Roberts R9974 Manuel utilisateur

3 Band PLL Synthesised Portable

Mains Battery Radio

Please read this manual before use

ROBERTS

Sound for Generations

R9974

Controls ........................................................................... 3-4

Display.................................................................................5

Battery operation .................................................................6

Using the AC adaptor ..........................................................6

Setting the clock ..................................................................7

Operating your radio............................................................8

Scan tuning .........................................................................8

Manual tuning......................................................................9

Search tuning ....................................................................10

Storing stations in preset memories ..................................11

Recalling preset stations ...................................................12

Setting the radio alarm ......................................................13

Setting the HWS buzzer alarm ..........................................14

Snooze function................................................................ 15

Sleep function....................................................................15

Tuning step size.................................................................16

Display backlight ...............................................................17

Headphone socket ............................................................17

General..............................................................................18

Speciﬁcations ....................................................................18

Circuit features ..................................................................18

Guarantee .........................................................................19

Contents

If you need any further advice, please call our Technical Helpline on :-

020 8758 0338 (Mon-Fri) 3

Controls

(Top) 13 6

1. On/Off button

2. LCD display

3. Band/Step button

4. Radio alarm button

5. Buzzer alarm button

6. Scan/Time set button

7. Volume control

8. Tuning up button

9. Tuning down button

10. Preset buttons

Controls

11. Headphone socket

12. DC input socket

If you need any further advice, please call our Technical Helpline on :-

020 8758 0338 (Mon-Fri) 5

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a. Waveband indicators

b. Frequency indicators

c. Sleep/Snooze indicators

d. PM indicator

e. Time set indicator

f. Time indicators

g. Buzzer alarm indicators

h. Radio alarm indicators

i. Battery indicator

j. Preset indicators

Battery operation

1. Release the catch securing the rear door of your radio.

2. Insert four LR20 (D 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. Close the rear door and

secure the catch

3. Reduced power, distortion, and a ‘stuttering’ sound are all signs that

the batteries may need replacing. The batteries should be replaced

when the battery indicator ﬂashes and "E" shows in the display.

4. If the radio is not to be used for any extended period of time it is

recommended that the batteries are removed from the radio.

We would recommend for economy that the R9974 is used via the

AC adaptor whenever possible with battery operation for occasional

or stand-by use only.

Using the AC adaptor

1. Insert the adaptor plug into the DC in socket on the left hand side of

your radio.

2. 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 and

the radio when not in use. The unit is only fully isolated from the mains

if the AC adaptor is removed from the wall socket.

If you need any further advice, please call our Technical Helpline on :-

020 8758 0338 (Mon-Fri) 7

Setting the clock

1. The clock will start running when the batteries are installed or when

the radio is connected to the mains supply. The display will show "-:--"

together with the real time symbol .

2. The time can be set with your radio switched on or off.

3. Press and hold down the Time set button until the hours digits ﬂash

in the display.

4. Press the Tuning up/down buttons to set the required hour.

5. Press the Time set button, the minute digits will ﬂash in the dis-

play.

6. Press the Tuning up/down buttons to set the required minute.

7. Press the Time set button to complete time setting. The colon between

the hour and minute digits will begin to ﬂash.

Operating your radio

Your radio is equipped with four tuning methods:- Scan tuning, Manual

tuning, Search tuning and Memory preset tuning.

Scan tuning

1. Press the On/Off button to switch on your radio.

2. Select the required waveband by repeatedly pressing the Band button.

For the FM waveband fully extend the Telescopic aerial and set it at

an angle of 45 degrees.

3. Press and release the Scan button to commence scan tuning.

4. The radio will scan the selected waveband and stop automatically

when it ﬁnds a station of sufﬁcient strength. Press the Scan button

to listen to the station.

Note: your radio will continue to search for the next available station

if you do not press the Scan button when it ﬁnds a radio station.

5. When the waveband end is reached the radio will continue tuning from

the opposite waveband end.

6. Set the Volume control clockwise to the required level.

7. To switch off your radio press the On/Off button. The display will show

OFF.

If you need any further advice, please call our Technical Helpline on :-

020 8758 0338 (Mon-Fri) 9

Manual tuning

1. Press the Power button to turn on the radio.

2. Select the required waveband by repeatedly pressing the Band button.

For the FM waveband fully extend the Telescopic aerial and set it at

an angle of 45 degrees.

3. A single press on either the Tuning up or Tuning down buttons will

change the frequency in the following increments:-

FM 50 or 100kHz

MW 9 or 10 kHz

LW 3kHz

4. When the waveband end is reached the radio will continue tuning from

the opposite waveband end.

5. Set the Volume control clockwise to the required level.

6. To switch off your radio press the On/Off button. The display will show

OFF.

Search tuning

1. Press the Power button to turn on the radio.

2. Select the required waveband by repeatedly pressing the Band button.

For the FM waveband fully extend the Telescopic aerial and set it at

an angle of 45 degrees.

3. Press and hold down either the Tuning up or Tuning down buttons

for more than 0.5 sec to commence scan tuning.

4. The radio will scan the selected waveband and stop automatically

when it ﬁnds a station of sufﬁcient strength.

5. To recommence scan tuning, press and hold down either the

Tuning up or Tuning down buttons for more the 0.5 sec.

6. When the waveband end is reached the radio will continue tuning from

the opposite waveband end.

7. Set the Volume control clockwise to the required level.

8. To switch off your radio press the On/Off button. The display will show

OFF.

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