Rotel RMT90 User's Manual
Contents
1. is connected to the RIGHT terminal of the other and LEFT to LEFT 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 3009 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 Connect the 75 ohm coaxial cable to the antenna terminals located on the rear panel as shown in the figure RMT SOL OUTDOOR AM ANTENNA BUILT IN AM ANTENNA AM Antenna Erect the AM ferrite bar antenna provided on the rear panel If you install outdoor AM antenna connect the antenna lead wire to the antenna terminal marked AM 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 to2. 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 DOWNLEAD OR _ LEAD IN WIRE a b GROUND CLAMP TO TUNER and lead in 1 22 meters to 6 feet 1 83 meters apart in enters house SWITCHES AND CONTROLS 1 STAND BY Button Press this button to turn on the tuner The LED indicator above the button glows In the re leased position the unit is in the standby state and power is supplied to the memory circuit from the AC mains 2 Stereo Indicator Glows when stereo broadcasting signal is tuned in Note that when stereo signal is very weak the unit may give only monaural reproduction In that case the indicator will not light up even though the unit is tuned to a stereo program 3 Signal Indicator The three LEDs show incoming signal strength the receiving condition is optimal when all three LEDs are illuminated 4 Frequency Display Indicates frequency currently tuned in along with notations FM and MHz in FM re ception or AM and kHz in AM reception RMT 90 ROTEL STAND BY STEREO SIGNAL AMI LS a Use No 10 AWG copper or No 8 AWG aluminum or No 17 AWG copper cl
3. CTION 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 The rear panel of the unit is provided with a socket for connecting the Rotel Remote Control Center RMR 90 which allows wireless remote control of the unit SPECIFICATIONS Stereo Separation 100Hz 1kHz 10kHz 40dB 45dB 40dB FM TUNER SECTION Subcarrier Product Ratio 40dB Usable Sensitivity mono 11 2dBf 2 0uV SCA Rejection Ratio 60dB 50dB Quieting Sensitivity Antenna input 300 ohms balanced Katad 1 Arai lest 15 24Bf 3 0uV 75 ohms unbalanced Stereo eos ut Aa a 37 2dBf 40uV AM TUNER SECTION MW LW RMT 90L Signal to Noise Ratio at 65dBf aa LN a S aA Bot 300uV m 800uV m MONO inns as mi ona See 73dB SHOCUVIRY Ar BS 35dB 35dB DRIO a a oa plate 1 0 70dB Signal to Noise Ratio 50dB 50dB Harmonic Distortion at 65dBf Image Response Ratio 40dB 35dB LOOMS 25 s02 5 2 Rea ero 0 08 mono 0 1 stereo IF Response Ratio 30dB 50dB M NE A es AN 0 08 mono 0 2 stereo PROM a canta sin s eve MORA Built in ferrite loopstick antenna CRN ars we cee aan aed 0 2 mono 0 3 stereo Frequency Response 30 to 15 000Hz 0dB 2dB MISCELLANEOUS Ca
4. PLAKS TEE apes pee v Pubid eooeere STATION CALL PAJAN tit MONO MANGN ALTE ONE a AALIEM STERE TONER PHOTO RMT 90 Quality Uncompromised RMT 9O RMT 9OL ENGLISH AM FM STEREO SYNTHESIZER TUNER RMT 90 MW LW FM STEREO SYNTHESIZER TUNER RMT 90L 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 thoroughiy and acguaint 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 sunlight Be careful not to place the unit in a highiy enclosed place such as near a wall or on a 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 the AC out let on th
5. RS 9 Auto Manual Tuning Button When this button is in the released position you can tune in to FM stations in automatic tuning mode Depress this button to tune in to AM or FM stations in manual tuning mode 10 FM Mode Muting Button When this button is pressed to ON any FM broadcast is received monaurally Be sure to leave the button in the released OFF position during normal stereo FM reception In the OFF position interstation noise generated when tuning in an FM station will be reduced 11 Station Buttons Three buttons are used to tune in to desired preset stations or to preset given station freguencies in unit s memory The LED in dicator above each button glows when the but ton is depressed MONO MANUAL 4 5 MUTE OFF TUNING TUNING DOWN OPERATION e The RMT 90 RMT 9OL employs a quartz PLL synthesizer for easy and accurate tuning Tuning frequency is visible on the digital read out and you can tune in to the desired station accurately With the unit s memory circuit you can preset memory tuning This is a feature only a synthesized tuner can offer letting you recall a stored station frequency instantly with a single tap of a button e One station button can store one AM and one FM station in its memory With the five station buttons a total of five AM and five FM stations can be stored The RMT 90L memory stores a total of five FM stations and five MW LW stations The power
