Jensen Model Sr 50 Manual

1.) For best performance and longer operating time, we recommend the use of good quality  
This system is equipped with non-skid rubber ‘feet’ to prevent the product from moving when  
you operate the controls. These ‘feet’ are made from non-migrating rubber material specially  
formulated to avoid leaving any marks or stains on your furniture. However certain types of oil  
based furniture polishes, wood preservatives, or cleaning sprays may cause the rubber ‘feet’ to  
soften, and leave marks or a rubber residue on the furniture.  
To prevent any damage to your furniture we strongly recommend that you purchase small self-  
adhesive felt pads, available at hardware stores and home improvement centers everywhere,  
and apply these pads to the bottom of the rubber ‘feet’ before you place the product on fine  
wooden furniture.  
When used in the directed manner, this unit has been designed and manufactured to ensure your  
personal safety. However, improper use can result in potential electrical shock or fire hazards.  
Please read all safety and operating instructions carefully before installation and use, and keep  
these instructions handy for future reference. Take special note of all warnings listed in these  
instructions and on the unit.  
2.) The batteries need to be replaced when if the volume decreases itself, sound is distorted  
during operation or display backlight blinks on screen.  
1. Use only the size and type of battery specified.  
1. Read these instructions.  
2. Do not mix old and new batteries.  
2. Keep these instructions.  
3. Do not mix alkaline, standard (carbon-zinc) or rechargeable (nickel-cadmium) batteries.  
4. If the unit is not to be used for an extended period of time, remove the batteries. Old or leaking  
batteries can cause damage to the unit and may void the warranty.  
5. Do not try to recharge batteries not intended to be recharged; they can overheat and rupture  
(Follow battery manufacturer’s directions).  
3. Heed all warnings.  
4. Follow all instructions.  
5. Do not use this apparatus near water.  
6. Cleaning – Unplug this product from the wall outlet before cleaning. Do not  
cleaners or aerosol cleaners. Clean only with a dry cloth.  
use liquid  
6. Do not dispose of batteries in fire, batteries may explode or leak.  
7. Replace all the batteries at the same time, no matter exhausted or not.  
7. Do not install near any heat sources such as radiators, heat registers, stoves, or other  
apparatus (including amplifiers) that produce heat.  
8. Only use attachments/accessories specified by the manufacturer.  
9. Unplug this apparatus during lightning storms or when unused for long  
Selecting fine audio equipment such as the unit you've just purchased is only the start of your  
musical enjoyment. Now it's time to consider how you can maximize the fun and excitement  
your equipment offers. This manufacturer and the Electronic IndustriesAssociation's Consumer  
Electronics Group want you to get the most out of your equipment by playing it at a safe level.  
One that lets the sound come through loud and clear without annoying blaring or distortion and,  
most importantly, without affecting your sensitive hearing. Sound can be deceiving. Over time  
your hearing "comfort level" adapts to higher volumes of sound. So what sounds "normal" can  
actually be loud and harmful to your hearing. Guard against this by setting your equipment at a  
safe level BEFORE your hearing adapts.  
periods of time.  
This unit may also be used with an AC adaptor (not included) with the output DC 6V, 600mA.  
1.) Firmly and securely insert the DC plug of the adaptor into the DC Jack on the unit  
2.) Plug the Adaptor plug into an outlet rated at 120V~ 60Hz.  
10. 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 has been exposed to  
rain or moisture, does not operate normally, or has been dropped.  
NOTE: This unit is not magnetically shielded and may cause color distortion on the screen of  
some TVs or video monitors. To avoid this, you may need to move the unit further away from  
the TV or monitor if unnatural color shifts or image distortion occurs.  
11. This apparatus shall not be exposed to dripping or splashing water and that no object filled  
with liquids such as vases shall be placed on the apparatus.  
12. Battery shall not be exposed to excessive heat such as sunshine, fire or the like.  
13. The marking information is located at the back of the apparatus.  
To establish a safe level:  
• Start your volume control at a low setting.  
