PDF Manual
Contents
1. Information Display 1 7 Station Memory Indicator 8 Preset Station Indicator O Tone Direct Indicator 2 Headphone Indicator 3 Stereo Indicator 4 Tuned indicator 5b Sleep Timer Indicator Rear Panel SPEAKERS ANTENNA 4 Audio Output Connectors 5 Speaker Connectors 6 AC Input Cord 4 Radio Antenna Connectors 2 Phono Connectors 3 Audio Input Connectors RX 4508 AM FM STEREO RECEIVER Remote Control Numeric Buttons Preset Button Source Select Buttons Tone Control Button A W Preset Up Down Buttons lt gt Tuning Up Down Buttons MEMO ENTER Memory Enter Button ah 9 KN Balance Adjust Buttons Bluetooth Button O N O Bass Up Down Buttons 9 Treble Up Down Buttons 10 r 4 Bluetooth Previous Rewind Button 11 1 Bluetooth Next Fast Forward Button 12 gt Bluetooth Play Pause Button 13 Volume Up Down Buttons 14 Mute Button 15 Mono Stereo Select Button 16 Sleep Button 17 Dimmer Button 18 Speaker Select Button 19 Power Button Making Connections Connecting Speakers Placing Speakers Determine the locations for your speaker placement according to their manufacturer s directions and the layout of your listening room Left and right speakers e Place the speakers with their front surfaces as flush to the TV or monitor screen as possible e Place each speaker so that sound is aimed at where listener s ears would be in the main2. by pressing an Input Selector button on the remote control 3 Select the speakers you want to play e On the remote control press SPEAKER A or SPEAKER B SPK A or and B is displayed i SPEAKER IT NS ote e When using the headphone press the corresponding speaker button to switch off both A and B speakers 16 Select the input source you want to play back e Onthe main unit press INPUT e Each time the button is pressed the display changes in the following order FM gt AM gt CD gt AUX gt PHONO gt Bluetooth AUDIO e On the remote control press a source select button CD AUX PHONO TUNER d NE NE emn an BLUETOOTH Start playback of the component you selected in step 1 During playback you can adjust the volume level e On the main unit rotate the volume coniroller e On the remote control press VOLUME VOLUME VOLUME i Z2 us Muting the Sound You can mute the sound temporarily by pressing MUTE 4 Press MUTE to mute the sound 2 Press MUTE or VOLUME to turn on the sound MUTE VOLUME Adjusting the Sound Balance Left and Right 4 Adjustthe sound volume balance between the left and right speakers by pressing L BALANCE or BALANCE R e The each sound balance level can be adjusted up to 10 e tis recommended the balance to be adjusted to O N 4 Z Ke L Ae yy BALANCE Operating Your System
3. listening position Connecting Speakers Carefully check the left L and right R channels and the polarities on the speakers being connected to this receiver Connecting Speaker Wires 4 Strip away approx 10 mm 3 8 inch of 3 Insert the bare part of the wire wire insulation and then tightly twist the wire ends 2 Loosen the speaker terminal by turning it 4 Tighten the speaker terminal by turning it counter clockwise clockwise RX 4508 AM FM STEREO RECEIVER Rear Panel Speaker A Speaker A Speaker B Speaker B Left Right Right Left e Be sure to connect speakers firmly and accurately according to the channel left and right and the polarity and If the connections are incorrect no sound will be produced by the speakers and if the polarity of the speaker connection is incorrect the sound will be unnatural and tinny o Caution e Be sure to use the speakers with the impedance of 8 ohms or above e Do not let bare speaker wires touch each other or any metal part of this receiver This could damage the main unit and or the speakers e Never touch the speaker terminals while the AC input cord is connected to the wall AC outlet Doing so could result in electric shock 10 Connecting Playback Components Source devices are components from which a playback signal originates e g a Blu ray Disc or DVD player a set top box or HDTV tuner etc Connecting Audio Component
4. press lt or gt e On the remote control press I lt or l SEARCH Y MODE To Search Forward or Backward A Each time the button is pressed and held playback point is moved forward or backward e On the main unit press and hold lt or gt for more than 1 second e On the remote control press and hold lt lt or 1 for more than 1 second SEARCH Y MODE 22 Recording You can make an audio recording from the built in tuner or from an audio source connected to the receiver such as a CD player or TV Keep in mind you can t make a digital recording from an analog source or vice versa so make sure the components you are recording to from are hooked up in the same way For details on connection see Connecting Playback Components on page 11 e The receiver s volume Audio parameters the tone controls for example and surround effects have no effect on the recorded signal e Some digital sources are copy protected and can only be recorded in analog 4 Select the desired recording source CD AUX PHONO TUNER Sw mu BLUETOOTH Start recording on the component N 3 Start play on the desired input e The audio signal from the desired input will be dubbed on the recorder and you can enjoy them from the speakers __ SS ote e The volume and tone bass and treble settings have no effect on the recording signals When recording the audio signals from AUX cannot be record
