Roberts R9940 User Manual

ROBERTS

Sound for Generations

Please read this manual before use

R9940

3-band RDS PLL digital radio

Features ..................................................... 1

Control locations ..................................... 2

Display information ................................. 4

Installing batteries .................................. 5

Battery replacement ............................... 6

Setting the clock automatically............. 6

Setting the clock manually .................... 8

Setting the buzzer alarm ....................... 9

Setting the radio alarm .......................... 10

Search tuning........................................... 11

Manual tuning .......................................... 12

MW (AM) tuning step size .................... 13

Presetting stations ................................ 14

Recalling a preset station ..................... 15

Deleting a preset station ...................... 15

ATS (Automatic Tuning System) ......... 16

Operating your radio using RDS .......... 17

Display modes ......................................... 18

FM mono/stereo button ............................ 19

Setting the sleep timer ............................. 19

Display back light ...................................... 20

Lock button ................................................ 20

AC adaptor ................................................. 21

Headphones ............................................... 22

Troubleshooting/reset button .................. 23

Specifications ............................................ 24

Guarantee .................................................. 25

Contents

If you need any further advice, please call our Technical Helpline on :­020 8758 0338 (Mon-Fri)

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.

z Humane wake system - buzzer alarm gradually

increases in volume.

z Adjustable sleep timer allows you to fall asleep

to music.

z Snooze function - turns off alarm for five

minutes.

Features

1

1. Standby button.

2. Liquid crystal display.

3. Time set button.

4. ATS button.

5. FM Stereo/Mono button.

6. Lock button.

7. Power/Sleep button.

8. Display button.

9. Waveband button.

10. Tuning/Minute + button.

11. Tuning/Minute - button.

12. Preset/Hour + button.

13. Preset/Hour - button.

14. Memo button.

Controls

2

1

2

3

4

5

6

7

9

10

11

12

13

14

8

If you need any further advice, please call our Technical Helpline on :­020 8758 0338 (Mon-Fri)

15. Clock auto adjust switch.

16. Headphone socket.

17. DC input socket.

18. Telescopic aerial.

19. Light button.

20. Tone control switch.

21. Volume control.

22. Folding stand (on rear)

3

15

16

17

20

21

18 19

22

A BCD E F

G

H

I

K

L

J

A. Alarm indicators

B. RDS indicator.

C. Sleep time indicator.

D. Snooze indicator.

E. Time.

F. Key lock indicator.

G. Low battery indicator.

H. Frequency units.

I. Memory number.

J. Memory indicator.

K. Frequency and text indicators.

L. Stereo indicator.

Display

4

If you need any further advice, please call our Technical Helpline on :­020 8758 0338 (Mon-Fri)

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.

Installing batteries

5

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 appears in
display replace batteries immediately.

Battery replacement

The clock time can be set automatically when
receiving an RDS station that transmits clock time
(CT). The CT information is transmitted once every
minute. If the station has sufficient signal strength the
clock will set within one or two minutes.

1. Switch on the radio with the Power button.

2. Select the FM waveband by repeat pressing of
the Waveband button.

3. Fully extend the Telescopic aerial.

Setting the clock automatically

6

If you need any further advice, please call our Technical Helpline on :­020 8758 0338 (Mon-Fri)

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. The time segments --:-- will flash in the liquid crystal
display indicating that the radio is waiting for the
RDS time signal. When the time is set the display
will show the time. If the clock does not set within
three to four minutes, the radio station may not be
transmitting clock time (CT) information - try another
radio station.

8. When your radio is switched off the
symbol will remain lit indicating that the time has

been set via the RDS signal.

7

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. Set the correct minute using the Minute + and -
buttons.

5. Press and release the Time set button to complete
time setting.

6. The display will show the correct time.

Setting the clock time manually

8

If you need any further advice, please call our Technical Helpline on :­020 8758 0338 (Mon-Fri)

Setting the buzzer alarm

Note: Clock uses 24 hour system.

1. Repeatedly press and release the Standby
button until the display shows ‘Buzzer’.

2. Whilst the display symbol

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. Pressing any other button (except Standby or

) whilst the alarm is sounding will activate
the snooze function. The alarm will be silenced
for 5 minutes.

6. To permanently cancel the alarm repeatedly
press and release the Standby button until the

symbol is removed from the

display.

