Related Manuals for Shure AVC20
Summary of Contents for Shure AVC20
- Page 1 Owner's Manual VIDEO HI-FI SYSTEM EXPANDER 222 HARTREY AVENUE EVANSTON, ILLINOIS 60202-3696 U.S.A TELEPHONE (312) 866-2200 CABLE SHUREMICRO...
- Page 2 The AVC20 is equipped with a sound memory circuit. The Surround Indicator can be switched on or off. The AVC20 can be used a s a high output stereo amp- lifier when in the Balanced Transformerless (BTL) mode. TABLE OF CONTENTS .
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Page 3: Surround-Sound Effects
SURROUND-SOUND EFFECTS Surround-sound The AVC20 is equipped with three types of surround processors which provide a sense of presence and expan- sion. Every day, we are exposed to sounds coming from our surroundings. Some sounds reach our ears directly from the source, some indirectly reflected off of walls or the ceiling. -
Page 4: Locating Speakers
LOCATING SPEAKERS Speaker location will depend in each case on the size and shape of the specific room in which the Home Theater System is installed. The diagrams below may be used a s a general guide to speaker placement in rooms of various shapes. -
Page 5: Connection Of Speakers
CONNECTION OF SPEAKERS Connection of Speakers M O N O O U T Monophonic Output Terminals There i s one set of four speaker output terminals. Use speakers with an impedance of 8 to 16 ohms. Normal Speaker Connection Remove your finger from the lever, and pull on the cord t o be sure that i s properly con- nected. -
Page 6: Function Names And Operations Front Panel
FUNCTION NAMES AND OPERATIONS-FRONT PANEL Function Names and Operations Power Switch (POWER) Use this switch to turn the power of the AVC20 on and off. After turning on, allow approximately 4 seconds to pass before using. During this time, the FULL MUTE indicator trated indicator panel will flash, indicating that the set is in the stand-by mode. - Page 7 This is the best position for viewing DOLBY movies. SURROUND The AVC20 is equipped with the proper Dolby Surround decoder for use especially with video software con- taining DOLBY ,,,,,,~ ,,~,,,,,, , , ( mark 00 or movies in which the DOLBY '"...
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Page 8: Function Names And Operations - Rear Panel
U- shaped connecting pin. The AVC20 can also be used in the BTL mode or as a surround processor. For details, refer t o Pages 15 and 17. Monophonic output Terminal... - Page 9 In this position, the AVC20's output is 30W x 4. BTL Operation Use this position to use the AVC20 a s a stereo amplifier, with the four power ampli- fiers combined in groups of two. In this position, the AVC20's output is 60W x 2.
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Page 10: Volume - Balance Control
Adjusting the lnput Volume First set the INPUT VOLUME control to the mini- mum. (Number Use the Volume up control and set the AVC20 volume to the maximum (the flash), then bring it down 5 steps. (Press the Volume down Next gradually increase the lnput Volume until a comfortable listening level is reached. -
Page 11: Use Of Wireless Remote Control
3 0 ' with respect to the sensor on the AVC20 at a distance up t o 7m (20ft). INSERTING BATTERIES Insert two size "AA" batteries, pay close Remove the cover on the rear. - Page 12 1 . SURROUND-SOUND EFFECT SELECTION 2. Use of Volume Button 3. Adjusting Volume Balance The AVC20 provides choice of 3 surround effects, depending upon the program or software being viewed. For programs for which the surround effect is not nece- ssary, such a s news broadcasts, press the BYPASS but- ton.
- Page 13 Press this button when you wish to turn off the volume momentarily, such a s when a visitor arrives unexpectedly or when the telephone rings. The FULL MUTE indicator W o n the AVC20 will flash. Press the button once again to return to the previous volume.
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Page 14: Use Of The Image Enhancer Switch
USE OF THE IMAGE ENHANCER SWITCH Use of the IMAGE ENHANCER Switch The lrnage Enhancer function i s very effective for cleaning up fuzzy pictures, or when watching foreign films, making movie subtitles clearer. The switch works in three steps: . -
Page 15: Applications
AVC20 in the BTL mode. (The rear "+" speaker terminals become BTL Connection (A) @ To use the AVC20 on the two front channels and use the two rear channels with other amplifiers, remove the U-shaped short pins as shown in the diagram. - Page 16 Connection To use the AVC20 on the two rear channels and use the two front channels with an added amplifier, change the U-shaped short pins a s shown in the diagram. Connect the FRONT-PRE OUT terminals to the input terminals of the other amplifier using pin plug cables.
- Page 17 PRE OUT termi- nals to the input terminals of the other amplifiers. When this i s done, the AVC20 volume control can be ope- rated, but the volume of the other amplifiers must be increased to a suitable level.
- Page 18 To provide better center localization, connect one of the AVC20's mono outputs to an external amplifier and speaker, placing the speaker under, or a s close a s possible to, the television.
- Page 19 Video Disc Player (etc.) To Video Input Terminal To Audio lnput Terminal To Tape lnput Terminal Example 2" Front Panel AVC20 Rear Panel From Tape Output Terminal Graphic Equalizer (Rear Panel) L m / Color Monitor From Monitor Output Terminal...
- Page 20 As shown in the diagrams below, video signals are supplied to the television through the antenna line, and audio signals pass through the AVC20 to produce sound from the speakers. Turn down the TV Volume whenever the AVC20 amps are used.
- Page 21 For antenna connection, refer t o the video deck instruction manual. In this example, the video signals do not pass through the AVC20, so the image enhancer function is inoperable. DISPLAY g . . l...
- Page 22 Uxed a s the secondary deck. The monophonic video deck's video signals pass through the AVC20 into the LINE input terminal of the stereo video deck, whose VHF output terminal is connected to the telesvision.
- Page 23 (Video Deck and Video Disc Player) The video disc player's video signals entering the AVC20, are sent from the AVC20 output terminals to the video deck's LINE input terminals, and then from the video deck's VHF terminal to the televi- sion.
- Page 24 (TV Equipped with Video lnput Terminal) This combination brings out the best in the AVC20. Output from all audiolvideo equipment i s input to the AVC20, the video signals are sent from the Monitor Output Terminal to the television's Video lnput Terminal, and the audio signals are sent to the speakers.
- Page 25 EXAMPLES OF USE WITH A VARIETY OF DIFFERENT EQUIPMENT (Overall Connections) Connect equipment for playback and recording, such as a video deck, as below for best results. Speaker Refer to page 18. Connect equipemrnt for playback only, such as a tun(( video disc kplayer, here for best results.
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Page 26: Cautions On Usage
Ventilation openings i n the cabinet are designed t o prevent over- heating o f internal parts. D o not place a tablecloth or cover on t o p o f the AVC20, or place the AVC20 o n a blanket. D o n o t place against a wall. -
Page 27: Specifications
Symptom a Power plug is not connected properly to an ac outlet. Power does not come Power switch is off. a Connection cords are disconnected. No sound or picture a Connection cords are connected improperly. is produced a The position of the input selector switch does not match the input of the component being used.