Speakers

    Preparing Your Receiver Connecting Speakers Follow these guidelines when you select and connect speakers. • Only connect speakers that are rated at between 8 and 16 Ohms. • Be sure you properly connect all speakers. • Do not connect two pairs of speakers to a single set of terminals at the same time.

  • Page 7: Connecting The Front Speakers

    Note: Be sure you connect the re- ceiver’s right and left positive (+) and negative (–) terminals to the speaker’s corresponding right and left positive (+) and negative (–) terminals. Right AUDIO WOOFER Amplified Subwoofer SPEAKER Right Surround Speakers Connecting the Front Speakers Follow these steps to connect the right speaker to the receiver’s right terminals.
  • Page 8 Preparing Your Receiver Connecting Surround-Sound Speakers You can connect a pair of speakers to the receiver for surround-sound pro- grams. Follow the steps in “Connecting the Front Speakers” to connect the speakers to the terminals. SURROUND SPEAKERS Connecting the Center Speaker The center speaker gives additional ambience to surround sound.

  • Page 9: Connecting Program Sources

    Connecting Program Sources Note: Use shielded audio cables with phono connectors for all audio connec- tions. Note: If you place the cassette deck di- rectly above, below, or to the left of the receiver, the receiver could interfere with the cassette deck’s operation. If possi- ble, position the cassette deck to the right or away from the receiver.

  • Page 10: Connecting Video Sources

    Preparing Your Receiver Note: If your VCR is monaural, use a Y- adapter (available at your local Ra- dioShack store) to connect the VCR’s audio output to both the audio in- puts on the receiver. VIDEO CONTROL VIDEO PLAY PHONO TAPE2 DVD/ MONITOR...

  • Page 11: Connecting The Antennas

    Connecting the Antennas LOOP ANTENNA AM Loop ANTENN Antenna UNBAL Outdoor AM Antenna LOOP ANTENNA AM Loop ANTENN Antenna UNBAL Note: For the best results, use 75-ohm coaxial cable to connect an outdoor an- tenna to the receiver. LOOP ANTENNA ANTENN UNBAL In many areas, the supplied indoor AM loop and FM antennas provide satisfac-...
  • Page 12 Preparing Your Receiver Warning: To prevent injury, read and fol- low all cautions and warnings that ac- company the outdoor antenna. Caution: The cable’s shielding should only touch the terminal. For the best radio reception, use an outdoor antenna. Follow these steps to connect an outdoor FM antenna to the receiver using 75 coaxial cable.

  • Page 13: Using One Remote Control For More Than One Unit

    Using One Remote Control for More than One Unit Note: When you plug the cable into a component’s jack, that com- CONTROL IN ponent’s remote sensor does not func- tion. CONTROL CONTROL Receiver Other Component with OSR Mark To the CONTROL IN Jack Remote of Another Component Control...

  • Page 14: Using The Ac Power Outlet

    Preparing Your Receiver Using the AC Power Outlet Caution: Do not connect appliances with high power consumption, such as a heater, iron, monitor, or TV, to this AC outlet. Doing so can cause a risk of over- heating and fire, and could damage the receiver.

  • Page 15: Basic Operation

    Basic Operation Warning: To prevent possible hearing loss, turn before you turn VOLUME on the receiver or change the program sources. After you turn on the receiver or change the program source, adjust to a comfortable listening level. Note: If you select a source while TAPE 2 is engaged, TAPE 2...

  • Page 16: Tuning The Radio

    Basic Operation Tuning the Radio Note: For weak signals, we recommend manual tuning. Your receiver has four types of electronic tuning — manual, automatic, direct access, and memory. Manual and Automatic Tuning Follow these steps to manually or automatically tune to stations. Hint: If none of the tuning buttons on the remote control operate, press first.

  • Page 17: Using Fm Mono

    Note: A class is a group of up to 10 sta- tion frequencies. Notes: • If you store a frequency in a memory that already contains a frequency, you replace the previous frequency. • If your receiver is disconnected from AC power for several days, it loses all the stored frequencies.

  • Page 18: Using Headphones

    Basic Operation Using Headphones Muting the Receiver Loudness Control Bypassing the Sound Controls (Remote Control Only) To listen with headphones (not supplied), insert the headphones’ into the receiver’s front panel PHONES with headphones without disturbing others, press appears on the display. Listening Safely To protect your hearing, note the following when using headphones.