9

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. The alarm
may be turned off for 24 hours by pressing
the Power button.

5. Pressing any other button (except Standby or

) whilst the alarm is sounding will activate
the snooze function. The alarm will be silenced
for 5 minutes.

6. To permanently cancel the alarm repeatedly
press and release the Standby button until the

symbol is removed from the

display.

Setting the radio alarm

10

If you need any further advice, please call our Technical Helpline on :­020 8758 0338 (Mon-Fri)

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. Your radio will scan the selected waveband,
stopping each time it finds a station of sufficient
strength. Adjust the Volume and Tone controls
to the required settings.

11

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.

Manual tuning

12

If you need any further advice, please call our Technical Helpline on :­020 8758 0338 (Mon-Fri)

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. Press the Display button to confirm the setting.

MW (AM) tuning step size

13

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. Repeat the procedure for the remaining presets.

Note: Presetting of stations can only be carried out
whilst the word SAVE - -> is showing in the display
(5 seconds).

6. If all the preset memory locations are full pushing
the Memo button will cause the display to show
‘FULL. If you still want to store a new station press
the Memo button and continue from step 3.

Presetting stations

14

If you need any further advice, please call our Technical Helpline on :­020 8758 0338 (Mon-Fri)

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.

Recalling a preset station

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. Press the Memo button to confirm you wish
to delete the preset station

15

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. Your radio will scan the selected
waveband and automatically store stations in
memory presets.

ATS (Automatic Tuning System)

16

If you need any further advice, please call our Technical Helpline on :­020 8758 0338 (Mon-Fri)

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.

Note: the indicator will flash if the signal
is too weak for RDS operation.

Operating your radio using RDS (Radio data system)

17

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. The display will show the stations frequency for
approximately 5 seconds before reverting to
showing station name

Display Modes (FM only)

18

If you need any further advice, please call our Technical Helpline on :­020 8758 0338 (Mon-Fri)

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

FM stereo/mono button (FM only)

Your radio can be set to turn off after a preset time
has elapsed.

1. Ensure that your radio is switched off.

2. Press and hold down the Power button until the
desired time is reached (maximum 90 minutes in
15 minute steps). The radio will switch off after the
sleep time has elapsed.

3. To cancel the sleep function before the preset time
has expired, press the Power button.

Setting the sleep timer

19

1. Pressing the Light button will switch on the
display backlight and illuminate the display for
approximately 7 seconds.

Display backlight

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
button, the symbol will be removed
from the display.

Lock button

20

If you need any further advice, please call our Technical Helpline on :­020 8758 0338 (Mon-Fri)

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.

We would recommend for economy that the
R9940 be used via an AC adaptor whenever
possible with battery operation for occasional
or stand-by use only.

21

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.

Headphones

22

If you need any further advice, please call our Technical Helpline on :­020 8758 0338 (Mon-Fri)

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.

If a problem persists our technical staff would be
pleased to offer any assistance on operating the
radio. Our technical helpline number is: 020 8758

0338.

23

Power requirements

DC 6.0V @ 300mA

centre pin negative

Batteries 4 x IEC size LR6 (AAsize)

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.

Sockets

Headphone socket 3.5mm dia stereo.

DC input socket 6.0 volts centre pin negative.

Specifications

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

Frequency Range FM 87.5 - 108.0MHz

MW 522 - 1710kHz
or 520 - 1710KHz

LW 153 - 279kHz

24

If you need any further advice, please call our Technical Helpline on :­020 8758 0338 (Mon-Fri)

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. Damaged or broken telescopic aerials will not be replaced under guarantee.

Procedure: Any claim under this guarantee should be made through the dealer from whom the radio was
purchased. It is likely that your Roberts' dealer will be able to attend to any defect quickly and efficiently but
should it be necessary the dealer will return the instrument to the company’s service department for attention.
In the event that it is not possible to return the instrument to the Roberts' dealer from whom it was purchased,
please contact Roberts Radio service department at the address shown on the rear of this manual before taking
further action.

Guarantee

These statements do not affect the statutory rights of a consumer.

25

Issue 1

ROBERTS RADIO TECHNICAL SERVICES

97-99 Worton Road

Isleworth Middlesex

TW7 6EG

Technical Helpline :- 020 8758 0338 (Mon-Fri during office hours)