3-band RDS PLL digital radio Sound for Generations ROBERTS R9940 Please read this manual before use
Contents Features ..................................................... 1 FM mono/stereo button ............................ 19 Control locations ..................................... 2 Setting the sleep timer ............................. 19 Display information ................................. 4 Display back light ...................................... 20 Installing batteries .................................. 5 Lock button ................................................ 20 Battery replacement ..
Features z Large easy to read Liquid Crystal Display (LCD) showing station name, frequency, time, memory location and function status. z RDS station name display. z Twenty seven memory presets offer instant access to your favourite stations on LW, MW and FM. z Automatic time set via RDS signal. z ATS (Auto Tuning System) - scans LW, MW and FM bands, automatically storing stations in preset memories. z Scanning circuit allows you to search for active stations. z Wake to radio or buzzer alarms.
Controls 2 1 1. Standby button. 4 3 6 5 2. Liquid crystal display. 3. Time set button. 4. ATS button. 7 5. FM Stereo/Mono button. 6. Lock button. 8 7. Power/Sleep button. 8. Display button. 9. Waveband button. 9 10. Tuning/Minute + button. 11. Tuning/Minute - button. 12. Preset/Hour + button. 13. Preset/Hour - button. 14. Memo button.
18 15 19 20 15. Clock auto adjust switch. 16 16. Headphone socket. 17 18. Telescopic aerial. 17. DC input socket. 21 19. Light button. 20. Tone control switch. 21. Volume control. 22.
Display A B C D E F L G K H J 4 I A. Alarm indicators F. Key lock indicator. K. Frequency and text indicators. B. RDS indicator. G. Low battery indicator. L. Stereo indicator. C. Sleep time indicator. H. Frequency units. D. Snooze indicator. I. Memory number. E. Time. J. Memory indicator.
Installing batteries 1. Position the radio face down on a soft surface. 2. Press the catch as shown and slide in the direction of the arrow. 3. Lift out the battery cover 4. Insert 4 x LR6 (AA) size batteries as shown in the diagram. 5. Replace the battery cover.
Battery replacement The battery indicator will appear in the display immediately your radio is switched off. Batteries should be replaced when the indicator shows less than 3. After removing batteries you have approximately 3 minutes to replace the batteries after which clock and memory information will be lost. When the low battery indicator display replace batteries immediately.
4. Press and hold down the Tuning up or down buttons until the frequency in the display begins to change rapidly, release the button. 5. The radio will now start to search the FM waveband and will stop when it finds a station of sufficient strength. If the station is of sufficient strength the symbol will light up in the liquid crystal display. 6. Slide the Clock auto adjust switch to the ‘On’ position. 7.
Setting the clock time manually When batteries are installed for the first time the display will show - - : - -. Time can be manually set with the radio switched on or off. The clock uses the 24 hour system e.g. 2:00pm is shown as 14:00. 1. Slide the Clock auto adjust switch to the ‘Off’ position 2. Press and release the Time set button , the display will show ‘TIME SET’ . 3. The clock uses the 24 hour system e.g. 2:00pm is shown as 14:00. Set the correct hour using the Hour + and - buttons. 4.
Setting the buzzer alarm Note: Clock uses 24 hour system. 1. Repeatedly press and release the Standby button until the display shows ‘Buzzer’. symbol 2. Whilst the display and alarm time are flashing set the required hour using the Hour + and - buttons. 3. Set the required minute using the Minute + and - buttons. Press and release the Standby button to complete alarm setting. 4. At the preselected time the alarm will sound. The alarm may be turned off for 24 hours by pressing the Power button. 5.
Setting the radio alarm Note: Clock uses 24 hour system. 1. Repeatedly press and release the Standby button until the display shows ‘Last CH’. 2. Whilst the display symbol is flashing set the required hour using the Hour + and - buttons. 3. Set the required minute using the Minute + and - buttons. Press and release the Standby button to complete alarm setting. 4. At the preselected time the radio will switch on to the last station listened to.
Search tuning 1. Switch on your radio by pressing the Power button. 2. Select the required waveband by repeat pressing of the Waveband button. The waveband selected will appear in the display. On FM fully extend the Telescopic aerial. On MW and LW rotate your radio for best reception. 3. Press and hold down either the Tuning + or buttons until the frequency in the display begins to change rapidly. Release the button. 4.
Manual tuning 1. Switch on your radio by pressing the Power button. 2. Select the required waveband by repeat pressing of the Waveband button. The waveband selected will appear in the display. On FM fully extend the Telescopic aerial. On MW and LW rotate your radio for best reception. 3. A single press on either the Tuning + or buttons will change the frequency up or down. The frequency steps are:- FM 50kHz, MW 9kHz or 10kHz and LW 1kHz. Adjust the Volume and Tone controls to the required settings.
