Roberts Radio Radio RD 76 User Guide

RD-76  
FM RDS/DAB digital radio  
Please read this manual before use  
 
Controls  
(Top)  
2
3
4
5
6
7
8
9
1
10  
11  
7. Info button  
1. Volume control  
2. On/off button  
3. On/Off indicator  
4. FM/DAB button  
5. Auto Tune button  
6. Menu button  
8. Favourite button  
9. Telescopic aerial  
10. Tuning/Select control  
11. LCD display  
If you need any further advice, please call our Technical Helpline on :-  
 
2
020 8758 0338 (Mon-Fri)  
Controls  
(Back)  
10  
11  
12  
13  
10. Headphone socket  
11. Line output socket  
12. Battery compartment  
13. DC jack socket  
 
3
Battery operation  
1. Remove the battery cover on the base of the unit by sliding the cover  
in the direction of the arrow.  
2. Insert six LR14 (C size) batteries into the spaces in the compartment.  
Takecaretoensureallbatteriesareinsertedwiththecorrectpolarityas  
shown inside the battery compartment. Replace the battery cover.  
1
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-76 is used via the  
AC adaptor whenever possible with battery operation for occasional  
or stand-by use only.  
Using the AC adaptor  
The AC adaptor for use with the RD76 should provide 6 volts DC  
output at 800mA centre pin negative.  
1. Insert the adaptor plug into the DC in socket on the rear of your ra-  
dio.  
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.  
If you need any further advice, please call our Technical Helpline on :-  
 
4
020 8758 0338 (Mon-Fri)  
Operating your radio - DAB  
2
1. Carefully extend the telescopic aerial.  
2. Press the On/Off button to switch on your radio. The display will show  
"Roberts digital radio" for a few seconds and the On/Off indicator will  
light.  
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 "Now tuning". If the  
radio has been used before the last used station will be selected.  
4. During Autotune, the display will show "Scanning" and as each group  
of stations is detected the station count will be updated. The bottom  
line of the display shows a bargraph indicating progress of the Auto-  
tune.  
5. When the Autotune is completed the first station (in numeric-alpha  
order 0...9...A....Z) will be selected.  
6. If the station list is still empty after the Autotune your radio will display  
"Station not available".  
7. If no signals are found it may be necessary to relocate your radio to  
a position giving better reception.  
5
 
Selecting a station - DAB  
1. The top line of the display shows the name of the station currently  
selected.  
2. Rotate the Tuning/Select control to scroll through the list of avail-  
able stations. Stop rotating the Tuning/Select control when you find  
the station that you wish to hear.  
2,3  
3. Press and release the Tuning/Select control to select the station.  
The display may show "Now 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 "Station not avail-  
able" it may be necessary to relocate your radio to a position giving  
better reception.  
4
Secondary services - DAB  
1. Certainradiostationshaveoneormoresecondaryservicesassociated  
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 rotate the tuning control clockwise.  
2. Press the Tuning/Select control to select the station.  
If you need any further advice, please call our Technical Helpline on :-  
 
6
020 8758 0338 (Mon-Fri)  
Display modes - DAB  
a
Your radio has seven display modes:-  
1. Press the Info button to cycle through the various modes.  
1
a. Scrolling text  
Displays scrolling text messages such  
as artist/track name, phone in number,  
etc.  
b
c
b. Programme type  
Displays type of station being listened to  
e.g. Pop, Classic, News, etc.  
c. Multiplex name  
Displays name of multiplex to which  
current station belongs.  
d
e
f
d. Time and date  
Displays current time and date.  
e. Channel and frequency  
f. Audio type and bit rate  
g. Signal strength  
Displays current channel and frequency.  
Displays audio type and bit rate.  
Displays signal strength for station being  
listened to.  
g
 
7
Finding new stations - DAB  
As time passes new stations may become available. To nd new stations  
proceed as follows:-  
1
1. Press and release the Auto Tune button, the display will show  
"Scanning". Your radio will perform a scan of the UK DAB frequencies.  
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.  
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 "Scanning". 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.  
2
Signal strength display - DAB  
1. Repeatedly press the Info button until the display will show signal  
1,3  
strength.  
2. Position your radio and carefully angle the telescopic aerial for best  
reception using the signal strength display as a guide. Move your  
radio around and position so as to give maximum number of black  
rectangles on signal strength display. The clear unfilled rectangle  
indicates minimum signal level required for satisfactory reception.  
3. Press the Info button to exit the signal strength display.  
If you need any further advice, please call our Technical Helpline on :-  
8
 
