Optimus OPTIMUS 31-3042 manual

ST A V- 37 70 Cat. No. 31- 3042 Owne r ’s M anua l Plea se r ead bef ore u sing this eq ui pment . Au di o/V i de o Receiv er ST A V -3770 A UDIO/VIDEO RECEIVER ST ANDBY POWER SPEAKER PHONES MEMORY FM MONO CLASS ST A TION TUNING SELECT DSP MODE DOLBY VIRTUAL DOLBY PRO LOGIC LOUDNESS SELECT TONE DOWN UP BALANCE LEFT RIGHT VOLUME MIN MAX T APE 2 MO[...]

ST A V- 37 70 Cat. No. 31- 3042 Owne r ’s M anua l Plea se r ead bef ore u sing this eq ui pment . Au di o/V i de o Receiv er ST A V -3770 A UDIO/VIDEO RECEIVER ST ANDBY POWER SPEAKER PHONES MEMORY FM MONO CLASS ST A TION TUNING SELECT DSP MODE DOLBY VIRTUAL DOLBY PRO LOGIC LOUDNESS SELECT TONE DOWN UP BALANCE LEFT RIGHT VOLUME MIN MAX T APE 2 MO[...]

2 Int r od uc in g t he Op ti mus S T A V - 3770 Y our Opt imus ST A V-377 0 Audio/Video Receiver is the perf ect control center for your audio/video syst em. It combines 100 watts-per-channel of cl ean power with modern styling. A nd, it p rovides c onnec tions for o ne tape deck, one au dio/ video s ource, one more t ape dec k or audio/vide o pla[...]

2 Int r od uc in g t he Op ti mus S T A V - 3770 Y our Opt imus ST A V-377 0 Audio/Video Receiver is the perf ect control center for your audio/video syst em. It combines 100 watts-per-channel of cl ean power with modern styling. A nd, it p rovides c onnec tions for o ne tape deck, one au dio/ video s ource, one more t ape dec k or audio/vide o pla[...]

3 Thi s receiv er is ma de and te sted to mee t exac ting safe ty sta ndar ds. It m eets both UL and FC C requ ir e- ment s W ARNING: TO REDUCE THE R ISK OF FIRE OR ELECTRIC S HOCK, DO NOT EXPO SE THIS A PPLI A NCE TO R AIN OR MOISTURE. This sym bol i s inte nded to alert y ou to the pre s ence of un in su late d d an ge rou s volt ag e with in the[...]

3 Thi s receiv er is ma de and te sted to mee t exac ting safe ty sta ndar ds. It m eets both UL and FC C requ ir e- ment s W ARNING: TO REDUCE THE R ISK OF FIRE OR ELECTRIC S HOCK, DO NOT EXPO SE THIS A PPLI A NCE TO R AIN OR MOISTURE. This sym bol i s inte nded to alert y ou to the pre s ence of un in su late d d an ge rou s volt ag e with in the[...]

4 Cont ents P rep aring Y our Rec eiver . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Positioning Speakers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .[...]

4 Cont ents P rep aring Y our Rec eiver . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Positioning Speakers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .[...]

5 Pre pa rin g Y o ur R ec ei ver Pos iti on in g S pea ke rs W here you place your speakers (not supplie d) can make a noticeab le difference in your system ’s sound. The guidel ines in thi s section will help you choose the best locations. After you use your r e ceiver for a while, you might want t o try di f- ferent l ocations for you r speak [...]

5 Pre pa rin g Y o ur R ec ei ver Pos iti on in g S pea ke rs W here you place your speakers (not supplie d) can make a noticeab le difference in your system ’s sound. The guidel ines in thi s section will help you choose the best locations. After you use your r e ceiver for a while, you might want t o try di f- ferent l ocations for you r speak [...]