• Slowly increase the sound until you can hear it comfortably and clearly, and without distortion.  
14. Danger of explosion if battery is incorrectly replaced. Replace only with the same or equivalent type.  
15. Attention should be drawn to the environmental aspects of battery disposal.  
Once you have established a comfortable sound level:  
• Set the dial and leave it there.  
Take a minute to do this now will help to prevent hearing damage or loss in the future. After all,  
we want you listening for a lifetime.  
1. In standby mode, tap the POWER/MODE button once to turn on the unit.  
2. Press and hold the POWER/MODE button for 2 seconds to place the unit in standby mode.  
1.) This radio features a power saving mode that will automatically turn off the display backlight  
to prevent draining the batteries when in use. When the power is ON, and if no buttons are  
pressed within 10 seconds, the display backlight will automatically turn OFF to save battery  
power. Tap any button to turn the display backlight back ON for 10 seconds. It will turn OFF  
again once the 10 seconds expires.  
This device complies with Part 15 of the FCC Rules. Operation is subject to the following two  
(1) this device may not cause harmful interference, and  
(2) this device must accept any interference received, including interference that may cause  
undesired operation.  
We Want You Listening For a Lifetime  
Used wisely, your new sound equipment will provide a lifetime  
of fun and enjoyment. Since hearing damage from loud noise is  
often undetectable until it is too late, this manufacturer and the  
Electronic Industries Association's Consumer Electronics Group  
recommend you avoid prolonged exposure to excessive noise.  
2.) You can also turn on the display backlight when in standby mode by tapping the TIME SET  
button. The display backlight will turn on for 10 seconds, and then turn OFF again once the  
time expires.  
NOTE: 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, which can be determined by turning  
the equipment off and on, the user is encouraged to try to correct the interference by one or  
more of the following measures:  
Customer's Record:  
MODEL: SR-50  
The serial number of this product is found on its bottom cover. You should note the serial number  
of this unit in the space provided as a permanent record of your purchase to aid in identification  
in the event of theft of loss.  
The SR-50 operates on 4 ‘AA’ (UM-3) batteries (Not included) or with a DC 6V, 600 mA power  
supply (Not included).  
1. In unit Standby mode, press the TIME SET button once, the LCD display backlight will be ON,  
then press and hold the button again, hour digits of clock flashing, set the hour by rotating  
2. Tap the TIME SET button to confirm, minute digits are flashing to prompt for input.  
3. Set the minute by rotating the TIME ADJUST FORWARD/BACKWARD knob.  
4. Tap the TIME SET button to finish the setting.  
- Reorient or relocate the receiving antenna.  
1. Remove the battery door located on the back of the unit.  
2. Following the polarity diagram (+ and -) shown in the battery compartment, and insert 4 'AA'  
(UM-3) batteries (not included).  
CAUTION: Danger of explosion or leaking if the battery is replaced incorrectly. Replace only  
with the same type battery.  
- Increase the separation between the equipment and receiver.  
- Connect the equipment into an outlet on a circuit different from that to which the receiver is  
- Consult the dealer or an experienced radio/TV technician for help.  
3. Replace the battery door.  
• During the time set, if no buttons are being pressed within 5 seconds, the current display time  
will be automatically stored.  
Model Number: SR-50  
Serial Number:  
Changes or modifications not expressly approved by the party responsible for compliance could  
IMPORTANT: Be sure that the battery is installed correctly. Wrong polarity may damage the  
void the user’s authority to operate the equipment.  
• Make sure the hour is set so that the PM indicator is displayed correctly.  
unit and void the warranty.  
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4. To cancel the sleep timer, repeatedly tap the SLEEP buttons until timer shows “OFF”, sleep  
indicator goes off.  
To prevent fire or shock hazard, disconnect your unit from theAC power source when cleaning.  
• The finish on the unit may be cleaned with a dust cloth and cared for as other furniture, Use  
caution when cleaning and wiping the plastic parts.  
5. To turn the unit off before the selected length of time, press and hold the POWER button  
at any time.  
