Optimus 120-2154 User Manual Download Page 3

The CD player in this stereo system is made and tested to meet exacting 
safety standards.  It meets FCC requirements and complies with safety 
performance standards of the U.S. Department of Health and Human Service. 
 
WARNINGS:  This system employs a laser light beam.  Only a qualified 
           service person should remove the cover or attempt to service 
           this device, due to possible eye injury. 
 
           The use of controls, adjustments, or procedures other than 
           those specified herein might result in hazardous radiation 
           exposure. 
 

Summary of Contents for 120-2154

Page 1: ...mory tuning seek and scan tuning and FM optimizer circuitry all help make your stereo s operation simple and quick to help you drive safely CAUTION Use common sense Do not change your stereo s setting...

Page 2: ...eft right and front rear speakers so you can tailor the sound to suit your preferences Anti Theft Control Panel lets you quickly remove and store the stereo s control panel in the supplied carry case...

Page 3: ...standards of the U S Department of Health and Human Service WARNINGS This system employs a laser light beam Only a qualified service person should remove the cover or attempt to service this device d...

Page 4: ...on in your vehicle might require cutting or modifying your vehicle Place the stereo as close as possible to the selected mounting location We recommend that you install the stereo by temporarily conne...

Page 5: ...e it to the back of the stereo with a piece of tape MAKING THE CONNECTIONS The supplied harness with the 14 pin connector includes all the lead wires you need to connect the stereo to ground power som...

Page 6: ...to Battery Blue White AMP Remote Turn on 500 mA MAX White Front Left Speaker White Black Front Left Speaker Gray Front Right Speaker Gray Black Front Right Speaker Green Rear Left Speaker Green Black...

Page 7: ...ower memory wire to your vehicle battery s positive terminal or to a point in your vehicle s fuse block that provides a continuous source of 12 volts This connection provides power for the stereo s co...

Page 8: ...nal is usually marked with a plus sign or red mark 2 Connect the gray black wire to the right front speaker s negative terminal This terminal might be marked with a minus sign or it might not be marke...

Page 9: ...8535 White Left Speaker Green Left Speaker Gray Right Speaker Violet Right Speaker White Black Green Black ___ Do Not Connect Gray Black Violet Black 1 Connect the gray wire to the right speaker s pos...

Page 10: ...E STEREO Be sure you verify that the stereo is connected properly see Testing the Connections above Then follow these steps to mount the stereo 1 Make sure the ignition is turned off then disconnect t...

Page 11: ...hicle under the dashboard This strap also helps ensure proper electrical grounding of the stereo 10 Reconnect the cable to the vehicle battery s negative terminal Then install the stereo s control pan...

Page 12: ...e keys from the slots 6 Disconnect the wire harness and the antenna 7 If you are mailing or shipping the stereo use a Phillips screwdriver to reinstall the shipping screw in the top of the stereo 8 Re...

Page 13: ...s off and the stereo cannot be used This is a simple but effective security measure Any stored stations remain in memory when the control panel is removed INSTALLING THE CONTROL PANEL 1 Insert the lef...

Page 14: ...splays the correct hour To continuously advance the hour hold down TUNE SEEK TRACK 3 While holding down CLOCK repeatedly press TUNE SEEK TRACK until the stereo displays the correct minute To continuou...

Page 15: ...the number disappear before you press or repeatedly press AUDIO CONTROL SEL until the setting you want reappears then repeatedly press or hold down or to set it To set bass treble balance and fader t...

Page 16: ...ISPLAYING THE CLOCK While the radio or a CD is playing press CLOCK to display the clock TURNING THE KEY TONE ON AND OFF The stereo is preset to beep when you press most buttons To turn the key tone of...

Page 17: ...ne to the station you want to store 3 Hold down the desired memory channel button until P the memory channel number and the frequency flash once on the display The station is stored Storing Stations i...

Page 18: ...FMII 2 Press ATP for less than 1 second to select the desired memory station Each time you press ATP the stereo advances to the next memory channel Notes Do not hold down ATP This causes the stereo t...

Page 19: ...he CD player might make an usual noise This is not a malfunction PLAYING A CD 1 Press ON OFF to turn on the stereo 2 Insert a CD label side up in the slot The stereo automatically switches to CD play...

Page 20: ...ACK or to select the next or previous track AUDIBLE SEARCH To search for a particular section of a track hold down TUNE SEEK TRACK or TUNE SEEK TRACK during play The stereo rapidly plays the CD either...

Page 21: ...each track on the loaded CD so you can find the track you want to listen to To begin scanning press SCN 3 SCN appears during scanning To stop scanning press SCN 3 again at the desired track to resume...

Page 22: ...n fails loaded If it is not insert the CD properly If it is eject the CD and load it again E07 The CD is loading Reload the CD with the incorrectly label side up The CD is dirty or Clean the CD see CD...

Page 23: ...eo gently and carefully Dropping it can damage circuit boards and cases and can cause the stereo to work improperly Wipe the stereo with a damp cloth occasionally to keep it looking new Do not use har...

Page 24: ...ehicle If a CD skips when you try to play it it might be scratched Your local RadioShack store sells a Scratch n Fix kit Cat No 42 127 that might help remove the scratch and stop the skip See also Tro...

Page 25: ...Blade Type Fuse 1 Disconnect the cable from your vehicle s negative battery terminal 2 If the back of the stereo is not accessible remove the stereo from the dash as described in Removing the Stereo F...

Page 26: ...n the two units listed RADIO FM Nominal AM Nominal Frequency Range 88 108 MHz 530 1710 kHz Frequency Response 3 dB 50 12500 Hz N A IF Rejection 85 dB 40 dB Image Rejection 60 dB 25 dB Selectivity 66 d...

Page 27: ...ound Speaker Output Impedance 4 Ohms Maximum Power 25 Watts x 2CH or 6 Watts x 4CH 12 2154 25 Watts x 4CH 12 2155 Power Output RMS 16 Watts x 2CH or 4 Watts x 4CH 12 2154 16 Watts x 4CH 12 2155 Chassi...

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