Sherwood RX-4503 AV receiver
Contents
1. 67 66 dB Total harmonic distortion 65 dBf 1 kHz mono stereo 0 6 0 7 Frequency response 20 Hz 14 kHz nennen nennen nien nnn 3 dB Stereo separation 1 KHZ uic tete eret redi Crede dis eie reset 35 dB Wee I A Aide 4 dB uie ccu ec 105 dB m AM TUNER SECTION TUNING frequency range ERR 520 1710 kHz 800 V m TO MOISE FAO cc chk 51 dB SSIS CHIMING 30 dB m GENERAL 5 EE 120 V 60 Hz 2 5A Dimensions WxH xD including protruding parts 440 x 141 x365mm 17 3 8 x 5 1 2 14 3 8 inches EE 8 3 kg 18 3 Ibs Note Design and specifications are subject to change without notice for improvements ENGLISH cover 2008 8 12 3 44 PM 1 E RX 4503 E AM FM STEREO RECEIVER Sherwood 5707 00000 120 0S d2. 4 Repeat the above steps1 to 3 to memorize other stations BMEMORY BACKUP FUNCTION The following items set before the receiver is turned off are memorized INPUT SELECTOR settings Surround mode settings Preset stations etc Tuning to preset stations After selecting the tuner as an input source select the desired preset number PRESET 165 When using the NUMERIC buttons on the remote control Examples For 3 For 15 within 2 seconds 5 For 30 within 2 seconds _ RX 4503 A 2008 8 12 3 43 PM ol x 19 RECORDING The analog signals from the EXTERNAL INs be heard but cannot be recorded The volume and tone bass treble settings have no effect on the recording signals Recording with TAPE ENGLISH 1 Select the desired input as a recording source except for TAPE lt INPUT SELECTOR or 2 Start recording on the TAPE o ot 3 Start play on the desired input OTHER FUNCTIONS Operating the sleep timer The sleep timer allows the system to continue to operate for a specified period of time before automatically shutting off To set the receiver to automatically turn off after the specified period of time Each time this button is pressed the sleep time chang
3. CENTER FRONT SUBWOOFER SURROUND 6 CH DIRECT OUTs Decoder with 6 channel outputs _ RX 4503 A 2008 8 12 3 43 PM 8 ENGLISH 4 CONNECTING SUBWOOFER PRE OUT To emphasize the deep bass sounds connect a powered subwoofer 5 CONNECTING SPEAKERS Powered subwoofer Usally SPEAKER A terminals are used for only a pair of speakers When you have another pair of speakers SPEAKER B terminals can be used Be sure to connect speakers firmly and correctly according to the channel left and right and the polarity and If the connections are faulty no sound will be heard from the speakers and if the polarity of the speaker connection is incorrect the sound will be unnatural and lack bass B Notes For safe amplifier operation use the speakers with impedance of over 8Q when you use only SPEAKER A or B terminals and use the speakers with impedance of over 16 Q when you use both SPEAKER A and B terminals Do not let the bare speaker wires touch each other or any metal part of this unit This could damage this unit and or the speakers 6 AC INPUT CORD SPEAKER A SPEAKER B Plug the cord into a wall AC outlet _ 4503 2008 8 12 3 43 PM 7 9 Front Panel Controls 11 12 6 7 13 14 15 16 17 18 19 20 21 1 POWER switch 12 MUTE button indicator 2
4. Adjust the volume Press the MUTE button to cancel the muting effect Press the SPEAKER A or B button to ON Select the desired input source correctly Make connections correctly Stations cannot be received No antenna is connected The desired station frequency is not tuned in The antenna is in wrong position Connect an antenna Tune in the desired station frequency Move the antenna and retry tuning Preset stations cannot be received An incorrect station frequency has been memorized The memorized stations are cleared Memorize the correct station frequency Memorize the stations again Poor FM reception No antenna is connected The antenna is not positioned for the best reception Connect an antenna Change the position of the antenna Continuous hissing noise during FM reception especially when a stereo broadcast is received Weak signals Change the position of the antenna Install an outdoor antenna Continuous or intermittent hissing noise during AM reception especially at night Noise is caused by motors fluorescent lamps or lightning etc Keep the receiver away from noise Sources Install an outdoor AM antenna No recording Remote control unit does not operate Incorrect selection between the components Incorrect operation of each component for playback and recording Batteries