1. Press the POWER/MODE button to turn on the unit.  
2. Tap the MODE button repeatedly to select the AM or FM band. The corresponding indicator  
will be lighting up and frequency readout will show in display.  
1. With the unit in standby mode, tap the ALARM SET button once, and the LCD display backlight  
will turn ON. Tap the ALARM SET button repeatedly to select the ALARM 1, ALARM 2 or  
dual alarms. The corresponding alarm indicator “AL1, AL2” or both alarm indicators light up  
in display.  
2. When alarm 1 indicator “AL1” shows in display, press and hold the ALARM SET button for a  
few seconds, the Alarm 1 display show AM 6:00 and hour digit blinks.  
3. Rotate the TIMEADJUST /SETTING FORWARD/BACKWARD knob to set hour time of alarm.  
Note: Be sure to observe the PM indicator when setting the alarm to make sure the alarm  
time is set correctly for am or pm. If the PM indicator is ‘On’, the alarm time will be “PM”.  
4. Tap the ALARM SET button to confirm, minute digits are flashing to prompt for input.  
5. Rotate the TIME ADJUST FORWARD/BACKWARD knob to set minute time of alarm.  
6. Tap the ALARM SET button to confirm. Wake up beeping alarm message “bU” showing in  
7. Rotate the TIME ADJUST FORWARD/BACKWARD knob to select wake up source - beeping  
(bU), FM or AM radio.  
Note: If you selected wake up to radio, the last radio setting will be used when the alarm time  
is reached. Make sure the frequency and volume is set properly before putting the unit  
into standby mode for next day alarm.  
8. Tap the ALARM SET button to confirm, alarm wake up volume level showing in display.  
9. Rotate the TIME ADJUST FORWARD/BACKWARD knob to select alarm wake up volume  
level. Tap the ALARM SET button to finish the setup. Alarm 1 indicator “AL1” lights up steady.  
Note: the minimum wake up volume is level 8.  
• If the cabinet becomes dusty wipe it with a soft dry dust cloth. Do not use any wax or polish  
sprays on the cabinet.  
SPECTRA MERCHANDISING INTERNATIONAL, INC. warrants this unit to be free from  
defective materials or factory workmanship for a period of 90 days from the date of original  
customer purchase and provided the product is utilized within the U.S.A. This warranty is not  
assignable or transferable. Our obligation under this warranty is the repair or replacement of  
the defective unit or any part thereof, except batteries, when it is returned to the SPECTRA  
Service Department, accompanied by proof of the date of original consumer purchase, such as  
a duplicate copy of a sales receipt.  
1.) To check the remaining sleep time, tap the SLEEP button once.  
2.) If you are falling asleep to music from an external device connected to the AUX input, the  
sleep timer will shut off the power to this system but it will not turn off the external device.  
• If the front panel becomes dirty or smudged with fingerprints it may be cleaned with a soft cloth  
slightly dampened with a mild soap and water solution. Never use abrasive cloths or polishes  
as these will damage the finish of your unit.  
1. Rotate the TUNING knob to choose your desired radio station.  
2. Rotate the VOLUME+/- knob to set the desired volume level.  
3. Use the manual tuning method to tune in weaker stations that are bypassed duringAutomatic  
CAUTION: Never allow any water or other liquids to get inside the unit while cleaning.  
You must pay all shipping charges required to ship the product to SPECTRAfor warranty service.  
If the product is repaired or replaced under warranty, the return charges will be at SPECTRA’s  
expense. There are no other express warranties other than those stated herein.  
This function wakes you up after a short period of time. Only the beeping can be selected.  
1. In standby mode, tap the NAP button once, and the LCD display backlight will turn ON. Tap  
the NAP button repeatedly to select 120-90-60-30-15-10 or 5 minutes for your nap, wait 5  
seconds for the unit to confirm your selection. The NAP indicator lights up.  
Note: When the preset time is reached, the alarm will sound for 60 minutes unless interrupted  
by pressing the POWER button.  
