Rotel RT-830 User's Manual
Contents
1. PHOTO RT 830 AM FM STEREO TUNER OJOL MW LW FM STEREO TUNER ENGLISH IU Verr od 2S6 a Db pers 4e o 8 ge oin DEUTSCH LOL Ig siete 1M MIN cA ia o a a Da o ara 4 FRANCAIS S 52v ze vno ira nn 7 WARNING TO PREVENT FIRE OR SHOCK HAZARD DO NOT EXPOSE THIS APPLIANCE TO RAIN OR MOISTURE Write your SERIAL NUMBER here The number is located near the name plate on the rear panel ENGLISH AM FM STEREO TUNER RT 830 CAUTION As long as the power cord is plugged into an AC outlet power is supplied to the unit regardless of the setting of the Power Button MW LW FM STEREO TUNER RT 836L INTRODUCTION We at Rotel want to thank you for purchasing our audio product Rotel audio products are designed to use the latest electronic technology and they incorpo rate our long experience as a specialist manufac turer of audio equipment We are confident that you will find satisfaction in the high quality sound and top performance and that you will find pleasure in the functional beauty achieved through human engineering concept Before starting operation please read this instruction manual thoroughly and acquaint yourself with the proper mode of using the unit and all its connections We hope you will enjoy top notch performance for many years to come INSTALLATION Be sure to place the unit in a level and flat place where it is free from humidity vibration high temperature and not exposed to direct sunli2. 39 4 dBf 50 uV Signal to Noise Ratio at 65 dBf MONG lt oerte d 80 dB SIBTEO 25 xoxo pud d 73 dB Harmonic Distortion at 65 dBf TRMELAS FERVIPess HG 0 08 mono 0 3 stereo Frequency Response 35 to 15 000 Hz 1 5 dB 1 5 dB Captura Retias oco apa 4 1 5 dB Alternate Channel Selectivity EROT KHa foie leu 60 dB Spurious Response Ratio 85 dB Image Response Ratio 55 dB IF Response Ratio 90 dB AM Suppression Ratio 3 55 dB Stereo Separation 100 Hz 1 kHz 10 kHz 36 dB 40 dB 32 dB Subcarrier Product Ratio 65 dB 300 ohms balanced 75 ohms unbalanced Antenna Input AM TUNER SECTION MW LW RT 830L Sansitivitvss i cus REE e 350 u V m 750 uV m Selectivity i 4 c eR ns 35 dB 35 dB Signal to Noise Ratio 60 dB 60 dB Image Response Ratio 40 dB 40 dB IF Response Ratio 40 dB 40dB Afitenna ca Ca aX epi Ras Eug Loop antenna MISCELLANEOUS Power Requirement 120V 60 Hz 220V 50 Hz 240V 50 Hz or 120 220 240V 50 60 Hz depending on destinations Power Consumption 10 watts Dimensions overall 430 W x 66 H x 285 D mm 16 15 16 x 2 19 32 x 11 7 32 Weight net sess 3 1 kg 6 82 Ibs e Specifications and design subject to possible modification withou notice
3. cords securely connect the OUTPUT terminals on the rear panel of the unit to the TUNER or AUX terminals of amplifier Make absolutely sure that RIGHT terminal of one unit is connected to the RIGHT terminal of the other and LEFT to LEFT AMPLIFIER RT 830L ANTENNA INSTALLATION AND CONNECTION FM Antenna Proper installation of antenna is the key to smooth signal reception To install the attached T shape indoor antenna stretch it taut and secure horizontally along a wall or the like in a location where signal reception is optimal Securely connect the antenna to FM antenna terminals marked 3002 on the rear panel If outdoor type FM antenna is installed the T shape antenna is not necessary For proper use of your outdoor FM antenna follow the instructions below 1 Be sure to select the most appropriate type of antenna for the signal reception condi tions in your area 2 A 75 ohm coaxial cable is recommended in connecting the antenna to the unit 3 Set the antenna in a position as high as possible if buildings mountains or other obstructions nearby affect reception 4 The 75ohm coaxial antenna cable should be properly hooked up to the designated antenna terminals on the rear panel Locate the terminals labeled 7512 Connect the center conductor of the cable to the left hand ter minal and connect the outer braided conductor of the cable to the right hand terminal mark
4. ed G evel 2 i ANTENNA AM Antenna The loop antenna is provided for optimum AM reception Attach the loop antenna onto the antenna holder on the rear panel and connect the lead wires to the antenna screw terminals marked G and AM If an outdoor antenna is desired for better reception due to difficult reception area connect such antenna to the same screw terminals as theloop antenna Please note that the loop antenna should be feft con nected to the terminals even when the external antenna connected COAXIAL SOCKET OUT DOOR AM ANTENNA LOOP AM ANTENNA EXCLUSIVE NOTES FOR THE U S A Outdoor Antenna Grounding If an outside antenna is connected to the receiver tuner be sure the an tenna system is grounded so as to provide some protection against vol tage surges and built up static charges Section 810 of the National Electrical Code ANSI NFPA No 70 1978 provides information with respect to proper grounding of the mast and supporting structure grounding of the lead in wire to an antenna discharge unit size of grounding conductors location of antenna discharge unit connection to grounding electrodes and requirements for the grounding electrode See figure DOWNLEAD OR _ LEAD IN WIRE a b GROUND CLAMP MAST GROUND WIRE a b TO TUNER GROUND WIRE INS ANTENNA DISCHARGE S UNIT c GROUND CLAMPS a Use No 10 AWG copper or No 8 AWG alu