5. BT IN Each time the INPUT SELECTOR knob is rotated the input source changes as follows When selecting the EXTERNAL IN 6 seperate analog TUNER CD TAPE AUX signals from the component connected to this input pass Fresno display through the tone and volume circuits only and can be EXT IN FAUX heard from your speakers These analog signals can be heard only not recorded Each time the BAND button or the TUNER button is pressed the band changes as follows FMST AM d _ RX 4503 A 2008 8 12 3 43 PM 14 ENGLISH 4 Operate the selected component for playback 5 Adjust the overall volume MASTER VOLUME or DOWN UP 6 To mute the sound Then the MUTE indicator will flicker MIE resume the previous sound level press it again MUTE 7 To listen with the headphones o PHONES Be sure to switch off both A and B speakers E Note Be careful not to set the volume too high when using headphones _ RX 4503 A 2008 8 12 3 43 PM M4 15 Selecting a surround sound mode Each time this button is pressed the mode changes as follows STEREO gt DOLBY VS REF gt DOLBY VS WIDE or DOLBY HP STEREO or 2CH DOWN
6. Before operation I o Push the POWER switch POWER g This unit enters the standby mode and the STANDBY indicator lights up This means that the receiver is not disconnected from the AC mains and a small amount of T ON MEE current is retained to support the operation readiness To switch the power off push the POWER switch again Then the power is cut off and the STANDBY indicator goes off 1 In the standby mode turn the power on ON STANDBY POWER ON en Or Each time the POWER ON STANDBY button on the front panel is pressed the receiver is turned on to enter the operating mode or off to enter the standby mode On the remote control press the POWER ON button to enter the operating mode or press the STANDBY button to enter the standby mode In the standby mode if the INPUT SELECTOR button on the remote control is pressed the receiver is turned on automatically and the desired input is selected iL Hc Then the corresponding speaker indication SPK A or B Ld is displayed and the sound can be heard from the A Speakers connected to the selected speaker terminals When using the headphones for private listening press the corresponding SPEAKER button to switch off both A x and B speakers 3 Select the desired input source lt INPUT SELECTOR BAND AUX F AUX
7. Front Panel Controls es 9 Remote 11 REMOTE CONTROL OPERATION RANGE 12 LOADING BATTERIES Operations LISTENING TO A PROGRAM SOURCE LISTENING TO RADIO BROADCASTS RECORDING 5 5 35 nni n De aant es OTA RE UNG MONS P 19 Troubleshooting Guide sse eterne tnnt tet tete titer tette tet tite 20 Specifications 21 ENGLISH _ RX 4503 A 2008 8 12 3 43 PM 6 ENGLISH System Connections Do not plug the AC input cord into the wall AC outlet until all connections are completed Be sure to observe the color coding when connecting audio video and speaker cords Make connections firmly and correctly If not it can cause loss of sound noise or damage to the receiver N 4 1 s CONNECTING ANTENNAS 5 6 Sherwood RX 4503 fA AM FM STEREO RECEIVER TUV DESISNED IN USA MADEIN CHINA c us A DO NOT OPEN MEDAN AVIS RISQUE DE CHOC ELECTRIQUE NE PAS OUVRIR NE WARNING SHOCKRAZARD DO NOT OPEN FM Indoor Antenna ANTENNA FM 75Q Change the position of the FM indoor antenna until you get the best rec
8. POWER ON STANDBY button 13 SPEAKER A B SELECTRO buttons 3 STANDBY indicator 14 TONE DIRECT button 4 FLUORESCENT DISPLAY 15 BASS UP DOWN 4 buttons For details see below 16 TREBLE UP DOWN jw 4 buttons 5 INPUT SELECTOR knob 17 CHANNEL LEVEL UP DOWN V buttons 6 SOUND button 18 CHANNEL LEVEL button 7 BAND button 19 MEMORY button 8 TUNING UP DOWN A buttons 20 FRONT AUX IN jack 9 PRESET UP DOWN A V buttons For details see next page 10 MASTER VOLUME CONTROL knob 21 Bluetooth IN connector 11 HEADPHONE jack m FLUORESCENT DISPLAY 1 2 9 8 7 5 6 r 0020980 Dd B Dd B ogo DB B BH Dd B B Dd ogo air dn 4 ooo 150 6 18 57 6 8 8 6 8 8 6 DAS DABIS ji gee PUR 52855 80865 80458 810858 5 000 0 000 0 000 0 BB B B 00000 00000 o0 000 00000 oncon KHz foao Coooo2 Boon B D non O D ooo O O ooo O 5 O D O B o0 O Dg D age og age og 00850 068 8 08 8 age og 8 8 4 8 000 00 2 OD goo OH oo Ba 0 Ba B DD OB 0 oo MHz 255009 pg Cami DDDOD 00000 00000 a 00000 00000 a DDDOD DDDDD 00000 1225 2 m 1 Input frequency volume level operating information etc 6 PRESET indicator 2 Sound mode indicators 7 SLEEP indicator 3 DIRECT indicator 8 TUNED indicator 4 Preset number sleep time display 9
