JAMO XT-250 User's Manual
Contents
1. SERI of een a XT 250 Owner s Manual Electronic Tuning AM FM MPX Radio with Auto Reverse Cassette Player and 40 Channel CB Transceiver Ak i i XT 250 ETR AUTO E mya FM o ME Mjo me I 16 15 14 13 1 On Ot Volume Balance Control 2 To turn the radio or CB on turn this control clockwise until a slight click is felt Continue turning to increase the volume level By first pushing inward on this knob while turning it in either direction you will vary the audio balance from the teft to the right By turning the knob clockwise to the right you increase the sound level of the right speakers while decreasing the left speaker level Opposite rotation reverses the effect Bass Treble Control This single rear knob performs two separate tonal adjustments unlike a single tone control By rotating the knob clockwise you increase the bass tones without 3 12 a1 10 affecting the treble tones Once the bass level is set to your requirements push inward on the knob while turning clockwise which will increase the treble tones Again adjust this knob for the most pleasing effect You may find that the settings used for one type ot music are not acceptable for other types example classical vs country western Fader Control When four speakers are connected to this unit rotating the rear knob will vary the sound level between the front and rear speakers This knob should be us2. advance the tape at rapid speed until the REW button is lightly pressed Depressing both buttons at the same time will change tape sides if side 1 is being played it will change to side 2 Since this unit has a special jogic controlled meghanism you will find the functions ef the REW and FF buttons are always the same no matter which side of the cassette is being played Additionally located just 9 above the Seek button you will find two illuminated arrows which show which direction the tape is moving in ata glance ai Electronic Seek Tuning The next available radio broadcast station can be quickly located when listening to one station by depressing and releasing this button The seek button will auto matically seek the next higher station and stop The setting of the Local Distant switch will greatly affect the use of this button In the LOCAL mode the seek function will skip over weak stations until it finds a strong station broadcast In the DISTANT mode it will stop at he very first station it comes to even if it is weak and almost out of range The seek mode is automatically stopped when it finds a statlon or you can cancel it manually by re depressing the button 10 Station Preset Selectors Six sofl touch pushbutton selectors nave been provided to enable you to memorize up to twelve different radio stations 6 AM stations and 6 FM stations To program these selectors ref
3. and PM Indicators 4 Advancing the minutes past 59 to 00 does not advance the hours t Made In Korea i Additional Operation Noles l 1 CB Microphone To talk into the microphone hold it about 6 inches from your mouth and speak clearly ina normal voice level For you to transmit you must depress the switch on the side of the micspphone while you speak Release it in order to hear the re sponse 2 CB Antenna Never attempt to use the CB without a proper CB antenna connected to the CB antenna jack on the rear of the unit A standard radio antenna connected to the radio s antenna jack is not accept able Consult with your dealer for the best type of cB or Tri Band antenna for your vehicle 3 Cold amp Heat Never use the cassette mode in extreme cold Allow unit and cassette to warm up to a comfort able level first Avoid exposing cassettes to extreme heat or direct sunlight 4 Cassettes Defective broken warped or otherwise damaged cassettes must never be used C 120 120 minute tapes should not be used in any automotive cassette player Use C 30 C 60 orc 90 only Also see cold and heat warning Audiovox Corp Hauppauage N Y 11788 TEN
4. e and indicate which of the 40 available CB channels has been selected If PA mode is selected the display will be blank SRF TX Meter in the transmit mode of CB operation the TX LED will illuminate to verify signal transmission while the SRF LED s will indicate relative modulation level In the Sg 14 receive mode the LED s indicate sequentially the strength of the incoming signal Electronic Radio Station Tuning Selectors To select a radio station depress either the upward or downward pointing arrow after observing the radio display panel A quick depress and release will increase or decrease the frequency one step while holding the button in will rapidly advance the digits Note AM radio stations advance in 10 KHz steps 530 540 550 etc as this is the mandatory spacing required by the FCC tor radio broadcast stations FM radio stations advance in 2 MHz steps 103 5 103 7 103 9 etc for the same reason Note For simplicity some FM stations will advertise their call sign as an even number example WWDH 104 FM and you will find you cannot tune to 104 0 FM Only 103 9 or 104 1 can be selected This is not a problem of the radio since no FM station can broadcast on an even digit frequency If you listen for the true stations call frequency you wilkfind it will be either 103 9 or 104 1 They have rounded itout to 104 for advertising purposes only This was not a problem in
5. ed in conjunc tion with the balance knob for total four speaker sound control i ap eal 4 Squelch Contro This knob is to be used to determine how strong an incoming CB transmission must be to automatically break through the radio or tape program being listened to At low squelch settings almost all signals will be received including background carrier nolse on occasions Higher settings require a stronger incoming signal to break through Some experimentation will be necessary to find a suitable compromise The squelch control has no effect on outgoing CB transmissions Rotating the control fully counter ckockwise until a click is felt will completely turn off the CB and the CB display 5 PA Selector The built in CB amplifier of this unit can also be used as a loudspeaker paging amplifier First an external PA or horn type speaker must be connected to the PA jack on the rear of the unit Once this is done depressing and releasing the PA button on the unit will set the amplifier to the PA mode By depressing the talk switch on the hand held microphone and speaking into the microphone your voice will be amplified and broadcast out the PA speaker Whenever the unit is in the PA mode the CB channel display will be blank To end PA operation re depress and release the PA button A F AM FM Selector The selection of either the AM radio band or the FM radio band ts made by depres