  • Page 19: Cassette Deck/Vcr Features

    You can copy (dub) a cassette tape from one cassette deck to another through the STAV-3770. You can use either deck as the playback or recording deck. However, if you want to monitor the cassette deck during dubbing, use the deck connected to...

  • Page 20: Playing And Recording Video Tapes

    Copying a Video Tape Follow these steps to copy a video tape from one VCR to another through the STAV-3770. 1. Load the tape you want to copy into the VCR connected to 2. Load a blank tape (or one you want to record over) into the VCR con- nected to the jacks.

  • Page 21: Using Advanced Sound Options

    Using Advanced Sound Options Your receiver has four special sound options: Dolby Pro Logic Surround, Dolby 3CH Logic, DSP Effect, and Dolby Virtual. These special options enhance the sound from a connected program source. Notes: • To get the full benefit from programs encoded with Dolby Surround Sound, you need a stereo VCR or DVD/LD player.

  • Page 22: Sound Mode Adjustments

    Using Advanced Sound Options Sound Mode Adjustments (Remote Control Only) Note: If you do not use a center speaker, the monaural signals are only repro- duced if you select PHANTOM. Note: Use the control to adjust VOLUME the overall sound level. Center Mode Setting The center mode setting affects the center channel’s bass signals.

  • Page 23: Delay Time

    Notes: • For Dolby Pro Logic Surround, the de- lay is preset to 5 ms. • The delay time does not affect the DSP or Dolby Virtual mode. Using Advanced Sound Options Delay Time In the Dolby Pro Logic Surround modes ( ATER 2 ), the receiver slightly delays the sound going to the rear speakers.

  • Page 24: Using The Remote Control

    CONTROL MODE Buttons The three buttons select the device you connected to the CONTROL MODE jack of the STAV-3770, CD player, VCR, or cassette deck. TROL OUT Receiver/Amplifier Operation Before operation, press to select receiver/amplifier operation.

  • Page 25: Cd Player Operation

    POWER STATION CD Player TAPE BAND FREQ Buttons DIRECT TUNER MONO CLASS ACCESS TEST REAR TONE LEVEL CENTER CENTER MODE LEVEL CONTROL MODE DISC DELAY EFFECT SURROUND TIME PRO LOGIC DSP MODE MUTING VIRTUAL LOUD RECEIVER MASTER VOLUME POWER FUNC DIRECT AUDIO/VIDEO SYSTEM REMOTE...

  • Page 26: Troubleshooting

    Troubleshooting If the receiver is not working as it should, the following suggestions might help. If you follow the suggestions in this chart and the receiver still does not work properly, contact your local RadioShack store for assistance. Problem Power does not turn on. Power cord is disconnected.

  • Page 27: Care And Maintenance

    Care and Maintenance Your Optimus STAV-3770 Audio/Video Receiver is an example of superior design and craftsmanship. The following sugges- tions will help you care for the receiver so you can enjoy it for years. Modifying or tampering with your receiver’s internal components can cause a malfunction and might invalidate the receiver’s warranty and void your FCC authorization to operate it.

  • Page 28: The Fcc Wants You To Know

    The FCC Wants You to Know Your receiver might cause radio or TV interference even when it is operating properly. To determine whether your receiver is causing the interference, turn off your receiver. If the interference goes away, your receiver is causing it. Try to eliminate the interference by: •...

  • Page 29: Specifications

    Specifications Amplifier Front Channel Average Power Output ........100 Watts per Channel into 8 Ohms Front Channel Surround Power Output .
  • Page 30 Specifications FM Tuner Frequency Range ............... 87.5 to 108 MHz Usable Sensitivity .

  • Page 31: Index To Features By Control Name

    Index to Features by Control Name This table lists the control and indicator names found on the front of your receiver, along with the page number where the con- trol or indicator is discussed. To find a description for the buttons on the remote control, see “Using the Remote Control” on Page 24.
  • Page 32 Limited Two-Year Warranty This product is warranted by RadioShack against manufacturing defects in material and workman- ship under normal use for two (2) years from the date of purchase from RadioShack company- owned stores and authorized RadioShack franchisees and dealers. EXCEPT AS PROVIDED HEREIN, RadioShack MAKES NO EXPRESS WARRANTIES AND ANY IMPLIED WARRANTIES, INCLUDING THOSE OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE LIMITED IN DURATION TO THE DURATION OF THE WRITTEN LIMITED WARRANTIES...

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