6 Pre pari ng Your Re cei ver C o nnect ing Spea ker s Prep aring the Sp eake r Wi res Spea ker wire consi sts of two condu ctors (individual wires) enca sed in insulation and i s usual ly color-code d or m arked wi th a ridge alon g one s ide so you can ident ify each conduct or . Use these marking s as a guide to help you properl y conn ect the s[...]

6 Pre pari ng Your Re cei ver C o nnect ing Spea ker s Prep aring the Sp eake r Wi res Spea ker wire consi sts of two condu ctors (individual wires) enca sed in insulation and i s usual ly color-code d or m arked wi th a ridge alon g one s ide so you can ident ify each conduct or . Use these marking s as a guide to help you properl y conn ect the s[...]

7 P rep ar ing Y our R e cei ve r Connect ing the F r ont S peake rs Follow these steps to connect the right speaker to t he receiver ’ s right FR ONT SPEAKERS te rm in a ls. 1. P ress open the receiv er ’s FRONT SPEAKERS R (+) red lever a nd insert the ridged or color-code d conductor ’ s end into the sma ll hole. Press the lever closed to s[...]

7 P rep ar ing Y our R e cei ve r Connect ing the F r ont S peake rs Follow these steps to connect the right speaker to t he receiver ’ s right FR ONT SPEAKERS te rm in a ls. 1. P ress open the receiv er ’s FRONT SPEAKERS R (+) red lever a nd insert the ridged or color-code d conductor ’ s end into the sma ll hole. Press the lever closed to s[...]

8 Pre pari ng Your Re cei ver Co nne c ti n g Su rr ou nd- Sou n d Spe ake rs Y ou c an c onnect a pair of spea kers to t he rece iver for surroun d-sound pro- grams. Follow the steps in “Connecting the Front Speakers ” to connect the spea kers to the SURROUND S PEAKERS t erminals. Connect ing th e Center S peaker The center speaker gives addit[...]

8 Pre pari ng Your Re cei ver Co nne c ti n g Su rr ou nd- Sou n d Spe ake rs Y ou c an c onnect a pair of spea kers to t he rece iver for surroun d-sound pro- grams. Follow the steps in “Connecting the Front Speakers ” to connect the spea kers to the SURROUND S PEAKERS t erminals. Connect ing th e Center S peaker The center speaker gives addit[...]

9 P rep ar ing Y our R e cei ve r Co nnecti ng Pr ogr am Sourc e s Y ou c an c onnect up to five external program s ources to your recei ver . Connect ing a T urn ta ble Connec t a t urntable with a m agnetic cartri dge only . Some older t urntables use a ceramic-type cartridge that does not work with t his system . Connec t the turntable’s left [...]

9 P rep ar ing Y our R e cei ve r Co nnecti ng Pr ogr am Sourc e s Y ou c an c onnect up to five external program s ources to your recei ver . Connect ing a T urn ta ble Connec t a t urntable with a m agnetic cartri dge only . Some older t urntables use a ceramic-type cartridge that does not work with t his system . Connec t the turntable’s left [...]

10 Pre pari ng Your Re cei ver Co nne c ti n g Vid e o So u rc e s If you c onnect two video s ources, such as VCRs, laser dis c (LD) players, or dig- ital video disc (DVD) players to your receiver , you can use the receiver to select each video source. Y ou can also use the receiver to easily record f rom these video s ources to t he so urce conne[...]

10 Pre pari ng Your Re cei ver Co nne c ti n g Vid e o So u rc e s If you c onnect two video s ources, such as VCRs, laser dis c (LD) players, or dig- ital video disc (DVD) players to your receiver , you can use the receiver to select each video source. Y ou can also use the receiver to easily record f rom these video s ources to t he so urce conne[...]

11 P rep ar ing Y our R e cei ve r Connectin g the Antenna s In many areas, the suppli ed indoor AM loop and FM antennas prov ide satisfac- tory reception. AM Antennas Assem ble the supp lied AM an tenn a’ s ba se by swingi ng the base in the di rection of the arrow and inserting t he antenna’s bottom tabs into t he base’s slot. If the receiv[...]