6. ad steel or bronze wire or larger as ground wires for both mast 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 STATION FM ITTA i ys grounding conductors location of antenna discharge unit connection MAST to grounding electrodes and requirements for the grounding electrode GROUND GROUND N ANTENNA See figure WIRE a b as DISCHARGE gt UNIT c GROUND lt CLAMPS SUITABLE GROUNDING SB1682 c Mount antenna discharge unit as closely as possible to where lead The word MEMORY will appear when Memory Program button is pressed 5 Memory Program Button To enter a given station freguency into the unit s memory circuit press this button first and then tap the desired station button 6 AM FM Selector Press AM button for AM signal reception and FM button for FM signal reception RMT 90L gives AM reception in either MW or LW mode Depress MW button for middle wave reception and LW button for long wave reception 7 Tuning Button DOWN Used when tuning in a station whose freguency is lower than the reading on the freguency display 8 Tuning Button UP Used when tuning in a station whose freguency is higher than the reading on the freguency display T m STATION CALL FM AM OO DO QUARTZ PLL SYNTHSIZER ELECTRODE DRIVEN u 8 INTO THE EARTH 2 44 METE
7. ches a point where the input signal exceeds a certain acceptable level The receiving frequency is held on the readout To tune in to another station press DOWN or UP button according to the frequency of the desired station e Manual tuning Set auto manual tuning button to the depressed position A tap of the tuning button DOWN or UP will shift the tuning freguency in specified increments If you keep the button pressed down the frequency will change continuously Release the button to stop frequency change Preset memory tuning Tune in to the desired station in either auto or manual tuning mode Tap the Memory Program button The word MEMORY will appear on the frequency display Then tap any station button 1 through 5 to enter the frequency into the memory circuit Thereafter you may recall the same frequency any time simply by tapping the same button Note that the word MEMORY remains on the display panel for several seconds only you should tap the appropriate station button to enter the station frequency during that time If the word MEMORY disappears before you tap the station button entry cannot be made In that case start again following the above procedures The above procedures should also be followed to change the station preset for a given station button Note 1 If you have turned off the unit and turn it on again the unit will tune in to the station frequency to which it was tuned im mediate
8. e Rotel Remote Control Center RMR 90 Note that when you plug the power cord into a switched outlet on amplifier the stored memo ry will be lost three days after switching off the amplifier 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 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 WITH INTEGRATED AMP OR PREAMP Using RCA pin 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
9. ly before turn off Note 2 To go directly into the manual tuning mode from the auto tuning mode depress the auto manual tuning button and then press the tuning button UP or DOWN Scanning stops and you are now in the manual tuning mode 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 position 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 SELE
10. pture Ratio 1 008 Power Requirement 120V 60Hz 220V 50Hz 240V 50Hz Alternate Channel Selectivity 120 220 240V 50 60Hz 2800K Hz st 60dB Power Consumption 9 watts Spurious Response Ratio 80dB Dimensions overall 279 W x 66 H x 262 D mm Image Response Ratio 70dB 11 x 2 19 32 x 10 5 16 IF Response Ratio 110dB Weight COO kann gave es inn 4 2 7kg 5 94 Ibs AM Suppression Ratio 58dB Specifications and design subject to possible modification without Muting Threshold 104 V prior notice
11. source of the unit s memory circuit is the capacitor back up type If power cord is unplugged or if there is a power failure the electrical energy accumulated in the capacitor while the unit was ON will retain the frequencies stored in the memory circuit for three days The memory is retained as long as the power cord is plugged into an AC outlet regardless of the position of the Standby but ton If you leave the power cord unplugged for over three days the stored frequencies will be lost 1 Before commencing operation check to make sure all antenna amplifier and power con nections are properly made 2 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 3 Turn on the amplifier and press the STAND BY button on the tuner 4 Depress FM or AM button of the tuner function selector On RMT 9OL select among FM MW and LW buttons 5 Tune in to the desired station by means of tuning or station buttons See section on Tuning 6 Raise the volume to the desired level and enjoy listening Tuning The unit is designed to permit three modes of tuning auto tuning manual tuning and preset memory tuning e Auto tuning for FM reception only Set auto manual tuning button to the released position Press Tuning button UP or DOWN Automatic scanning of FM band begins Scan ning stops when it rea
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