020 8758 0338 (Mon-Fri)  
Manual Tuning - DAB  
Manual tuning allows you to tune directly to the various DAB Band III  
channels. UK DAB stations located in the range 11B to 12D.  
1
1. Press and release the Menu button until the display shows "Manual  
tune".  
2. Press and release the Tuning/Select control.  
3. Rotate the Tuning/Select control to find the required DAB  
2,3  
channel.  
4. Press and release the Tuning/Select control to select the required  
DAB channel.  
5. Use the signal level display to assist you in positioning your radio for  
best reception. Move the radio/aerial around until the filled blocks  
move past the empty block. When you are receiving a good signal  
the display will show the multiplex name and add stations within the  
multiplex to the station list.  
4
6
6. Press and release the Tuning/Select control to return to normal  
tuning mode.  
9
 
Dynamic Range Control (DRC) settings - DAB  
DRC can make quieter sounds easier to hear when your radio is used in  
a noisy environment.  
1
1. Press the On/Off button to switch on your radio.  
2. Press and release the Menu button the display will show “Manual  
tune.”  
2
3. Rotate the Tuning/Select control until the display shows "DRC  
value".  
4. Press and release the Tuning/Select control to enter adjustment  
mode.  
3,4  
5. Rotate the Tuning/Select control to select required DRC setting  
(default is 0) .  
DRC 0 DRC is switched off, Broadcast DRC will be ignored.  
DRC 1/2 DRC level is set to 1/2 that sent by broadcaster.  
DRC 1 DRC is set as sent by broadcaster.  
6. Press and release the Tuning/Select control to confirm the setting.  
The display will return to radio mode.  
5,6  
If you need any further advice, please call our Technical Helpline on :-  
10  
 
020 8758 0338 (Mon-Fri)  
Operating your radio - FM  
1. Carefully extend the telescopic aerial.  
2
3
2. Press the On/Off button to switch on your radio. The display will show  
"Roberts digital radio" for a few seconds.  
3. Press the FM/DAB button to select the FM band.  
4. Rotate the Tuning/Select control clockwise then press and immedi-  
atelyreleasetheAutoTunebutton, yourradiowillscaninanupwards  
direction (low frequency to high frequency) and stop automatically  
when it finds a station of sufficient strength.  
5. After a few seconds the display will update and show station name.  
4,6  
4,7  
7
6. To nd other stations press and release the Auto Tune button as  
before.  
7. To scan the FM band in a downwards direction (high frequency to  
low frequency) rotate the Tuning/Select control anti-clockwise then  
press and release the Auto Tune button.  
8. Whenthewavebandendisreachedyourradiowillrecommencetuning  
from the opposite waveband end.  
9. Adjust the Volume control to the required setting.  
9
10  
10. To switch off your radio press the On/Off button.  
11  
 
Manual tuning - FM  
1. Press the On/Off button to switch on your radio.  
1
2
2. Press the FM/DAB button to select the FM band. Fully extend the  
Telescopic aerial.  
3. Rotate the Tuning/Select control to tune to a station. The frequency  
will change in steps of 50kHz.  
4. When the waveband end is reached the radio will recommence tuning  
from the opposite waveband end.  
5. Set the Volume control to the required setting.  
3
5
6. To switch off your radio press the On/Off button.  
6
If you need any further advice, please call our Technical Helpline on :-  
12  
 
020 8758 0338 (Mon-Fri)  
Display modes - FM  
On FM the bottom line of the display can be set to any of the following  
modes:-  
1. Press the Info button to cycle through the various modes.  
a
b
1
a. Scrolling text  
Displays scrolling text messages such  
as artist/track name, phone in number  
etc.  
b. Program Type  
c. Time and date  
Displays type of station being listened to  
e.g. Pop, Classic, News, etc.  
c
Displays current time and date.  
d
d. Frequency &  
audio mode  
Displays frequency of the station being  
listened to and displays the audio mode,  
Auto (stereo) or mono  
FM Stereo/Mono  
1. Ifastationbeingreceivedisweaksomehissmaybeaudible.Toreduce  
the hiss press and hold in the Tuning/Select control until the display  
shows "Mono". Your radio will switch to mono mode.  
2. To return to stereo mode press and hold in the Tuning/Select  
control until the display shows "Auto". Your radio will switch to  
stereo mode.  
1,2  
Note: FM stereo is only available when listening via earphone/head-  
phones  
13  
 