2. To stop the nap alarm when it sounds, tap the POWER button.  
3. To cancel NAP alarm before it sounding, tap the NAP button repeatedly until display shows  
OFF and wait for 5 seconds to confirm.  
To automatically search for stations with strong signals, rotate TUNING knob quickly until  
frequency readout on the display begins to scan and then release the knob. The tuner will stop  
on the first strong station it finds.  
If you experience difficulties in the use of this music system, please check the following or call  
1-800-777-5331 for Customer Service.  
This warranty is valid only in accordance with the conditions set forth below:  
1. The warranty applies to the SPECTRA product only while:  
a. It remains in the possession of the original purchaser and proof of purchase is demonstrated.  
b. It has not been subjected to accident, misuse, abuse, improper service, usage outside the  
descriptions and warnings covered within the user manual or non-SPECTRA approved  
- Manual tune to select weaker stations that might be skipped during automatic tuning.  
- If the automatic tuning does not stop on the exact frequency of the station, for example, it stops  
on 88.9 MHz instead of 88.8 MHz, use the manual tuning method to "fine tune" to the exact  
frequency of the desired station.  
- If not button pressed, display will change to show clock after 5 seconds and then turn off the  
backlight for power saving after another 5 seconds.  
Possible Cause  
- Retune the AM or FM Broadcast  
- FM: Fully extend FM Antenna  
- AM: Reposition the unit until the  
best reception is obtained.  
- Station not tuned properly for AM or FM  
- FM: FM antenna is not extended.  
- AM: The unit is not places in best reception  
c. Claims are made within the warranty period.  
Noise or distorted  
sound on AM or  
FM broadcast.  
2. This warranty does not cover damage or equipment failure caused by electrical wiring not in  
compliance with electrical codes or SPECTRAuser manual specifications, or failure to provide  
reasonable care and necessary maintenance as outlined in the user manual.  
3. Warranty of all SPECTRA products applies to residential use only and is void when products  
are used in a nonresidential environment or installed outside the united States.  
This unit provides an auxiliary audio signal input jack for connecting external audio devices like  
MP3 players, CD players and listen to them through the speaker of this unit.  
1. Use an audio cable (not included) with one 3.5 mm stereo plug on each end of the cable.  
2. Plug one end into the AUX IN JACK on the main unit and the other end of the cable into the  
Line-out Jack or Headphone Jack of your external audio device.  
AM - The AM antenna is located inside the cabinet of the unit. If AM reception is weak,  
change the position of unit until the internal antenna picks up the strongest signal.  
FM - To insure maximum FM tuner reception, the Telescopic Antenna should be fully extended  
and rotated to obtain the best FM radio reception.  
- Press POWER/MODE button  
until radio is on and select AM or  
FM mode.  
10. Repeat above steps 1-9 to set alarm 2 or dual alarm if necessary.  
NOTE: Default alarm time of Alarm 2 is 7:00 AM.  
11. To disable alarm 1/2 from automatically sounding on the upcoming days, tap the ALARM  
SET button repeatedly until the corresponding alarm AL1 or AL2 indicator goes off.  
12. To resume alarm 1/2, tap the ALARM SET button repeatedly until the corresponding alarm  
indicator AL1/AL2 will be turned on and the alarm(s) will sound the next day at the set time.  
AM or FM no - Unit not in “RADIO” function mode  
This warranty gives you specific legal rights, and you may also have other rights which vary  
from state to state. TO OBTAIN SERVICE please remove all batteries (if any) and pack the unit  
carefully and send it freight prepaid to SPECTRA at the address shown below. IF THE UNIT  
IS RETURNED WITHIN THE WARRANTY PERIOD shown above, please include a proof of  
purchase (dated cash register receipt) so that we may establish your eligibility for warranty  
service and repair of the unit without cost. Also include a note with a description explaining how  
the unit is defective. A customer service representative may need to contact you regarding the  
status of your repair, so please include your name, address, phone number and email address  
to expedite the process.  
- Volume set at minimum  
- Increase Volume.  
