Page 2 - Introducing the Optimus STAV-3780; Dolby Pro Logic; Note to the Cable TV System Installer:
2 Introducing the Optimus STAV-3780 Your Optimus STAV-3780 Audio/Video Receiver operates as the perfect control center for your audio/video system. It combines 100 watts-per -channel of clean power with modern styling. It provides connections for one tape deck, one VCR, two audio/video sources, a tu...
Page 3 - CAUTION; CAUTION; IMPORTANT SAFETY INSTRUCTIONS
3 This receiver is made and tested to meet exactingsafety standards. It meets both UL and FCC require-ments. CAUTION Power Lines — Locate an outdoor antenna away frompower lines. Nonuse Periods — Unplug the receiver’s power cordwhen you will not use it for extended periods. Outdoor Antenna Grounding...
Page 4 - Contents
4 Contents Preparing Your Receiver . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Positioning Speakers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...
Page 5 - Preparing Your Receiver; Positioning Speakers; hole; • Surround speakers generally sound
5 Preparing Your Receiver Positioning Speakers Where you place your speakers (not supplied) can make a noticeable difference in your system’s sound. The guidelines in this section will help you choose the best locations. After you use your receiver for a while, you might want to try different locati...
Page 6 - Preparing the Speaker Wires; • Only connect speakers that are rated
6 Preparing Your Receiver Connecting Speakers Preparing the Speaker Wires Speaker wire consists of two conductors (individual wires) encased in insulation and is usually color -coded or marked with a ridge along one side so you can identify each conductor. Use these markings as a guide to help you p...
Page 7 - Connecting the Front Speakers
7 Preparing Your Receiver Connecting the Front Speakers Follow these steps to connect the right speaker to the receiver’s right FRONT SPEAKERS terminals. 1. Press open the receiver’s FRONT SPEAKERS R (+) red lever and insert the ridged or color -coded conductor’s end into the small hole. Press the l...
Page 8 - Connecting Surround-Sound Speakers; Connecting the Center Speaker; nect this jack to the audio input of your TV.; Connecting a Subwoofer Amplifier; to an amplified subwoofer’s line-level input or to an
8 Preparing Your Receiver Preparing Your Receiver Connecting Surround-Sound Speakers You can connect a pair of speakers to the receiver for surround-sound programs. Follow the steps in “Connecting the Front Speakers” to con-nect the speakers to the SURROUND SPEAKERS terminals. Connecting the Center ...
Page 9 - Connecting a Turntable
9 Preparing Your Receiver ConnectingProgram Sources You can connect up to five external program sources to your receiver. Connecting a Turntable Connect a turntable with a magnetic cartridge only. Some older turnta-bles use a ceramic-type cartridge that does not work with this system. Connect the tu...
Page 10 - Connecting Video Sources; and
10 Preparing Your Receiver Connecting Video Sources If you connect three video sources, such as VCRs, laser disc (LD) play-ers, or digital video disc (DVD) players to your receiver, you can use the receiver to select each video source. You can also use the receiver to easily record from these video ...
Page 11 - output jacks for sig-
11 Preparing Your Receiver DVD 5.1-Channel Inputs The STAV-3780 accepts both 2-channel and 5.1-channel input for DVD players and multi-channel decoders. Selecting the 5.1-channel mode enables the SURROUND L/R , CENTER , and SUBWOOFER output jacks for sig- nal processing with multi-channel decoder or...
Page 12 - AM Antennas; FM Antennas
12 Preparing Your Receiver Connecting the Antennas In many areas, the supplied indoor AM loop and FM antennas provide satisfactory reception. AM Antennas Assemble the supplied AM antenna’s base by swinging the base in the direction of the arrow and inserting the antenna’s bottom tabs into the base’s...
