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Chronosette-276  (120-1584)      Specifications        Faxback Doc. # 3772 
 
RADIO 
 
Frequency Range.............................................FM: 88-108 MHz 
                                                          AM: 530-1710 MHz 
 
CASSETTE PLAYER 
 
Tape Speed.......................................................1 7/8 ips 
Erasing System..............................................Magnetic Erase 
Recording System...................................................AC Bias 
 
GENERAL 
 
Power Output.........................................................700mW 
Speaker..................................................3 1/2 Inch, 8 Ohm 
                                                    Permanent Dynamic Type 
Dimensions...........................13 5/8 x 4 1/3 x 5 11/16 Inches (HWD) 
Weight...............................................................4 lbs 
Power Requirements.................................AC: 120 volts 60Hz, 10W 
                        220/240 volts 50 Hz for European/Australian Models 
Room temperature...............................77 degrees F (25 degrees C) 
 
AM BAND 
 
Speaker impedance:..................................................8 ohms 
 
Output readings are taken across a non-reactive load. 
 
Output reference level is 50mW total power. 
 
The generator output shall terminate in an IRE loop with the loop pointing 
toward rear of receiver. 
 
Modulation:...................................................1000 Hz, 30% 
 
                                UNIT            NOMINAL              LIMIT 
 
Frequency Coverage              kHz             510-1750           520-172 
IF                              kHz             455                   +/-3 
 
Antenna Sensitivity 
for S/N 20 dB       at 600 kHz  microV/M        500                    900 
                    at 1000 kHz microV/M        500                    900 

Summary of Contents for Chronosette-276

Page 1: ...nutes before it automatically shuts off Snooze Timer temporarily silences the buzzer radio or tape alarm so it sounds again in about 7 minutes Back Up Battery keeps the clock and alarm running for up...

Page 2: ...AC power cord If the BATTERY SENTINEL indicator lights change the battery If the display flashes after an AC power failure the battery is too low to accurately run the clock Replace the battery and re...

Page 3: ...ette 276 for improved FM reception Your local Radio Shack store has a complete line of external antennas to choose from To connect an external FM antenna to the Chronosette 276 slightly loosen the 2 s...

Page 4: ...ndicator lights when you receive an FM stereo station To improve reception for weak FM radio stations set AM FM FM STEREO to FM The sound changes from stereo to monaural mono but the sound quality imp...

Page 5: ...STOP EJECT to open the cassette compartment door 3 Load the cassette with its open edge up and the full reel to the right The side facing you is the side that plays 4 Close the cassette compartment do...

Page 6: ...tape plays for the set time period and automatically turns off To manually stop the tape press STOP EJECT When the tape reaches the end the Chronosette 276 automatically stops and releases the tape h...

Page 7: ...M band First record a short segment and play it back to listen for the beating sound If you hear the beat set BEAT CUT to its other position and resume recording 6 Press STOP EJECT to stop recording R...

Page 8: ...times Follow these steps to set ALARM 1 1 Press and hold down ALARM SET The display shows the current alarm time setting and the AM PM indicator 2 While holding down ALARM SET 1 press the appropriate...

Page 9: ...manually silence the alarm before the 59 minutes pass as follows Buzzer Alarm set OFF RADIO ALARM to OFF and then back to ALARM Radio Alarm press RADIO OFF Tape Player press RADIO OFF The alarm will...

Page 10: ...tabs does not prevent a bulk eraser from erasing the tape Erasing a Cassette Tape If you no longer want a recording you can record over it or erase it To record over a cassette tape record as usual T...

Page 11: ...After you put on the earphones adjust the volume to a comfortable listening level Do not increase the volume once you have established a comfortable listening level Over time your ears adapt to the vo...

Page 12: ...tly and carefully Dropping it can damage circuit boards and cases and can cause the Chronosette 276 to work improperly Keep the Chronosette 276 away from excessive dust and dirt which can cause premat...

Page 13: ...Requirements AC 120 volts 60Hz 10W 220 240 volts 50 Hz for European Australian Models Room temperature 77 degrees F 25 degrees C AM BAND Speaker impedance 8 ohms Output readings are taken across a non...

Page 14: ...Modulation at 5 mV m 2 5 Whistle modulation of 2nd or 3rd harmonic at 1 100mVm 3 15 Dial Calibration at 540 kHz kHz 20 at 1000 kHz kHz 50 at 1600 kHz kHz 80 FM BAND Speaker impedance 8 ohms Use resist...

Page 15: ...on at 98 MHz dB 60 50 Image rejection at 106 MHz dB 26 20 ACA 100 microV 400 kHz 75 KHz deviation dB 20 15 Audio THD 1000 Hz 75 kHz deviation 1mV 2 4 Dial Calibration at 88 MHz kHz 1000 at 100 MHz kHz...

Page 16: ...Distortion 1000Hz MTT 118BN 3 5 Erase Ratio 1000Hz BLANK TAPE 50 dB 45 dB Channel Separation 1000Hz MTT 141N 36 dB 32 dB Hum and Noise Volume Minimum 2 5mV 5mV Wow Flutter 3000Hz MTT 111N 0 2 0 40 No...

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