3. Turn on the unit and external audio device.  
1. Press the POWER button to turn the unit ON.  
4. Tap the MODE button repeatedly until ”AUX (AUH)” appears on display.  
5. The volume level can now be controlled through the main unit. Operate all other functions  
on the auxiliary device as usual.  
Sound appears  
distorted at high  
volume setting  
- Volume control of this unit is set to - Adjust Volume Control to a lower  
comfortable level.  
2. Tap the MODE button repeatedly to select AM or FM band. The corresponding indicator will  
be lighting up and radio frequency readout will show in display.  
3. Use the TUNING knob to select the desired radio station.  
4. Press and hold the PRESET button; the next available preset memory number will flash in  
the LCD display. (Note: “P01” will blink in the display if you are programming presets for the  
first time.)  
When the preset alarm time is reached, the alarm or radio will sound for 60 minutes unless  
interrupted by pressing SNOOZE. To stop the alarm immediately, tap the POWER button once.  
Note: Volume control knob no function in Beeping alarm sounding mode.  
• If you connect this unit to the Line-Out Jack of your external device then you only need to adjust  
the volume control of this unit. If you connect the Headphone Jack of your external device  
then you may need to adjust both the volume controls of your external device and this unit to  
obtain the desirable volume setting.  
IF THE UNIT IS OUTSIDE THE WARRANTY PERIOD, please include a check for $12.00 to cover  
the cost of repair, handling and return postage. All out of warranty returns must be sent prepaid.  
5. Rotate the TIME ADJUST FORWARD/BACKWARD knob to change to the desired preset  
number P01 thru P10.  
• Press and hold the POWER button to turn off the unit when you have finished listening. Don't  
forget to switch off the power of your external device as well.  
Power requirement:  
DC Input: 4 x 1.5V “AA” (UM-3) batteries (not included)  
or DC 6V, 600 mA AC adaptor (not included)  
6. Repeat steps #3 thru #5 to preset up to 10 stations.  
When the alarm sounding, press the SNOOZE button to suspend the alarm and activate the  
snooze function, SNOOZE indicator shows in display, alarm will be temporarily stopped and  
will sound again 9 minutes later.  
It is recommended that you contact SPECTRA first at 1-800-777-5331 or by email at custserv@ for updated information on the unit requiring service. In some cases the model  
you have may be discontinued, and SPECTRA reserves the right to offer alternative options  
for repair or replacement.  
7. To recall one of the preset stations already programmed, tap the PRESET button repeatedly  
until you reach the desired preset number/radio station.  
Frequency Range: FM 87.5 – 108MHz  
AM 520 – 1710KHz  
4230 North Normandy Avenue,  
Chicago, IL 60634, USA.  
• This manual snooze operation can be repeated again and again.  
To turn off the Snooze function when it activates, tap the POWER button. The snooze and  
flashing alarm indicator go off.  
1. Children should be supervised when using this appliance.  
At Spectra, environmental and social responsibility is a core value  
2. Avoid operating your unit under direct sunlight or in hot, humid or dusty places.  
3. Keep your unit away from heating appliances and sources of electrical noise such as  
fluorescent lamps or motors.  
of our business. We are dedicated to continuous implementation  
The sleep timer allows you to turn the unit off after a designated time is reached.  
1. To activate the sleep timer, turn the unit on and either tune to the desired radio station or  
listening to music via AUX IN.  
2. Tap the SLEEP button and the sleep time indicator appears on the display.  
3. Repeatedly tap the SLEEP button to select a sleep timer of 120, 90, 60, 30, 15, 10 or 5  
minutes. Wait 5 seconds after your selection for the unit to confirm the selection, the unit will  
play for the selected length of time then automatically turn off.  
of responsible initiatives with an aim to conserve and maintain the  
environment through responsible recycling.  
4. Unplug the unit from the electrical power outlet immediately in case of malfunction.  
To register your product, visit the link on the website below to enter your information.  
Please visit us at for more information on Spectra’s green  
initiatives or to find a recycler in your area.  
Printed in China  
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