Software version  
The software display cannot be altered and is just for your reference.  
1
1. Ensure the DAB waveband is selected. To view the software version  
on the display press and release the Menu button the display will  
show “Manual tune.”  
2. Rotate the Tuning/Select control until the software version appears  
on the display.  
2
Favourite button  
Your radio is fitted with a button which when pressed will automatically  
select the required waveband and tune to your Favourite station. This  
will allow you to store a total of one station from either the FM or DAB  
waveband.  
2
1. To setup your favourite station, tune into the required station.  
2. Press and hold down the Favourite button (10 sec) until the display  
shows "Favourite stored".  
Recalling your favourite station  
1. Press the On/Off button to switch on the radio.  
2
2. Momentarily press the Favourite button, your radio will tune to the  
station stored in favourite memory.  
If you need any further advice, please call our Technical Helpline on :-  
14  
 
020 8758 0338 (Mon-Fri)  
System reset  
If your radio fails to operate correctly, or some digits on the display are  
missing or incomplete carry out the following procedure.  
1
1. Press and hold down the Menu button for 2 seconds "Press SELECT  
to confirm reset..." will be displayed.  
2. PresstheTuning/Selectbutton, thedisplaywillshow"Robertsdigital  
radio" and a progress bar.  
2
3. A full reset will be performed. All presets and station lists will be  
erased.  
4. After a system reset a scan of the DAB band will be performed.  
In case of malfunction due to electrostatic discharge, reset the product  
(reconnection of power source may be required) to resume normal  
operation.  
If a problem persists our technical staff would be pleased to of-  
fer any assistance on operating the radio. Our technical helpline  
number is 020 8758 0338.  
15  
 
Headphone socket  
A3.5mm Headphone Socket located on the rear of your radio is provided  
for use with either headphones or an earpiece. Inserting a plug automati-  
cally mutes the internal loudspeaker.  
Line out socket  
A 3.5mm Line out socket located on the rear of your radio is provided  
for connecting the audio signal to an external amplifier. Inserting a line out  
audio cable will not mute the internal loudspeaker. Set the volume control  
to minimum if desired.  
Display backlight  
1. When using on batteries, the display backlight will be switched on for  
approximately 12 seconds when any button is pressed.  
2. When your radio is powered by AC mains the display backlight will  
always be switched on.  
If you need any further advice, please call our Technical Helpline on :-  
16  
 
020 8758 0338 (Mon-Fri)  
General  
Do not allow this radio 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. It is recommended that the DAB band  
beusedwhereverpossibleasbetterresultsintermsofqualityandfreedom  
from interference will usually be obtained than on the FM band.  
The name plate is located on the underside of your radio.  
Specifications  
Power Requirements  
Circuit Features  
Mains  
Batteries  
AC 230 volts, 50Hz  
6 x LR14 (C size)  
only (adaptor)  
Loudspeaker  
Output Power  
76mm  
1.0 Watt  
Battery Life  
Approx. 50 hours of listening for 4 hours a day  
at normal volume using alkaline cells.  
Headphone socket 3.5mm dia  
Line out socket  
3.5mm dia  
Aerial System  
FM  
Telescopic aerial  
Telescopic aerial  
Frequency Coverage  
FM  
DAB  
87.5-108MHz  
174.928 - 239.200MHz  
DAB  
The Company reserves the right to amend the specification without notice  
17  
 
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. 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 instrument 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 Technical Services at the address shown on the rear of this manual.  
These statements do not affect the statutory rights of a consumer.  
If you need any further advice, please call our Technical Helpline on :-  
 
18  
020 8758 0338 (Mon-Fri)  
ROBERTS RADIO TECHNICAL SERVICES  
97-99 Worton Road  
Isleworth Middlesex  
TW7 6EG  
Technical Helpline :- 020 8758 0338 (Mon-Fri during office hours)  
Issue 1  
 

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