5. 5 26 OPERATING YOUR SYSTEM Listening to Your System 16 Basic Operation 17 Muting the Sound 17 Adjusting the Sound Balance Left and Right 17 Adjusting the Tone Bass and Treble Listening to Radio 18 Selecting the Band 18 Manual Tuning 18 Auto Tuning 18 Manual Presetting 19 Auto Presetting 20 Tuning in to Preset Stations 20 Scanning Preset Stations in Sequence 20 Switching FM Stereo Mono Mode Bluetooth 21 Pairing with the Bluetooth Device 21 Listening to Music on Device Recording Using Other Functions 23 Setting the Sleep Timer 23 Setting the Auto Power Control 23 Adjusting the Brightness of the Fluorescent Display TROUBLESHOOTING 24 GENERAL 24 SOUND ADDITIONAL INFORMATION Specifications Trademarks and Licenses Getting Started Main unit 0906 Qooo pipe Battery FM Antenna 1 ea AM Antenna 1 ea Warranty User Manual 1 ea Warranty 1 ea Getting Started Installing the Remote Control Battery 4 Remove the battery cover 2 Insert two AAA size batteries with the polarity matched properly Caution Always use alkaline batteries and do not use the rechargeable batteries Ni Cd type If the batteries run out remove the old batteries and replace them with new ones within several minutes If the batteries are removed or have been exhausted for a longer period of time memorized contents will be cleared In this
6. Adjusting the Tone Bass and Treble You can adjust the tone bass and treble as desired A Select the tone control mode by pressing TONE DIRECT e TON CTRL is displayed on the display panel TONE DIRECT IT AS ote e f you want to listen to a program source without the tone effect select the tone direct mode by pressing TONE DIRECT TON DIR and DIR are displayed on the display panel 2 Adjust the tone as desired by pressing BASS or Treble e The tone level can be adjusted within the range of 10 10 dB e It is recommended the bass and treble to be adjusted to O dB flat level BASS TREBLE Caution e Extreme settings at high volume may damage your speakers 17 RX 4508 AM FM STEREO RECEIVER Listening to Radio Selecting the Band 4 Select FM or AM tuner as the input source e On the main unit press INPUT repeatedly e On the remote control press TUNER repeatedly INPUT N IT NS ote e When FM stereo broadcasts are poor select FM mono mode to reduce the noise For details see Switching FM Stereo Mono Mode on page 20 Manual Tuning 4 Select a desired station e On the main unit press 4 or gt repeatedly e Onthe remote control press TUNE or TUNE repeatedly 18 Auto Tuning 4 Press and hold TUNE 4 or TUNE for more than 1 second e On the main unit press and hold lt or gt for more than 1 second e he tuner k
7. G Sherwood RX 4508 AM FM STEREO RECEIVER OPERATING INSTRUCTIONS Safety Information READ THIS BEFORE OPERATING YOUR UNIT CAUTION TO REDUCE THE RISK OF ELECTRIC SHOCK CAUTION DO NOT REMOVE FRONT OR BACK COVER ee ee NO USER SERVICEABLE PARTS INSIDE REFER SERVICING TO QUALIFIED SERVICE PERSONNEL C R amp TTE Directive 1999 5 EC This symbol indicates the presence of uninsulated dangerous voltage within AN the produc s enclosure that may be of sufficient magnitude to constitute a risk of electric shock This symbol indicates important operating and maintenance servicing instructions in the literature accompanying the appliance WARNING TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK DO NOT EXPOSE THIS APPLIANCE TO RAIN OR MOISTURE CAUTION e Do not let insecticides benzene or thinner e Leave space around the unit for sufficient come in contact with the unit ventilation e Never disassemble or modify the unit in any e Avoid installation in extremely hot or cold way locations or in an area that is exposed to direct sunlight or heating equipment e Keep the unit free from moisture water and Notes on the AC power cord and the wall dust outlet e Do not let foreign objects in the unit e The unit remains connected to AC power as e Keep the ventilation openings clear of items long as it is plugged into the wall outlet even such as newspapers linens or curtains if the unit has been turned off e Keep ope