5. ght Be careful not to place the unit in a highly enclosed place such as near a wall or on bookshelf A poor ventilation will cause unde sirable effects to the unit POWER SUPPLY CONNECTION For power the unit requires the normal house electrical current AC You may simply plug the unit into a wall outlet or into your ampli fier s convenience AC outlet CAUTION Do not apply power without first making sure the proper connections are com pleted If you live in U K and your unit comes with 2 core cord without a plug be sure to read the exclusive caution for U K EXCLUSIVE NOTE FOR U K 1 If your unit comes with a 2 core cable without a plug make certain live and neutral leads are connected to the proper terminals Check that the terminals are screwed down firmly and no loose strands of wire are present IMPORTANT The wires in this mains lead are coloured in accordance with the follow ing code BLUE NEUTRAL BROWN LIVE As the colours of the wires in the mains lead of this apparatus may not correspond with the coloured markings identifying the terminals in your plug proceed as follows The wire which is coloured BLUE must be connected to the terminal which is marked with the letter N or coloured BLUE or BLACK The wire which is coloured BROWN must be connected to the terminal which is marked with the letter L or colour ed BROWN or RED CONNECTION TO INTEGRATED AMPLIFIER Using RCA pin
6. ition or incorrect pin plug insertion Check all connections if hum persists If noise is introduced it is usually caused by improper positioning of antenna cable or improper antenna installation Use a 75 ohm cable for outdoor FM antenna and minimize multipath to obtain optimal signal reception Note that during signal reception the unit may pick up noise from other household electric appliances as when switching power on or off In that case check the relative location of the appliances and keep them away from the unit or vice versa as necessary Note 1 In a location near a broadcasting station very strong signals may cause noise or distortion depending on the type of antenna used In that case install an attenuator between the antenna and the tuner Note 2 Inside a concrete building FM signals are weakened and satisfactory reception may be difficult An outdoor FM antenna will best remedy such a situation VOLTAGE SELECTION Not available for U K Canada and Scandinavia The unit is a variable voltage equipment that can run on 120V 220V or 240V power supply Your unit should already be preset at the proper voltage for use in your area However if you move to an area where the power supply voltage is different consult your dealer SPECIFICATIONS FM TUNER SECTION Usable Sensitivity mono 50 dB Quieting Sensitivity 10 8 dBf 1 9 4 V 300 ohms MONS rea demise PUE 16 dBf 3 5 uV S ireb iu sum Dae S
7. minum or No 17 AWG copper clad steel or bronze wire or larger as ground wires for both mast and lead in b Secure lead in wire from antenna to antenna discharge unit and mast ground wire to house with stand off insulators spaced from 4 feet 1 22 meters to 6 feet 1 83 meters apart c Mount antenna discharge unit as closely as possible to where lead in enters house SUITABLE GROUNDING ELECTRODE DRIVEN 8 INTO THE EARTH 244 METERS SWITCHES AND CONTROLS 1 Power Button position interstation noise generated when tuning in an FM station will be reduced 4 Signal Strength Indicator The 5 LEDs show incoming signal strength the receiving condition is optimal when all This button turns on the unit The LED indi cator above it will glow when the power is on Press the button a second time to turn off the power 2 Dial Scale The dial pointer LED indicates tuning fre quency 3 Stereo Indicator Glows when stereo broadcasting signal is tuned in Note that when stereo signal is very weak the unit will not give stereo reproduction and the indicator will not light up 5 LEDs are illuminated 5 AM FM Selector Push to either AM or FM position depending of which broadcasting you wish to listen In case of FM MW LW version model push LW MW button to select either LW or MW broadcasting 6 FM Mute Off Mono Button When this button is pressed to ON any FM broadcast is received monaurally Be su
8. re to leave the button in the released OFF position during normal stereo FM reception In the OFF ROTEL Avem STERFO TUNER AT B30 ou BOD ano 1009 WUD 400 600 7 AM Filter Button Push this button in to activate the filter to cut off high frequencies in case of background noises like hiss preventing a good AM reception 8 Tuning Knob Used to tune in to a desired station Rotate the knob to the right to tune for higher frequen cies and to the left for lower frequencies AM TUNING BAND MOOR FILTER FM sTEDFO ore a 000 MONO AM MUTE OFF ON OPERATION e Before commencing operation check to make sure all antenna amplifier and power con nections are properly made 1 Set the volume control on the amplifier to minimum position and amplifier function switch to TUNER position or to AUX position if the tuner is connected to AUX terminal 2 Turn on the amplifier and press the Power button on the tuner 3 Depress FM or AM button of the tuner function selector On RT 830L select among FM MW and LW buttons 4 Tune in to the desired station by means of tuning knob 5 Raise the volume to the desired level and enjoy listening HUM AND NOISE Hum often accompanies activation of power supply If hum is generated try replugging the power cord into the wall outlet reversing the plug this time Other possible causes of hum include improper routing of connecting cords try changing cord pos
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