Page 14 - • Use only fresh batteries of the required
14 Preparing Your Receiver Using One Remote Controlfor More than One Unit If you also have an Optimus professional series CD player, VCR, or cas-sette deck with the OSR mark ( ), you can connect its CONTROL IN jack to the receiver so you can control all of your equipment with a single remote control...
Page 16 - Basic Operation; to; Note: If you select a source while; flashes
16 Basic Operation The controls on the remote control work the same as the buttons on the receiver’s front panel, though some are labeled differently. Follow these steps to use the receiver. 1. Press POWER to turn on the receiver’s power. 2. Press SPEAKERS on the front panel (if necessary) so SP A a...
Page 17 - Manual and Automatic Tuning; AM; Direct Access Tuning (Remote Control Only); • A class is a group of up to 10 station
17 Basic Operation Tuning the Radio 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. Note: If none of the tuning buttons on the remote control operate, press...
Page 18 - Memory Tuning; Using MPX Mode; • If you store a frequency in a memory
18 Basic Operation Memory Tuning Memory tuning lets you store up to 30 AM or FM frequencies in three different classes (10 frequencies in each class), then quickly tune to a class and station. Follow these steps to store a station in a memory location using the front panel controls. (You cannot stor...
Page 19 - SP; Listening Safely; Muting the Receiver; LOUDNESS
19 Basic Operation Using Headphones To listen with headphones (not supplied), insert the headphones’ 1 / 4 - inch plug into the receiver’s front panel PHONES jack. To silence the speakers and listen with headphones without disturbing others, press SPEAKER so only SP appears on the display. Listening...
Page 20 - Cassette Deck/VCR Features; Dubbing a Cassette Tape; TAPE
20 Cassette Deck/VCR Features You can connect two cassette decks to the receiver. Selecting either VCR/ TAPE 1 or TAPE 2 MONITOR lets you hear the playback from the cassette deck you connected to the receiver’s corresponding ( VCR/TAPE 1 or TAPE 2 MONITOR ) jacks. Using the VCR/TAPE 1 and TAPE 2 MON...
Page 21 - Playing a Video Tape; Copying a Video Tape
21 Cassette Deck/VCR Features Playing and Recording Video Tapes You can connect two video sources to the receiver. If you connect a VCR to the VCR/TAPE 1 and DVD/TV or LD/SAT audio and video jacks, you can copy video cassette tapes from one VCR to another and monitor the dubbing process. Playing a V...
Page 22 - Using Advanced Sound Options; Dolby Pro Logic Surround
22 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 Sur- roun...
Page 23 - Center Mode Setting
23 Using Advanced Sound Options 5-D Theater 5-D Theater provides clearer and more dynamic sound effects by out-putting audio signals through the rear channel to simulate the stereo sound, compared with a standard surround system which provides only monaural signals to the rear speakers. Press 5-D TH...
Page 24 - • You must use the remote control to
24 Using Advanced Sound Options Test Tone The test tone lets you balance the signal levels between all your speak-ers. To adjust the levels, see “Center Level” and “Rear Level.” To turn on the test tone, select one of the surround sound modes ( PRO LOGIC , or 5.1-CH ) then press SURROUND . Then pres...
Page 25 - Using the Remote Control; CONTROL MODE Buttons; The; buttons select the device you want to control.
25 Using the Remote Control The remote control works up to a distance of about 23 feet, and within a 30-degree angle on either side of the receiver. Point the control at the receiver’s front panel and press the desired button(s). Many buttons on the remote control work the same as buttons on the rec...
Page 26 - VCR Brand
26 Using the Remote Control VCR Brand Code Fisher 410,426,412,427,425,420 Goldstar 411,409 Hitachi 408,401,406,436,434 JVC 428,430,429,408,414,431,407 Magnavox 414,408,426,403 Mitsubishi 409,420,421,422,423,424,408,407 Optimus 408,432,433,402,418,419 Panasonic 408,432,433 Pioneer 400 RCA 401,406,408...