8. case you should memorize them again If the battery is placed incorrectly it can cause explosion Remove the battery if the remote control is not used for a long period of time Do not leave the product in a hot or humid place Do not handle and store the battery with metallic tools Operating the Range of the Remote Control Use the remote control within a range of about 7 meters 23 feet and angles of up to 30 degrees aiming at the remote control sensor Parts Description Front Panel ON STANDBY Button Bluetooth Indicator IR Sensor Display Headphone Connector Memory Button Tune Preset Select Button 6 VOLUME O 10 8 Function Buttons e Tuning Up Down See page 18 e Preset Up Down See page 18 e Auto Tuning See page 18 e Bluetooth Playback Control See page 21 9 Input Selector 10 Volume Control Parts Description Front Display 3 4 ST T n S000 onoo B 8 n 0 000 80008 B E a S000 nong 000o DD 20008 oo50 ninu 0000 0 00006 00007 f Dogg 9 Bonon ooog o B 5 Dn n na ooa i 70990090 20000 00000 n t Un 0000 mong n Oo n oo noon n oo cono g aoci nong n EFE SA Gu 0000 nana n oo noon n Oo condo Bg 70990090 g 02000 00006 B no08 20g B o00o ooog n n n So00 of 20098 pou p Ogpo00 Boonan n 0000 0 00007 f Cog f Bono page 6 Preset Indicator
9. ed on the same AUX jack For example the audio signal from AUX IN cannot be recorded on AUX OUT Using Other Functions Setting the Sleep Timer You can set a specified period of time before the main unit is automatically shut 1 Press SLEEP e Each time the button is pressed the sleep time changes as follows 10 20 gt 30 gt 60 90 gt Off Unit minutes e While operating the sleep timer lights up e When the sleep time is selected the fluorescent display is dimly lit SLEEP Setting the Auto Power Control You can set the standby time for the system to be turned off The default setting value is 6H 4 Press and hold SLEEP for more than 3 seconds e Each time this button is pressed the auto power control time changes as follows pud nd de d dag SLEEP Operating Your System T NS ote e When you play music via Bluetooth the auto power control does not works Adjusting the Brightness of the Fluorescent Display You can select the brightness of the fluorescent display as desired 4 Press DIMMER e Each time the button is pressed the display mode changes as follows Eda Dimmer Ci e Inthe display Off mode pressing any button will restore the display On mode DIMMER 23 Troubleshooting If you experience any of the following difficulties while using the system use this troubleshooting guide to help remedy the problem before requesting servicing Shou
10. eeps searching until a station with strong signal strength is found The display shows the tuned frequency e If the found station is not the desired one simply repeat this operation e Stations with weak signal strength are skipped during auto tuning f TA J N A f f N A N Y lt gt O Manual Presetting 4 Tune to the desired station with auto or manual tuning Press MEMO ENTER e On the main unit press MEMORY e AUTO MEM blinks on the display panel MEMORY gt _ A Z 3 Z f r gt fF 2 e rA N J A N N 3 Select a desired preset number 1 30 e On the main unit press lt or gt e On the remote control press PRESET A or PRESET V e Astored station is erased from the memory by storing another station in its place e When you set a preset number by pressing numeric buttons on the remote control you can skip the step 4 44 Confirm your selection e Onthe main unit press MEMORY e Onthe remote control press MEMO ENTER e he station has now been stored in the memory e Astored station is erased from the memory by storing another station in its place Z N lf pa R y A S A vA 5 Repeat the above steps 1 4 to store another station Operating Your System Auto Presetting 4 Press and hold MEMO ENTER for more than 2 seconds e AUTO MEM blinks and the main unit begins to preset stations with strong signals e Up
11. ld any problem persist consult your nearest authorized dealer or authorized independent company If the unit does not operate normally due to external influence such as static electricity disconnect the power plug from the outlet and insert again to return to normal operating conditions GENERAL The power does not Anton e Disconnect the power plug from the outlet and connect again e After about a minute you won t be able to turn the main unit on during this time turn the system back on If the problem persists call an authorized independent service company The system suddenly turns off e Make sure the component is connected correctly See Making Connections on page 9 Press MUTE to restore the sound No sound is heard after a function is selected e Replace the batteries See page 5 Can t operate the e Operate within 7 m and 30 of the remote sensor remote control e Remove any obstacles or operate from another position e Avoid exposing the remote sensor on the front panel to direct light The display is dark or off e Press DIMMER on the control repeatedly to return to the default setting SOUND e Check that the component is connected correctly to the audio input jacks of There is no sound components from the selected e Ensure that the cords are fully inserted into the jacks on both the component component and the main unit e Ensure that the component is selected correctly e Check the output a