9. are not loaded or exhausted The remote sensor is obstructed Make connections correctly Operate each component correctly Replace the batteries Remove the obstacle _ RX 4503 A 2008 8 12 3 43 PM 4 21 Specifications AMPLIFIER SECTION Power output stereo mode 8 THD 0 08 96 40 Hz 20 2 2X100W Total harmonic distortion 8 100 W 40 HZ 20 KHZ 0 02 96 Intermodulation distortion 60 12 7 KkHz24 1 SMPTE 8 Oj 100 ettet ett peat oa Mia MAR 0 02 96 Input sensitivity 47 TAPE AUX 200 mV Signal to noise ratio IHF A weighted icones rtt menti aint ap ad t LEY gat eee Dg en OE SEX tan ER Ke eee aes 96 dB Frequency response Line CD TAPE AUX 10 2 95 3 dB Output level TAPE OUT 22KO mE 200 mV Bass Treble control 100 Hz 10 KHZ 12dB i FM TUNER SECTION TUNING TREQUGNCY tange E 87 5 108 MHz Usable sensitivity THD 3 S N 30 16 25 dBf 50 dB quieting sensitivity mono stereo essent nennen mnn nen nnn 25 2 45 2 dBf Signal to noise ratio 65 dBf mono stereo
10. avoid injury from tip over VS M PORTABLE CART WARNING 13 Unplug this apparatus during lightning storms or when unused for long periods of time 14 Refer all servicing to qualified service personnel Servicing is required when the apparatus has been damaged in any way such as power supply cord or plug is damaged liquid has been spilled or objects have fallen into the apparatus the apparatus have been exposed to rain or moisture does not operate normally or has been dropped ENGLISH _ RX 4503 A 2008 8 12 3 43 PM 4 ENGLISH Introduction READ THIS BEFORE OPERATING YOUR UNIT Ay CAUTION RISK OF ELECTRIC SHOCK DO NOT OPEN CAUTION TO REDUCE THE RISK OF ELECTRIC SHOCK DO NOT REMOVE COVER OR BACK NO USER SERVICEABLE PARTS INSIDE REFER SERVICING TO QUALIFIED SERVICE PERSONNEL This symbol is intended to alert the user to the presence of uninsulated dangerous voltage within the product s enclosure that may be of sufficient magnitude to constitute a risk of electric shock to persons This symbol is intended to alert the user to the presence of 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 regarding installation Note For heat dispersal do not install this unit in a confined space
11. the unit The ventilation should not be impeded by covering the ventilation openings with items such as newspapers table cloths curtains etc No naked flame sources such as lighted candles should be placed on the unit Please be care the environmental aspects of battery disposal The unit shall not be exposed to dripping or splashing for use No objects filled with liquids such as vases shall be placed on the unit Do not let insecticides benzene and thinner come in contact with the set Never disassemble or modify the unit in any way m Notes on the AC power cord and the wall outlet The unit is not disconnected from the AC power source mains as long as it is connected to the wall outlet even if the unit has been turned off To completely disconnect this product from the mains disconnect the plug from the wall socket outlet When setting up this product make sure that the AC outlet you are using is easily acceptable Disconnect the plug from the wall outlet when not using the unit for long periods of time _ RX 4503 A 2008 8 12 3 43 PM 9 5 CONTENTS sIMPORTANT SAFETY INSTRUCTIONS ttr oe Pre eta raa eden dece ea eda Ia Pere Pre Peta Eon hus dE co PO ER deduce 3 Introduction READ THIS BEFORE OPERATING YOUR UNIT 4 System Connections osse neret nnt tentent entretenir intente tette tet 6
12. to FM radio broadcasts press and hold down the MEMORY button for more than 2 seconds Then AUTO flickers and this receiver starts auto presetting To stop auto presetting press this button again Up to 30 FM stations can be stored E Notes FM stations of weak strength cannot be memorized To memorize AM stations or weak stations preform Manual presetting procedure with using Manual tuning operation MEMORY ENGLISH _ RX 4503 A 2008 8 12 3 43 PM ol 18 ENGLISH Manual presetting You can store up to 30 preferred stations in the memory 1 Tune in the desired station with auto or manual tuning 2 Press the MEMORY button is flickering for several seconds 3 Select the desired preset number 1 30 and press the MEMORY button v TUNE 9 gt PRESET A o When using the NUMERIC buttons on the remote control Examples For 3 For 15 within 2 seconds IAE For 30 within 2 seconds E The station has now been stored in the memory When using the NUMERIC buttons the station is stored automatically without pressing the MEMORY button A stored frequency is erased from the memory by storing another frequency in its place If MEM goes off start again from the above step 2