Page 27 - CD Brand
27 Using the Remote Control CD Brand Code Denon 309 JVC 303 Kenwood 310,321,311 Marantz 323,312,324 Onkyo 320,308,307 Optimus 300 Philips 312,322 Pioneer 300 RCA 302,319,313 Sanyo 313 Sony 301,316,317,318 TEAC 305,306,327,324,325 Technics 304,326 Yamaha 315,314,328 TV Brand Code GE 601,608,610,611,6...
Page 28 - CATV Brand
28 Using the Remote Control 2. While holding down PRESET , press the button for the the device you want to set. The PRESET RECALL indicator lights. The labels on the CONTROL MODE buttons are for your convenience only. You can program any device to any button. For example, if you do not have a DVD pl...
Page 29 - Receiver/Amplifier Operation; Before operation, press
29 Using the Remote Control Receiver/Amplifier Operation Before operation, press TUNER to select receiver/amplifier operation. STATION Tunes to the next higher or lower memory location. BAND Selects the AM or FM tuner band. TUNING Tunes to radio stations. MPX Selects the FM reception mode. CLASS Sel...
Page 30 - CD Player/MD Recorder Operation; Number Buttons; Cassette Deck Operation
30 Using the Remote Control CD Player/MD Recorder Operation Note: You must have connected the CD player to both of your receiver’s CONTROL OUT and audio jacks or programmed the code for your CD player/MD recorder into the remote control for these functions to work. Before operation, press CD (or the...
Page 31 - DVD Player Operation
31 Using the Remote Control DVD Player Operation Note: You must have programmed the code for your DVD player into the remote control for these functions to work. Before operation, press DVD (or the one connected to your DVD player) to select DVD player operation. POWER Turns on/off the DVD player. P...
Page 32 - LD Player Operation; VCR Operation
32 Using the Remote Control LD Player Operation Note: You must have programmed the code for your LD player into the remote control for these functions to work. Before operation, press LD (or the one connected to your LD player) to select LD player operation. POWER Turns the LD player on and off. | /...
Page 33 - TV and CATV Operation; Satellite Receiver Operation
33 Using the Remote Control TV and CATV Operation Note: You must have programmed the code for your TV or CATV into the remote control for these functions to work. Before operation, press TV (or the one connected to your TV or CATV) to select TV/CATV operation. POWER Turns on/off the TV or CATV. CHAN...
Page 34 - Troubleshooting; Problem; SP A
34 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 Cause Suggestion Power does not turn on. Power ...
Page 35 - Care and Maintenance
35 Care and Maintenance Your Optimus STAV-3780 Audio/Video Receiver is an example of superior design and craftsmanship. The following suggestions will help you care for the receiver so you can enjoy it for years. Keep the receiver dry. If it gets wet, wipe it dry immediately. Liquids can contain min...
Page 36 - The FCC Wants You to Know; • Moving your radio or TV away from the receiver
36 The FCC Wants You to Know Your receiver might cause radio or TV interference even when it is oper-ating properly. To determine whether your receiver is causing the inter-ference, turn off your receiver. If the interference goes away, your re-ceiver is causing it. T ry to eliminate the interferenc...
Page 37 - Specifications; Amplifier
37 Specifications Amplifier Front Channel Average Power Output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100 Watts per Channel into 8 Ohms From 20 to 20,000 Hz, With No More than 0.09% Total Harmonic Distortion Measured Pursuant to the Federal Trade Commission’s T rade Regulation R...
Page 38 - 0 dB Quieting Sensitivity; AM Tuner; Inches
38 Specifications FM Tuner Frequency Range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 87.5 to 108 MHz Usable Sensitivity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Mono: 13.2 dBf, ...
Page 39 - Index to Features by Control Name; Control
39 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 25. ...
Page 40 - Printed in Indonesia
RadioShack A Division of Tandy Corporation Fort Worth, Texas 76102 <ARB7194-A> 04A99 Printed in Indonesia 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 fr...