Roberts RD-18 Manual de usuario

RD-18

DAB digital radio

Please read this manual before use

ROBERTS

Sound for Generations

Controls..............................................................................2

Battery operation ...............................................................3

Mains operation .................................................................3

Operating your radio ..........................................................4

Selecting a station ............................................................5

Secondary services...........................................................6

Display modes...................................................................6

Finding new stations .........................................................7

Autoselect .........................................................................7

Manual tuning ....................................................................8

Signal strength display .....................................................8

System reset .....................................................................9

Headphone socket ..........................................................10

Line out socket ...............................................................10

Display backlight.............................................................10

General ............................................................................11

Specifications..................................................................11

Circuit features ................................................................11

Mains Supply ...................................................................12

Notes ...............................................................................13

Guarantee........................................................................14

Contents

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

020 8758 0338 (Mon-Fri) 2

Controls

1. On/Off button

2. Mains LED indicator

3. Line out socket (on rear)

4. Telescopic aerial (on rear)

5. Headphone socket (on end)

6. Tuning control

(Top) 1 4

61011 89

7. Info button

8. Select button

9. Auto Tune button

10. Liquid crystal display (LCD)

11. Volume control

Battery operation

1. Remove the Battery cover on the rear of the unit by pushing the

battery door in and downwards. .

2. Insertsix LR14(Csize)batteriesintothespacesinthecompartment.

Takecareto ensureall batteriesareinserted withthe correctpolarity

asshowninsidethebatterycompartment.Replacethebatterycover.

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

the batteries may need replacing.

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 RD-18 is used on the

mains whenever possible with battery operation for occasional or

stand-by use only.

Mains operation

1. Place your radio on a flat surface.

2. Plug the mains lead into the Socket located on the rear of your radio

ensuring that the plug is pushed fully into the socket.

3. Plug the other end of the mains lead into a wall socket and switch on

the wall socket.

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

020 8758 0338 (Mon-Fri) 4

Operating your radio

1. Fully extend the telescopic aerial

2. Press the On/Off button to switch on your radio. The display will

show Roberts DAB digital radio for a few seconds.

3. If this is the first time the radio is used a quick scan of UK Band III

DAB channels will be carried out. The display will show Autotune

Quick scan. If the radio has been used before the last used station

will be selected.

4. During Autotune as each group of stations is detected the bottom

line of the display will show its name and the station count will be

updated. The top line of the display shows a bargraph indicating

progress of the Autotune.

5. When the Auto tune is complete the first station (in numeric-alpha

order 0...9...A....Z) will be selected.

6. Ifthe station list is still empty after theAutotune you radio will display

No Signal.

7. If no signals are found it may be necessary to relocate your radio to

as position giving better reception.

Selecting a station

1. The top line of the display shows the name of the station currently

selected.

2. Rotate the Tuning control to scroll through the list of available

stations.

3. Press and release the Select button to select the station. The

display may show Tuning while your radio finds the new station.

4. Adjust the Volume control to the required setting.

Note: If after selecting a station the display shows Not Available it

may be necessary to relocate your radio to a position giving better

reception.

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

020 8758 0338 (Mon-Fri) 6

Displaymodes

Your radio has five display modes:-

1. Press the Info button to cycle through the various modes.

a. Scrolling text Displays scrolling text messages such

as artist/track name, phone in number,

etc.

b. Programme Type Displaystypeofstationbeinglistened to

e.g. Pop, Classic, News, etc.

c. Multiplex Name Displays name of multiplex to which

current station belongs.

d. Signal strength Displayssignalstrengthforstationbeing

listened to.

e. Time and date Displays current time and date.

Secondaryservices

1. Certain radio stations have one or more secondary services asso-

ciated with them. If a station has a secondary service associated

with it the display will show > next to the station name on the station

list. The secondary service will then appear immediately after the

primary service as you turn the tuning control.

Finding new stations

As time passes new stations may become available. To find new

stations proceed as follows:-

1. Press and release the Auto Tune button, the display will show

Autotune Quick scan. Your radio will perform a scan of the UK DAB

frequencies. As new stations are found the station counter on the

right-handside of thedisplay will increase andstations will beadded

to the list

2. To carry out a full scan of the entire DAB Band III frequencies press

and hold down the Auto Tune button for more than 2 seconds and

then release. The display will show Autotune Full scan. As new

stations are found the station counter on the right-hand side of the

display will increase and stations will be added to the list

Autoselect

As an alternative to pressing the Select button to select a station your

radio can be set so as to automatically select a station.

1. Rotate the Tuning control a few clicks in either direction, imme-

diately press and hold down the Select button until the display

shows Autoselect ON.

2. Rotate the Tuning control until the station you require is visible on

the display. After a few seconds your radio will automatically select

the station shown on the display.

3. To switch off autoselect rotate the Tuning control a few clicks

in either direction, immediately press and hold down the Select

button until the display shows Autoselect OFF.

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

020 8758 0338 (Mon-Fri) 8

Manual tuning

Manual tuning allows you to tune directly to the various Band III DAB

channels.UKDABstationsarecurrentlylocatedintherange11Bto12D.

1. Press and hold down the Select button until the display shows

Manual tune. Release the Select button.

2. Rotate the Tuning control to select the required DAB channel.

3. Press and release the Select button to select the channel.

4. Rotate the Tuning control to select the stations contained within

the Multiplex (group of stations) for the selected DAB channel.

5. Press and release the Select button to return to normal tuning

mode.

Signal strength display

1. Repeatedly press and release the Info button until the lower line

of the display shows signal strength.

2. Positionyour radioand angle thetelescopic aerialfor bestreception

using the signal strength display as guide. Move your radio around

and position so as to give maximum number of black rectangles on

signal strength display.

3. The clear unfilled rectangle indicates minimum signal level required

for satisfactory reception.

Systemreset

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 your radio

2. Switch on your radio - as soon as the screen shows Roberts DAB

digital radio press and hold down the Select button until the display

shows System Reset.

3. A full reset will be performed and the station list will be erased.

4. A Quick scan will then be performed.

If a problem persists our technical staff would be pleased to help

offer any assistance on operating the radio. Our technical helpline

number is 020 8758 0338.

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