13. MIX Possible only when listening via the speakers lt gt Possible only when listening via the headphones Possible only when selecting the EXTERNAL IN as an input source ENGLISH On the remote control press the Mvs button or the STEREO button depending on whether listening in a surround mode or in the stereo mode E Surround sound modes Dolby Virtual Speaker This mode creates a virtual surround sound field using as few as two front speakers and subwoofer allowing you to experience listening from 5 1 channel speakers Dolby Virtual Speaker Reference DOLBY VS REF The width of the front sound image is defined by the actual distance between front speakers Dolby Virtual Speaker Wide DOLBY VS WIDE The width of the front sound image seems to extend beyond the front speakers Dolby Headphone DOLBY HP This mode simulates 5 1 channel surround sound which allows you to enjoy 5 1 channel surround sound through 2 channel headphones just like listening from 5 1 channel speakers Dolby and the double D symbol are registered trademarks of Dolby Laboratories 2 downmix mode This mode allows the multi channel signals from the EXTERNAL INs to be mixed down into two front channels and to be reproduced through front speakers or headphones Adjusting the channel level 1 Select the desired channel Each time this button is pressed the channel is selected a
14. STEREO indicator 5 MEMORY indicator ENGLISH RX 4503 A _ ENGLISH 2008 8 12 3 43 PM 9 10 FRONT AUX IN JACK The FRONT AUX IN jack can be connected to additional audio components such as an MP3 player etc E Notes When connecting this jack to an player etc you should use the stereo mini cord not a mono mini cord When not using the FRONT AUX IN jack and the Bluetooth IN connector cover these with the supplied cap MP3 player etc cm AUDIO G ime gt emm QUT mBluetooth IN CONNECTOR If the Bluetooth IN connector is connected to Sherwood Audio Receiver BT R7 sold separately with Bluetooth wireless technology you can enjoy music wirelessly with a music player featuring Bluetooth wireless technology such as MP3 player mobile phone etc For information on Sherwood Audio Receiver BT R7 contact your dealer The Bluetooth word mark and logos are registered trademarks owned by Bluetooth SIG Inc and any use of such marks by Sherwood Corporation is under license Other trademarks and trade names are those of their respective owners B Note For safe operation turn the power off before connecting or disconnecting the Audio Receiver BT R7 Bluetooth IN cw Sherwood QbBluetooth o _ RX 4503 A 2008 8 12 3 43 PM 4 11 Remote Controls 8 POWER ON STANDBY POWER ON bu
15. Speakers or In general the bass and treble levels are adjusted to 0 BASS TREBLE C _ RX 4503 A 2008 8 12 3 43 PM 17 LISTENING TO RADIO BROADCASTS Auto tuning 1 Select the desired band Each time this button is pressed the band changes as follows FMST FMMONO AM ST lights up 5 goes When FM stereo broadcasts are poor because of weak broadcast signals select the FM mono mode to reduce the noise then FM broadcasts are reproduced in monaural sound BAND FREQUENCY 2 Press the TUNING UP DOWN buttons for more than 0 5 second C3 CJ C3 SURE 1 The tuner will now search until a station of sufficient O DO OO strength has been found The display shows the tuned or frequency and TUNE TUNE 0 If the station found is not the desired one simply repeat this operation Weak stations are skipped during auto tuning Manual tuning Manual tuning is useful when you already know the frequency of the desired station After selecting the desired band press the TUNING UP DOWN buttons repeatedly until the right frequency has been reached v TUNE a Auto presetting Auto presetting function automatically searches for FM stations only and store them in the memory While listening