11 P rep ar ing Y our R e cei ve r Connectin g the Antenna s In many areas, the suppli ed indoor AM loop and FM antennas prov ide satisfac- tory reception. AM Antennas Assem ble the supp lied AM an tenn a’ s ba se by swingi ng the base in the di rection of the arrow and inserting t he antenna’s bottom tabs into t he base’s slot. If the receiv[...]

12 Pre pari ng Your Re cei ver For the best radio recept ion, us e an ou tdoor ant enna. Follow the se steps t o conn ect an outdoor FM antenna to the receiver using 75 Ω coax ial cable. Note: If your ant enna has 300 Ω twin-lead cable, c onsult your local RadioShac k store for the c orrect adap ter . 1. Disc onnect t he s upplied FM an tenna f[...]

12 Pre pari ng Your Re cei ver For the best radio recept ion, us e an ou tdoor ant enna. Follow the se steps t o conn ect an outdoor FM antenna to the receiver using 75 Ω coax ial cable. Note: If your ant enna has 300 Ω twin-lead cable, c onsult your local RadioShac k store for the c orrect adap ter . 1. Disc onnect t he s upplied FM an tenna f[...]

1 3 Pr epar ing Y our Receiv er Us ing O ne Re mo te Cont rol for Mo re tha n O ne Un it If you also have an O ptimus profess ional series CD p layer , V C R, or casset te deck with the OSR mark ( ), you can connect its CONTROL IN jack to the receiver so you can control a ll of your e quipment with a single remote con trol. Y ou can also use the ot[...]

1 3 Pr epar ing Y our Receiv er Us ing O ne Re mo te Cont rol for Mo re tha n O ne Un it If you also have an O ptimus profess ional series CD p layer , V C R, or casset te deck with the OSR mark ( ), you can connect its CONTROL IN jack to the receiver so you can control a ll of your e quipment with a single remote con trol. Y ou can also use the ot[...]

14 Pre pari ng Your Re cei ver Using the AC Power O utlet Y our receiver has an AC power outlet that you can use to power an electronic device , such as a turntable, cassette deck, VCR , and so on. This switched out- let turns on and of f with t he receiver and provides a maximum of 100 W atts. C onnec ting to AC Po wer Before yo u plug in the rece[...]

14 Pre pari ng Your Re cei ver Using the AC Power O utlet Y our receiver has an AC power outlet that you can use to power an electronic device , such as a turntable, cassette deck, VCR , and so on. This switched out- let turns on and of f with t he receiver and provides a maximum of 100 W atts. C onnec ting to AC Po wer Before yo u plug in the rece[...]

1 5 Basi c Op erat ion The controls on the remote control work the same a s the buttons on the receive r ’s f ron t panel, though some are labeled diff erentl y . Follow these steps to use the receiver . 1. P ress PO WER to turn on the receiver ’s power . It t akes abou t 5 secon ds to begin he aring sound. 2. P ress SPEA KER on the left fr o n[...]

1 5 Basi c Op erat ion The controls on the remote control work the same a s the buttons on the receive r ’s f ron t panel, though some are labeled diff erentl y . Follow these steps to use the receiver . 1. P ress PO WER to turn on the receiver ’s power . It t akes abou t 5 secon ds to begin he aring sound. 2. P ress SPEA KER on the left fr o n[...]

16 Bas ic Op er ati on T un ing the Ra dio Y our receiver has four types of electronic tuning — manual , automa tic, direct access, and memory . Ma nu al a n d Au to mat i c T u nin g Follo w these steps to manually or automati cally tune to stations. Hint: I f none of the tuning buttons on the remote control operate, press T UNER firs t. 1. P re[...]

