Sound for Generations ROBERTS R9903 3 Band Portable Radio Sca le LW Pow er 0 MW 1 FM 2 160 0 108 2 80 140 0 3 2 60 4 120 0 106 5 2 20 10 0 0 104 8 00 100 8 6 00 92 7 18 0 70 0 96 6 2 00 16 0 15 0 9 10 5 30 Tuning 88 kH z kH z M Hz R 9903 3 Band Portable Radio Please read this manual before use
Controls 1 2 (Top) LW MW FM 3 Scale LW (Front) Power 0 MW 1 FM 2 160 0 108 2 80 140 0 3 2 60 4 120 0 106 104 4 5 2 20 10 0 0 8 00 100 8 6 00 92 7 18 0 70 0 96 6 2 00 16 0 15 0 9 10 5 30 Tuning 88 kH z kH z MHz R 9903 3 Band Portable Radio 1. Telescopic Aerial 2. Waveband switch 3. Power LED 4.
Controls (Left side) (Right side) DC 6v + + 5 7 Vo lu m e 6 7 8 5. DC input socket 6. Headphone socket 7. Volume control 8.
Battery operation 1. Remove the Battery cover on the rear of the unit by pushing the catch in the direction of the arrow. 2. Insert four LR6 (AA size) batteries into the spaces in the compartment. Take care to ensure all batteries are inserted with the correct polarity as shown inside the battery compartment. Replace the battery cover. 3. Reduced power, distortion, and a ‘stuttering’ sound are all signs that the batteries may need replacing. 4.
Operating your radio 1. Turn on your radio by rotating the Volume control clockwise until a click is heard. The Power LED will light up 2. Set the Waveband selector to the required waveband. 3. Adjust the Volume control until a hissing sound is heard. Volume 4. Rotate the Tuning knob to select the desired station. On MW and LW the Tuning scale is marked in kilohertz (kHz). On FM the Tuning scale is marked in Megahertz (MHz) 5.
Headphones 1. A Headphone Socket (3.5mm) located on the right hand end of your radio is provided for use with either headphones or an earpiece. Inserting the headphone plug automatically mutes the internal loudspeaker. Vo lu m e General Do not allow this unit to be exposed to water, steam or sand. Do not leave your radio where excessive heat could cause damage such as in a parked car where the heat from the sun can build up even though the outside temperature may not seem too high.
Specifications Circuit Features Power Requirements Batteries 4 x LR6 (AA size) External DC 6 Volts Loudspeaker 77mm Output Power 400 mW into 8ohms Headphone socket 3.5mm dia Aerial System FM Telescopic aerial @ 300mA centre pin negative (-). Battery Life Approx. 80hrs of listening for 4 hours a day at normal volume using alkaline cells. MW Built-in Ferrite aerial LW Built-in Ferrite aerial Frequency Coverage FM 87.
Guarantee This instrument 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.
