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Headphones

A  3.5mm  socket  (4)  is  provided  for  use  with  either  headphones  or  an
earpiece. Inserting a plug into this socket automatically mutes the internal
loudspeaker.

Specifications

Power Requirements

 9.0V 

Batteries

6 x IEC R14 (C size)

Battery Life

Approx. 60hrs of listening for 4 hours a day at
normal volume using alkaline cells.

Frequency Coverage

FM

87.5-108MHz

MW

522- 1620kHz

LW

150- 281kHz

Circuit Features

4 ICs, 4 Transistors, 17 diodes.

Loudspeaker

100mm 8ohms

Output Power

1watt into 8ohms

Headphone socket

3.5mm dia

Aerial System

FM

Telescopic aerial

MW

Built-in Ferrite aerial

LW

Built-in Ferrite aerial

The Company reserves the right to amend the specification without notice.

Summary of Contents for RP28

Page 1: ...RP28 3 Band Preset Portable Radio Please read this manual before use ...

Page 2: ...3 4 5 7 6 8 9 1 ON OFF button 2 AFC button 3 Preset buttons 4 Headphone socket 5 Telescopic aerial 6 Tuning tool 7 Volume control 8 Tone control 9 Tuning presets ...

Page 3: ...PU9 B INPUT 240V 50Hz OUTPUT 9V 300mA DC 9V PIN ve 10 0 DC Socket ...

Page 4: ...buttons FM1 4 andturnthevolumecontroluntil sound is audible Engage the tuning tool into corresponding preset knob tuneinthe desiredFMstation Lowestfrequenciesareattheanti clockwise end of rotation and highest at the clockwise end The other 3 FM presets may be set up in the same way The AFC button 2 should now be depressed This will turn on the Automatic Frequency Control AFC circuit which holds th...

Page 5: ...e using alkaline cells 87 5 108MHz 522 1620kHz 150 281kHz Circuit Features 4 ICs 4 Transistors 17 diodes Loudspeaker 100mm 8ohms Output Power 1watt into 8ohms Headphone socket 3 5mm dia Aerial System FM Telescopic aerial MW Built in Ferrite aerial LW Built in Ferrite aerial The Company reserves the right to amend the specification without notice ...

Page 6: ... numbers copic aerials will not be replaced under guarantee should be made through the dealer from whom the instrument was purchased It is likely that your Roberts dealer will be ckly and efficiently but should it be necessary the dealer will return the instrument to the company s service department is not possible to return the instrument to the Roberts dealer from whom it was purchased please co...

Page 7: ...OBERTS RADIO TECHNICAL SERVICES DEPARTMENT 97 99 Worton Road Isleworth Middlesex TW7 6EG Technical Helpline 020 8758 0338 Issue 4 ...

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