12. n flame from candles or other e To completely disconnect this product from sources away from the unit AC power disconnect the plug from the wall e Observe the local regulations regarding socket outlet disposal of packaging materials exhausted e When setting up this product make sure batteries and old equipment that the AC outlet you are using is easily e Do not expose the unit to dripping or accessible splashing or place objects filled with liquids e Disconnect the plug from the wall outlet when such as vases not using the unit for long periods of time Caution regarding installation Wall Do not block ventilation openings or stack other equipment on the top X Note For heat dispersal do not install this unit in a confined space such as a bookcase or similar enclosure 2 Table of Contents ann ES oN NOI c 11 13 15 SAFETY INFORMATION TABLE OF CONTENTS GETTING STARTED What s Included Installing the Remote Control Battery Operating the Range of the Remote Control PARTS DESCRIPTION Front Panel Front Display Rear Panel Remote Control MAKING CONNECTIONS Connecting Speakers 9 Placing Speakers 9 Connecting Speakers Connecting Playback Components 11 Connecting Audio Components 12 Connecting Recording Components Connecting an Antenna 13 Connecting FM Antenna 14 Connecting AM Antenna Connecting Power 16 16 18 21 22 23 24 25 2
13. s Audio Connection Make audio connections from your source devices e Ensure the left L and right R channels and the inputs and outputs are correctly connected e To listen to the sound of a connected audio device select AUX as the input source Rear Panel AUX IN wm s R R L E TV DVD Player etc Making Connections Phono Connection You can use the PHONO input jack to connect turntable Rear Panel Turntable with MM type cartridge Caution e Do not connect the turntable with MC type cartridge directly If so use a separate head amplifier or step up transformer 11 RX 4508 AM FM STEREO RECEIVER Listening with Headphones Connecting Recording 4 Connect the headphones to the PHONES Components jack on the front panel You can connect audio recording devices to the AUX OUT jacks You can make an audio recording from the built in tuner or from an 2 audio source connected to the main unit Rear Panel PHONES Caution e Be careful not to set the volume too high when using headphones 12 Making Connections Connecting an Antenna aped Antenna Remove the indoor antenna if it is To listen to radio stations connect the FM wire connected antenna and AM loop antenna as illustrated 2 below Connect the FM outdoor antenna to the FM antenna terminal Connec
14. ting FM Antenna To strengthen the signal reception extend the antenna to its full length Indoor Antenna 4 Connect the FM indoor antenna to the FM antenna terminal Rear Panel 2 Change the position of the antenna until you get the best reception of your favorite FM stations ANTENNA Rear Panel ANTENNA 13 RX 4508 AM FM STEREO RECEIVER Connecting AM Antenna 1 2 14 Assemble the AM loop antenna as illustrated below Place the antenna as far as possible from the main unit TV set speaker cords and the AC input cord and set the direction for the best reception If the reception is poor with the AM loop antenna it is recommended to replace it with an AM outdoor antenna Rear Panel ANTENNA _ ac Rear Panel ANTENNA AM Outdoor Antenna Making Connections Connecting Power Make sure to plug in only after you have connected all your components to the main unit Plug the supplied AC power cord into the wall outlet Rear pane f AC power cord To the wall outlet gt 15 Operating Your System Listening to Your System Basic Operation You can listen to audio by following the basic procedures below 4 Turn on the connected component 2 Tum on the main unit e On the main unit press ON STANDBY e On the remote control press POWER ON STANDBY POWER a Za ASA ote e With the receiver in Standby mode you can also turn the power on