16 Bas ic Op er ati on T un ing the Ra dio Y our receiver has four types of electronic tuning — manual , automa tic, direct access, and memory . Ma nu al a n d Au to mat i c T u nin g Follo w these steps to manually or automati cally tune to stations. Hint: I f none of the tuning buttons on the remote control operate, press T UNER firs t. 1. P re[...]

1 7 Ba sic Op erat ion Me mo ry T uni ng Mem ory tunin g lets you store up to 30 AM or FM frequencies in three different classes (10 fr equenc ies in ea ch class) , then quickly tune t o a c lass and station. Follo w these steps to store a station i n a memory location using the front panel controls. (Y ou cannot store a station in a m em ory using[...]

1 7 Ba sic Op erat ion Me mo ry T uni ng Mem ory tunin g lets you store up to 30 AM or FM frequencies in three different classes (10 fr equenc ies in ea ch class) , then quickly tune t o a c lass and station. Follo w these steps to store a station i n a memory location using the front panel controls. (Y ou cannot store a station in a m em ory using[...]

18 Bas ic Op er ati on Us ing H ead phone s T o listen with headphone s (not supplied), insert t he headphon es’ 1 / 4 -inch plug into the receiver ’s front panel PH ONE S jack. T o silence the speakers and listen with head phones without di sturbing others , press SPEAKE R so only SP appears on t he display . Listen ing Safely T o protec t you[...]

18 Bas ic Op er ati on Us ing H ead phone s T o listen with headphone s (not supplied), insert t he headphon es’ 1 / 4 -inch plug into the receiver ’s front panel PH ONE S jack. T o silence the speakers and listen with head phones without di sturbing others , press SPEAKE R so only SP appears on t he display . Listen ing Safely T o protec t you[...]

1 9 Cas sette Deck/V CR Featu res Y ou ca n connect two cas sette dec ks to the receiver . S electing e ither VCR/T APE 1 or T APE 2 MO NITOR lets you hear the playback from the cassette deck yo u con- nected to the receiver ’s correspond ing ( VCR/T APE 1 or T APE 2 MONITO R ) jacks. Us ing t he VCR/ T APE 1 a nd T APE 2 MO NITO R But to ns Pres[...]

1 9 Cas sette Deck/V CR Featu res Y ou ca n connect two cas sette dec ks to the receiver . S electing e ither VCR/T APE 1 or T APE 2 MO NITOR lets you hear the playback from the cassette deck yo u con- nected to the receiver ’s correspond ing ( VCR/T APE 1 or T APE 2 MONITO R ) jacks. Us ing t he VCR/ T APE 1 a nd T APE 2 MO NITO R But to ns Pres[...]

2 0 Ca sset t e De ck/V CR F ea tur e s Pla y ing and Rec ording V ideo T ap es Y ou c an conne ct two vide o sources to the receiver . If you c onnec t a VCR to the VCR/T APE 1 and DVD/LD audio and video ja cks, you c an copy video casset te tapes from one VCR t o anoth er an d moni tor the dub bing proc ess. P lay i n g a Vide o T ap e T o play a[...]

2 0 Ca sset t e De ck/V CR F ea tur e s Pla y ing and Rec ording V ideo T ap es Y ou c an conne ct two vide o sources to the receiver . If you c onnec t a VCR to the VCR/T APE 1 and DVD/LD audio and video ja cks, you c an copy video casset te tapes from one VCR t o anoth er an d moni tor the dub bing proc ess. P lay i n g a Vide o T ap e T o play a[...]

21 Usin g Advance d Sound Optio ns Y our receiver has four special sound options: Dolby Pro Logic Surround, Dolby 3C H Logic, DSP Eff ect, and Dolby Vi rtual. These special options enhan ce the soun d from a c onnected program s ource. Notes: • T o get t h e full benefit f rom program s encode d with Dolby Surround Sound, you nee d a stereo V CR [...]