MW (AM) tuning step size In Europe and other parts of the world MW tuning steps are 9kHz, in America the MW tuning step size is 10kHz. To change the MW tuning step size from 9KHz to 10KHz proceed as follows:1. Switch on your radio and select the MW waveband. 2. Press and hold down the Display button until the display shows 10 kHz. 3. Press the Display button to confirm the setting. 4. To change back to 9kHz steps - press and hold down the Display button until the display shows 9 kHz. 5.
Presetting stations You may store up to 9 stations on FM, 9 on MW and 9 on LW giving a total of 27 preset stations. 1. Tune into the required station using one of the tuning methods previously described. 2. Press and release the Memo button, the word SAVE - -> will appear in the display. 3. Select the preset under which you wish to store the station using the Preset + and - buttons. 4. Press and release the Memo button to store the station. The preset number will now appear at the bottom of the display. 5.
Recalling a preset station 1. Switch on your radio using the Power button. 2. Select the desired waveband using the Bands button. 3. Press either of the Preset buttons to cycle through the available preset stations. Deleting a preset station Your radio is equipped with a Memory scan facility. 1. Select the preset location you wish to delete using the Preset buttons. 2. Press and hold down the Memo button until DELETE appears in the display. 3.
ATS (Automatic Tuning System) The automatic tuning system will scan the selected waveband and automatically store stations in the memory presets. note: ATS operates on FM an MW bands only activating the ATS function will overwrite any stations previously stored in the memory presets 1. Select the required waveband by pressing the Bands button. 2. Press and hold down the ATS button until frequency digits in the display begin to change rapidly.
Operating your radio using RDS (Radio data system) The Radio Data System (RDS) is a system in which inaudible digital information is transmitted in addition to the normal FM radio programme. 1. Switch on your radio and select the FM waveband. 2. Tune into a station, the display will indicate frequency for a few seconds and then change to show the station name. The symbol will appear in the display 3. If the station does not carry RDS information only the station frequency will be shown.
Display Modes (FM only) 1. Whilst tuned to a station displaying its RDS station name, you can change between station name and frequency by pressing and releasing the Display button. 2.
FM stereo/mono button (FM only) 1. If the station being received is weak some hiss may be audible, to reduce the hiss press the FM ST/ Mono button to switch to mono mode. The stereo indicator will be removed from the display. 2. Press the FM ST/Mono button to return to FM stereo operation. Note: FM stereo is only available when using earphone/headphones Setting the sleep timer Your radio can be set to turn off after a preset time has elapsed. 1. Ensure that your radio is switched off. 2.
Display backlight 1. Pressing the Light button will switch on the display backlight and illuminate the display for approximately 7 seconds. Lock button The Lock button is used to prevent unintentional operation. 1. Press the Lock button , the symbol will appear in the display. The Power and all other buttons will be disabled. This will prevent accidental operation when the radio is packed in a suitcase. 2. To release the lock function press the Lock symbol will be removed button, the from the display.
Using an AC adaptor (not included) The AC adaptor for use with the R9940 should provide 6 volts DC output at 300mA centre pin negative (Roberts type PU6-B). Insert the adaptor plug into the DC socket on the left side of the radio. Plug the adaptor into a standard 13A mains socket outlet. Whenever the adaptor is used the batteries are automatically disconnected. The AC adaptor should be disconnected from the mains supply when not in use.
Headphones Headphones or earphones for use with your radio should be stereo and fitted with a 3.5mm stereo jack plug. Insert the headphone plug into the socket on the left side of the radio. When the headphones are plugged in the loudspeaker is automatically disconnected.
Troubleshooting/Reset button If your radio fails to operate correctly, or some digits on the display are missing or incomplete carry out the following procedure. 1. Switch off the radio and remove the batteries. 2. With the aid of a suitable implement (the end of a paper clip) press the reset button located in the battery compartment for at least 5 seconds, this will reset the microprocessor, clock time and clear all stations stored in preset memory.
Specifications Power requirements Sockets DC 6.0V @ 300mA centre pin negative Headphone socket 3.5mm dia stereo. DC input socket 6.0 volts centre pin negative. Batteries 4 x IEC size LR6 (AAsize) Frequency Range FM 87.5 - 108.0MHz MW or 522 520 - 1710kHz - 1710KHz LW 153 - 279kHz Battery Life Approx. 20hrs of listening when used for 4 hours a day at normal volume using alkaline batteries. Loudspeaker: 8 ohms Output power: 250mW.
Guarantee This radio is guaranteed for twelve months from the date of delivery to the original owner against failure due to faulty workmanship or component breakdown, subject to the procedure stated below. Should any component or part fail during this guarantee period it will be repaired or replaced free of charge. The guarantee does not cover: 1. Damage resulting from incorrect use. 2. Consequential damage. 3. Receivers with removed or defaced serial numbers. N.B.
ROBERTS RADIO TECHNICAL SERVICES Issue 1 97-99 Worton Road Isleworth Middlesex TW7 6EG Technical Helpline :- 020 8758 0338 (Mon-Fri during office hours)