16. cover 2008 8 12 3 44 PM 49 2 6 Sherwood OPERATING INSTRUCTIONS RX 4503 AM FM STEREO RECEIVER _ RX 4503 A 2008 8 12 3 43 PM 3 IMPORTANT SAFETY INSTRUCTIONS Read these instructions Keep these instructions Heed all warnings Follow all instructions Do not use this apparatus near water Clean only with dry cloth Do not block any ventilation openings Install in accordance with the manufacturer s instructions 8 Do not install near any heat sources such as radiators heat registers stoves or other apparatus including amplifiers that produce heat 9 Do not defeat the safety purpose of the polarized or grounding type plug A polarized plug has two blades with one wider than the other A grounding type plug has two blades and a third grounding prong The wide blade or the third prong are provided for your safety If the provided plug does not fit into your outlet consult an electrician for replacement of the obsolete outlet 10 Protect the power cord from being walked on or pinched particularly at plugs convenience receptacles and the point where they exit from the apparatus 11 Only use attachments accessories specified by the manufacturer 12 Use only with the cart stand tripod bracket or table specified by the manufacturer or sold with the apparatus When a cart is used use caution when moving the cart apparatus combination to
17. eption of your favorite FM stations AM Loop Antenna FM Outdoor Antenna AM LOOP A 750 outdoor FM antenna may be used to further improve the reception Disconnect the indoor antenna before replacing it with the outdoor one AM Outdoor Antenna ANTENNA Place the AM loop antenna as far as possible from the receiver TV set speaker cords and the AC input cord and set it to a direction for the best reception If the reception is poor with the AM loop antenna an AM outdoor antenna can be used in place of the AM loop antenna d _ RX 4503 A 2008 8 12 3 43 PM 7 2 CONNECTING AUDIO COMPONENTS The TAPE IN OUT jacks can be connected to audio recording equipment such as a tape deck an MD recorder etc The AUX IN jacks can be connected to an additional components such as CD player a tape deck etc CD cp player ENGLISH AUDIO LI Il OUT gt AUX CD player tape deck p RTI L TAPE Tape deck MD recorder etc L cp 28000 R OUT AUDIO L 7 5 IN 3 CONNECTING EXTERNAL INs Use these jacks to connect the corresponding analog outputs of 6 CH decoder or DVD player with 6 CH output EXTERNAL IN for Dolby Digital or DTS etc For details see the operator s manual of the component to be connected
18. es as follows gt 10 20 30 90 OFF Unit minutes While operating the sleep timer lights up When the sleep time is selected the fluorescent display is dimly lit DIMMER Each time this button is pressed the brightness of the fluorescent display changes as follows C ON dimmer OFF4 In the display OFF mode pressing any button will restore the display ON mode _ RX 4503 A 2008 8 12 3 43 PM 20 Troubleshooting Guide If a fault occurs run through the table below before taking your receiver for repair If the fault persists attempt to solve it by switching the receiver off and on again If this fails to resolve the situation consult with your dealer Under no circumstances should you repair the receiver yourself as this could invalidate the warranty The volume is adjusted too low The MUTE button is pressed to ON Speakers are not switched on Incorrect selection of the input source Incorrect connections between the components 2 a PROBLEM POSSIBLE CAUSE REMEDY m No power The AC input cord is disconnected Connect the cord securely Poor connection at AC wall outlet or the Check the outlet using a lamp or another outlet is inactive appliance No sound The speaker cords are disconnected Check the speaker connections