6. er to the following a Turn on radio Select elther AM or FM band b Select the first radio station to be programmed by using either the Up Down tuning selectors or the Seek tuning c Depress the ME button and you will see an LED illuminate near the ME marine on the display for 8 seconds d You must depress the first of the six memory pre sets within the 8 seconds At this time the LED will go out a i i pali 14 and the first radio station is programmed on the lirst pre set button e Repeat b c and d for the remaining five pre sets then change to the other band and re program the six buttons for six additional stations on the other band Radio amp Function Display Panel This LED panel provides a visual display of all radio functions First it shows which radio frequency Is selected by disptaying the numerical frequency Second ly by illuminating a small dot near the AM or FM marking you know which band is selected the AM also functions with PM for time display Additionally the ST marking indicates a Stereo broadcast while the LO marking indicates the Local mode is selected see Local Distant Selector Other indications include ME to show the Memory Enable button Is selected Finally the display panel will indicate the Time whenever the radio fre quency is not displayed 12 CB Channel Display 13 When in CB operation this display will iluminat
7. sing this button then releasing it The selected band will be displayed on the LED panel by illuminating a dot next to the AM or FM markings L D Local Distant Selector f This contro functions in radio and CB operation in essence it reduces the reception capability of the radio and CB in the Local mode so that only strong signals can be received When the button is In the local mode it will be indicated by illuminating a dot on the LED panel _ next to the LO symbol Whenever the switch is In the Distant mode maximum reception capability is achieved The setting of this button will also effect the automatic Seek tuning operation by limiting or increas ing the amount of radio stations the system wil seek in radio mode F T Frequency Time Selector in normal use the LEO panel will display the time of day Should you want to see the radio frequency displayed depress and release this button The radio frequency will appear for approximately eight seconds then return to time display The button can also be used to change the radio frequency display back to time display should you not want to wait for the eight second delay The radio frequency will also be displayed temporarily while using any of the radio function controls Up Down Tuning Seek Station Pre Set F A Selection and L D Selection Approximatiey eight seconds after the control is last used the frequency display will change back
8. the past when radios only had a radio dial with a moving pointer All you had to do was move the pointer near 104 on the dial and rock it back and forth to find the station Today s electronic tuners are far more precise and will locate only the exact true frequency Fortunately most radio stations realize the confusion they are causing and have begun broadcasting their true frequency l i F el ihre 16 Microphone Jack 15 Electronic CB Channel Selectors The twosolt touch buttons allow quick and accurate CB channel selection to use the buttons first observe which channel is displayed on the CB Channel Display If the channel you want is a higher number press the button with the upward pointing arrow If the desired channel is a lower number depress the downward pointing arrow Each time the selected button Is briefly depressed and released the channels will advance one digit If the button Is depressed and held in the channels will advance rapidly a To connect the CB microphone insert plug into this socketusing care to align the keyway and tighten the nut Setting the Clock The clock can be set by the following method 1 Turn unit on and depress F T button to display the time if frequency is displayed 2 Depress and hold in the ME button 3 Keeping the ME button depressed depress the Radio Up tuning button to advance minutes and the Down button to advance hours Also note the AM
9. to time display ME Memory Enable Pushbutton This button is used for several functions See Setting the Clock and Station Preset Selectors hy rhe fH ih i shine ji 7 5 Cassette Eject Once a cassette is playing you can stop the playing and eject the cassette by firmly depressing this button The cassette will be partly released and can be easily removed from the tape slot Do not leave a cassette in the unit with the power off Once the cassette is ejected the unit automatically reverts to radio operation Auto Reverse Cassette Opening The cassette mechanism is protected by a door that automatically retracts when a cassette is Inserted To load the cassette verify the open tape side of the cartridge is facing to the right and slowly guide the tape into the opening until resistance is felt A firm push on the tape will activate the loading mechanism and the tape will be drawn into the unit and begin playing Play will continue until you eject the cassette Once the end of the tape is reached the system reverses automatically and begins to play the other side of the tape This cycle will keep repeating until the cassette is ejected Cassette Rewind Fast Forward and Program Selector The two indicated buttons perform three separate func tions Depressing the REW button will rewind the tape at rapid speed until the FF button Is lightly pressed Depressing the FF button will
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