21 Usin g Advance d Sound Optio ns Y our receiver has four special sound options: Dolby Pro Logic Surround, Dolby 3C H Logic, DSP Eff ect, and Dolby Vi rtual. These special options enhan ce the soun d from a c onnected program s ource. Notes: • T o get t h e full benefit f rom program s encode d with Dolby Surround Sound, you nee d a stereo V CR [...]

2 2 Us ing A dva nced So und Op ti ons S o und Mode Adj ustme nts ( Rem ote Con trol Only) Cent er Mode Sett ing The center m ode setting affects the center channel’s bass signals. It operates only when you select the Dolby Pro Logic Surroun d or Dolby 3CH Logic mode. On t he rem ote cont rol, press SURROUND the n CENTER MODE . Each time you pres[...]

2 2 Us ing A dva nced So und Op ti ons S o und Mode Adj ustme nts ( Rem ote Con trol Only) Cent er Mode Sett ing The center m ode setting affects the center channel’s bass signals. It operates only when you select the Dolby Pro Logic Surroun d or Dolby 3CH Logic mode. On t he rem ote cont rol, press SURROUND the n CENTER MODE . Each time you pres[...]

2 3 Us ing A dvance d So und Opt ion s Delay T ime In the Dolby Pro Logic Surround mode s ( PR O LO GIC , THEATE R 1 , and THE- ATER 2 ), the receiver slightly dela ys the soun d going to the rear speakers. Y ou can chan ge this delay time from 15 to 30 milliseconds (ms) in 5 ms steps. Adjust the delay time for the best surround effect. Press SURRO[...]

2 3 Us ing A dvance d So und Opt ion s Delay T ime In the Dolby Pro Logic Surround mode s ( PR O LO GIC , THEATE R 1 , and THE- ATER 2 ), the receiver slightly dela ys the soun d going to the rear speakers. Y ou can chan ge this delay time from 15 to 30 milliseconds (ms) in 5 ms steps. Adjust the delay time for the best surround effect. Press SURRO[...]

2 4 Usin g the Rem ote C ontrol The remote control works up to a dist an ce of about 23 feet, and within a 30- degree angle on either side of the receiver . Point the control at the re ceiver ’s front panel and press the desired button(s). Many but tons on t he remote con trol work the same as buttons on t he receiver ’s front pan el. Use th es[...]

2 4 Usin g the Rem ote C ontrol The remote control works up to a dist an ce of about 23 feet, and within a 30- degree angle on either side of the receiver . Point the control at the re ceiver ’s front panel and press the desired button(s). Many but tons on t he remote con trol work the same as buttons on t he receiver ’s front pan el. Use th es[...]

2 5 Using the Remote Control DIRECT Bypasse s the r eceiver ’ s audio cont rol ci rc ui ts. Press a g ain to re- stor e the pr evious se ttin g s. + M AST ER VOL UME – Adjus ts the system’ s volume. RE CEIVE R POWE R T urns t he recei ver o n and o ff . CD Pla yer Ope r ation Note: Y ou must have connected the CD player to both of your re cei[...]

2 5 Using the Remote Control DIRECT Bypasse s the r eceiver ’ s audio cont rol ci rc ui ts. Press a g ain to re- stor e the pr evious se ttin g s. + M AST ER VOL UME – Adjus ts the system’ s volume. RE CEIVE R POWE R T urns t he recei ver o n and o ff . CD Pla yer Ope r ation Note: Y ou must have connected the CD player to both of your re cei[...]

2 6 T rou blesho oting I f the receiver is not working as it should, the foll owing sugges tions might help. If you foll ow the suggestions in this chart a nd t he receiver still does n ot work properly , contact your local RadioShack store for assistance. Problem Cause Suggestion Powe r does not turn on. Power cord is d isconnecte d. Plug in the p[...]

2 6 T rou blesho oting I f the receiver is not working as it should, the foll owing sugges tions might help. If you foll ow the suggestions in this chart a nd t he receiver still does n ot work properly , contact your local RadioShack store for assistance. Problem Cause Suggestion Powe r does not turn on. Power cord is d isconnecte d. Plug in the p[...]