19. s follows CH LEVEL FL FR SW Front L Front R Subwoofer Possible only when listening via the speakers When the channel display disappears press this button again 2 At each channel adjust the level as desired cJ gooo The channel levels can be adjusted within the range of 15 15 dB In general we recommend the level to be adjusted to 0 dB 3 Repeat the above steps 1 and 2 to adjust each channel level d _ 4503 2008 8 12 3 43 PM 4 16 Adjusting the tone bass and treble 1 Select the desired tone mode E3 co PUES Each time this button is pressed the tone mode is selected as follows TONE DIRECT o OFF To listen to a program source without the tone effect DIR indicator lights up ENGLISH Or ON To adjust the tone for your taste DIR indicator goes off li Note When the EXTERNAL IN is selected as an input source the TONE cannot be set to ON m When the TONE is set to ON to adjust the tone bass and treble 2 Adjust the tone treble and bass as desired BASS gt TREBLE The tone level can be adjusted within the range of 12 L p p Lp jJ 12 ii Notes Extreme settings at high volume may damage your
20. such as a bookcase or similar enclosure Note Do not block ventilation openings or stack other equipment on the top Note to CATV System Installer of cable entry as practical This reminder is provided to call the CATV system installer s attention to Article 820 40 of the NEC that provides guidelines for proper grounding and in particular specifies that the cable ground shall be connected to the grounding system of the building as close to the point ECC INFORMATION the interference by one or more of the following measures Reorient or relocate the receiving antenna Increase the separation between the equipment and receiver Consult the dealer or an experienced radio TV technician for help could void the user s authority to operate the equipment This equipment has been tested and found to comply with the limits for a Class B digital device pursuant to Part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful interference in a residential installation This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instructions may cause harmful interference to radio communications However there is no guarantee that interference will not occur in a particular installation If this equipment does cause harmful interference to radio or television reception
21. tton 1 311 STANDBY button SPEAKER SLEEP DIMMER SPEAKER A B SELECTOR buttons 16 CO C3 DIMMER button SS SLEEP button C3 NUMERIC 0 9 buttons MEMORY button TUNING UP DOWN A v buttons PRESET UP DOWN v buttons DOLBY VS DOLBY HP button STEREO button CHANNEL LEVEL button VOLUME UP DOWN A v buttons CHANNEL DOWN 4 button CHANNEL button MUTE button TONE DIRECT button BASS UP DOWN gt 4 button TREBLE UP DOWN gt 4 button INPUT SELECTOR buttons 9 Sherwood REMOTE CONTROL UNIT RC 126 ENGLISH _ RX 4503 A 2008 8 12 3 43 PM 4 12 REMOTE CONTROL OPERATION RANGE ENGLISH 0 0 0000 9 0000 0000 Yo 87 a Jo f 000 i 000 000 LOADING BATTERIES 1 Remove the cover Use the remote control unit within a range of about 7 meters 23 feet and angles of up to 30 degrees aiming at the remote sensor 2 Load two batteries AAA size 1 5 V matching the polarity Ae Remove the batteries when they are not used for a long time Do not use the rechargeable batteries Ni Cd type RX 4503 A 2008 8 12 3 43 PM IJ 9 7 13 Operations LISTENING TO A PROGRAM SOURCE
22. which can be determined by turning the equipment off and on the user is encouraged to try to correct Connect the equipment into an outlet on a circuit different from that to which the receiver is connected Caution Any changes or modifications in construction of this device which are not expressly approved by the party responsible for compliance This Class B digital apparatus complies with Canadian ICES 003 Cet appareil num rique de la Classe B est conforme la norme NMB 003 du Canada FOR YOUR SAFETY CAUTION U S A CANADA Units shipped to the U S A and CANADA are designed for operation on 120 V AC only Safety precaution with use of a polarized AC plug However some products may be supplied with a nonpolarized plug CAUTION To prevent electric shock match wide blade of plug to wide slot fully insert ATTENTION Pour viter chocs lectriques introduire la lame la plus large de la fiche dans la borne correspondante de la prise et pousser jusqu au fond p ENERGY STAR is a U S registered mark As an ENERGY STAR Partner Sherwood has determined that this product meets the ENERGY STAR guidelines for energy efficiency Leave a space around the unit for sufficient ventilation Avoid installation in extremely hot or cold locations or in an area that is exposed to direct sunlight or heating equipment Keep the unit free from moisture water and dust Do not let foreign objects in
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