15. tion 20 dB IF rejection 65 dB AM Tuner Section Frequency range 522 1611 kHz Signal to noise ratio 35 dB Usable sensitivity S N 20 dB 63 dBu m Selectivity x10 kHz 23 dB IF rejection 40 dB 25 RX 4508 AM FM STEREO RECEIVER Bluetooth Section Model name IK CSR8645 Out Power 6 4 dBm Frequency Range 2402 2480 MHz General Specifications Power requirement AC 230V 50 Hz Power consumption 230 W Dimensions WxHxD including protruding parts Weight Net 16 3 Ib 7 4 kg 17 1 x 5 5 x 14 7 435 mm x 141 mm x 375 mm Trademarks and Licenses This system incorporates a sophisticated technology that allows you to create optimum sound quality and sound atmosphere in your personal Home Theater 63 Bluetooth The Bluetooth word mark and logos are registered trademarks owned by Bluetooth SIG Inc and any use of such marks by inkel is under license Other trademarks and trade names are those of their respective owners 2014 CSR plc and its group companies The aptX mark and the aptX logo are trade marks of CSR plc or one of its group companies and may be registered in one or more jurisdictions 26 RX 4508 AM FM STEREO RECEIVER Printed in Vietnam 5707 00000 935 0S 6 Sherwood
16. to 30 FM stations may be stored e To stop auto presetting press MEMO ENTER again e SJ ote e Auto preset is performed only when you select FM tuner as a input source e FM stations with weak signal strength cannot be stored to memory 19 RX 4508 AM FM STEREO RECEIVER Tuning in to Preset Stations 4 Select a desired preset number e On the main unit press 4 or e On the remote control press PRESET A or PRESET V 2 N L IT NS ote e f you select a desired preset number by pressing lt or gt on the main unit be sure to select preset mode When you select preset mode PRESET is displayed on the display panel You can select a desired preset number by pressing numeric buttons on the remote control 20 Scanning Preset Stations in Sequence 4 Press Preset e The receiver starts scanning the stations in the preset sequence 2 Press Preset again to stop scanning PRESET NS ote e Stations with weak signals will not be scanned and will therefore not be sampled Switching FM Stereo Mono Mode 4 Select FM tuner as the input source e Onthe main unit press INPUT repeatedly e Onthe remote control press TUNER repeatedly 2 Press the MO ST MO ST Bluetooth Bluetooth technology is a short range wireless technology that enables wireless data communication between digital devices You can enjoy music wirelessly with a music player featuring Bluetooth
17. udio formats support system e Check that the speakers and equipment are connected securely e Move your audio equipment away from the TV e The plugs and jacks are dirty Wipe them with a cloth slightly moistened with alcohol Sound is interrupted or there is noise The left and right sounds are unbalanced e Ensure that the speakers and equipment are connected correctly and securely or reversed e Ensure that the equipment is connected correctly Recording cannot be e Select the source equipment using the input buttons See page 16 carried out e Copyright protection to prevent recording is contained in the sources In this case you may not be able to record from the sources No sound or sound e Check the audio output settings of the source component suddenly ceases 24 Additional Information Specifications Audio Section Power Output YY P 40 Hz 20 kHz 8 Ohms THD 1 96 Stereo Mode Phono MM 2 5 mV 47k ohms Input sensitivity impedance Line CD AUX 200 mV 47k ohms Phono MM 65 dB Signal to noise ratio IHF A Line CD AUX 93 dB Phono MM RIAA 30 Hz 20 kHz 3 dB Frequency response Line CD AUX 10 Hz 95 kHz 3 dB Bass Treble control 10 dB FM Tuner Section Frequency range 87 5 108 0 MHz Usable sensitivity S N 30 dB 12 dBu Signal to noise ratio mono stereo 55 dBu 50 dBu Distortion mono stereo 0 7 96 1 0 96 Stereo separation 30 dBu 1 kHz Image rejec
18. wireless technology such as MP3 player mobile phone etc Pairing with the Bluetooth Device 4 Select Bluetooth AUDIO as the input source e Onthe main unit press INPUT repeatedly e On the remote control press BLUETOOTH BLUETOOTH e Place the device near the main unit within 30 feet 10 meters 2 Perform pairing on the device to detect main unit e PAIRING is displayed on the display panel and the Bluetooth indicator blinks 4 Select RX 4508 in the device list e If RX 4508 is not displayed repeat from step 1 If PIN code is required enter 0000 on the device IT SS ote e Depending on the device connection is automatically made without enter the PIN code Operating Your System 5b When pairing is completed CONNECTED is displayed on the display panel and the Bluetooth indicator is turned on ASA ote e If the last paired device in range during pairing mode the device will connect automatically Listening to Music on Device To Pause Playback 4 During playback press II e Playback will stop at the point where the button is pressed e Toresume playback from this point press the button again DISPLAY NS ote e Depending on the device Bluetooth PAUSE is delayed on the display panel 21 RX 4508 AM FM STEREO RECEIVER To Skip Forward or Backward 1 Each time the button is pressed a track is skipped forward or backward e On the main unit
Download Pdf Manuals
Related Search