2 7 Care and Mai ntena nce Y our O ptim us ST A V-3770 A udio/Video Receiver is an example of superior design and craftsmanship. The following sugges- tions will hel p you care for the receiver so you can enjoy it for years. Keep the receiver dry . I f i t gets wet, wipe it dry im mediately . L iquids can contain mine rals that c an c orrode the el[...]

2 7 Care and Mai ntena nce Y our O ptim us ST A V-3770 A udio/Video Receiver is an example of superior design and craftsmanship. The following sugges- tions will hel p you care for the receiver so you can enjoy it for years. Keep the receiver dry . I f i t gets wet, wipe it dry im mediately . L iquids can contain mine rals that c an c orrode the el[...]

2 8 The FC C W ant s Y ou t o K no w Y our receiver might cause radio or TV interference ev en when it is operating properly . T o determi ne whether your receiver is causing the interference, turn off your receiver . If the interference g oes away , your receiver is causing it . T ry to elim inate the interference by: • Mo ving your radio or TV [...]

2 8 The FC C W ant s Y ou t o K no w Y our receiver might cause radio or TV interference ev en when it is operating properly . T o determi ne whether your receiver is causing the interference, turn off your receiver . If the interference g oes away , your receiver is causing it . T ry to elim inate the interference by: • Mo ving your radio or TV [...]

2 9 Spe cific ation s Ampl ifier Front Channel Average Power Output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100 W at ts p er Channel into 8 Ohm s Fr om 40 to 2 0 ,00 0 Hz , With No M ore than 0. 9% T otal Harmoni c Distortio n Measured P urs uant to the Federal T rade Commission ’ s T rade Regulation Rule o[...]

2 9 Spe cific ation s Ampl ifier Front Channel Average Power Output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100 W at ts p er Channel into 8 Ohm s Fr om 40 to 2 0 ,00 0 Hz , With No M ore than 0. 9% T otal Harmoni c Distortio n Measured P urs uant to the Federal T rade Commission ’ s T rade Regulation Rule o[...]

3 0 Specif ica tion s F M T uner F req uency Range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 87 .5 to 10 8 M H z U sabl e Sensi tivi ty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Mono: [...]

3 0 Specif ica tion s F M T uner F req uency Range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 87 .5 to 10 8 M H z U sabl e Sensi tivi ty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Mono: [...]

31 Inde x t o Fe at ure s by Co nt r ol N ame This table lists the control and i ndicat or names fou nd on the front of your receiver , along with the page numbe r where the con- trol or indicator is d iscussed. T o find a description for the bu ttons on t he remote cont rol, see “Using the Remote Control” on Page 24. Control Page T ONE/BALANCE[...]

31 Inde x t o Fe at ure s by Co nt r ol N ame This table lists the control and i ndicat or names fou nd on the front of your receiver , along with the page numbe r where the con- trol or indicator is d iscussed. T o find a description for the bu ttons on t he remote cont rol, see “Using the Remote Control” on Page 24. Control Page T ONE/BALANCE[...]

RadioShack A Division of T andy Corporat ion Fort W orth, T exas 76102 <ARB71 49-A> 6A8 Printe d in Indone sia Lim it ed T w o-Y ear W arranty Thi s prod uct is warranted by Radi oShack a g ains t manufacturin g defects i n ma terial and workm an- shi p under normal use for two (2) y ears from the date of purch ase from RadioS hack compan y- [...]

RadioShack A Division of T andy Corporat ion Fort W orth, T exas 76102 <ARB71 49-A> 6A8 Printe d in Indone sia Lim it ed T w o-Y ear W arranty Thi s prod uct is warranted by Radi oShack a g ains t manufacturin g defects i n ma terial and workm an- shi p under normal use for two (2) y ears from the date of purch ase from RadioS hack compan y- [...]