Roberts Radio Clock Radio CRD 51 User Guide

CRD-51  
FM RDS/DAB Digital Clock Radio  
Please read this manual before use  
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Controls (Top)  
1. Volume Up / Down buttons  
2. Dimmer button  
3. On / Off button  
4. Sleep button  
5. Alarm / Clock button  
6. FM / DAB button  
1
11  
7. Snooze button  
8. Preset button  
9. Menu / Display button  
10. Select button  
11. Tuning Up / Down buttons  
2
3
4
5
6
7
8
9
10  
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2
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Controls (left side)  
27  
24. Headphone socket  
3
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Using your clock radio for the first time  
1. Place your clock radio on a flat surface.  
2. Fully extend the wire aerial located on the rear of your clock radio.  
Place the wire antenna so that it is as straight as possible extending  
either above or below the radio.  
3. Plug the mains lead into a wall socket and switch on the wall socket.  
the display will show “ROBERTS” and after few seconds a station  
scan search will be performed automatically. The display will show  
progress of the station search e.g. “>>>> 18”. The number on the  
right of the display is the number of stations that have been found.  
The display will then show “SETCLOCK”, after a short time the current  
time will appear on the display.  
4. Ifnostationsarefound,NOCLOCKwillbedisplayed.Itmaynecessary  
to relocate your clock radio to a position giving better reception. You  
should then carry out an autoscan to find stations as described on  
page 8.  
IMPORTANT: The mains plug is used as the means of connecting the  
radio tothemains supply.Themains socketused fortheradio mustremain  
accessible during normal use. In order to disconnect the radio from the  
mains completely, the mains plug should be removed from the mains  
socket outlet completely.  
CharactersappearingontheLCDdisplayindicatethattheradioisconnected  
to and powered from the mains supply.  
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4
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Operating your clock radio - DAB  
1. Press the On/off button to switch on your clock radio. The display  
will show "TUNING" for a few seconds.  
1
2. If your clock radio has been used before, the last used station will be  
selected.  
3. The first station in the list of stations found will be played. The display  
will show the station name on the display.  
4. If no signals are found "OFF AIR" will be displayed and it may be  
necessary to relocate your clock radio to a position giving better  
reception. You should then carry out an autoscan to find stations as  
described on page ??.  
5
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Selecting a station – DAB  
1. The display shows the name of the station currently selected.  
2
2
2. Press the Tuning up or down buttons to step through the list of  
available stations.  
3. When the desired station name appears on the display, press the  
Select button to select the station. The display will show “TUNING”  
while your radio finds the new station.  
4. Press the Volume Up or Down buttons to the set the required volume  
level.  
Note: If after selecting a station the display shows “OFF AIR”, it may be  
necessary to relocate your radio to a position giving better reception.  
3
4
4
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6
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Display modes - DAB  
a
b
c
d
Your radio has seven display modes:-  
3
1. Press the Display 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  
c. Multiplex Name  
Displays type of station being listened to  
e.g. Pop, Classic, News, etc.  
Displays name of multiplex to which  
current station belongs.  
d. Time  
e. Date  
Displays current time.  
Displays current date  
e
f
f. Frequency and Channel Displays frequency and channel number.  
g. Bit rate  
Displays the digital bit rate.  
h. Signal error  
Displays the bit error rate the for station  
being listened to.  
g
h
7
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Finding new stations - DAB autoscan  
As time passes new stations may become available. To nd new stations  
proceed as follows:-  
1,4  
1. PressandholddowntheMenu/Displaybuttonuntilthedisplayshows  
"MANUAL".  
2. Press the Tuning Up or Down buttons until the display shows “LOC  
2,5  
2,5  
SCAN”.  
3. Press and release Select button. 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.  
4. To carry out a full scan of the entire DAB Band III frequencies, press  
and hold down the Menu/Display button until the display shows  
"MANUAL  
3,6  
5. Press the Tuning Up or Down buttons until the display shows  
“FULLSCAN”  
6. Press and release Select button. Your radio will perform a full scan of  
the 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.  
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8
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Manual tuning - DAB  
Manual tuning allows you to tune and add the various DAB Band III  
channels to your station list. UK DAB stations are located in the range  
11B to 12D. This function can also used to assist the positioning of the  
antenna or your clock radio to obtain the optimum reception for a specific  
channel / frequency.  
1
1. Press and hold the Menu/Display button for 2 seconds, the display  
will show “MANUAL”.  
2,4  
2. Press and release the Select button.  
3. Press the Tuning Up or Down buttons to select the required DAB  
channel.  
3
3
4. Press and release the Select button to return to normal service.  
9
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Dynamic range control (DRC)  
DRC can make quieter sounds easier to hear when your radio is used in  
a noisy environment.  
2,6  
There are three levels of compression:  
DRC 0  
DRC 1  
DRC 1/2  
No compression applied. (default)  
Maximum compression applied  
Medium compression applied.  
2
1. Press the On/Off button to switch on your clock radio.  
2. Press the FM/DAB button to select the DAB band  
3
3. PressandholddowntheMenu/Displaybuttonuntilthedisplayshows  
"MANUAL  
4. Press the Tuning up or down buttons until “DRC VAL” appears on  
the display. then press Select button. The display will show the current  
DRC value.  
4,5  
4,5  
5. Press the Tuning up or down buttons to select the required DRC  
setting. Default is 0.  
6. PressandreleasetheSelectbuttontoconfirmthesetting.Thedisplay  
will return to radio mode.  
6
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10  
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Operating your radio – FM autotune  
1. Fully extend the wire aerial located on the rear of your clock radio.  
Place the wire antenna so that it is as straight as possible extending  
either above or below the radio.  
1,9  
2. Press the On/Off button to switch on your radio.  
3. Press the FM/DAB button to select the FM band.  
3
4. Press and hold down the Tuning Up or Down buttons until the  
frequency in the display begins to change. Your radio will scan the  
FM waveband, stopping each time it finds a station of sufficient  
strength.  
5. After a few seconds, the display will update and show station name  
if RDS informationis available.  
4,6  
4,6  
6. To nd other stations, Press the Tuning Up or Down buttons as  
before.  
7. Whentheendofthewavebandisreached,yourradiowillrecommence  
tuning from the opposite end of the waveband.  
8. Press the Volume Up or Down buttons to the set the required volume  
level.  
8
8
9. To switch off your clock radio press On/Off button.  
11  
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Operating your radio – FM manual tune  
1. Fully extend the wire aerial located on the rear of your clock radio.  
Place the wire antenna so that it is as straight as possible extending  
either above or below the radio.  
2,6  
2. Press the On/Off button to switch on your radio.  
3. Press the FM/DAB button to select the FM band.  
3
4. Press the Tuning Up or Down buttons to tune to a station. The  
frequency will change in steps of 50 kHz.  
5. Press the Volume Up or Down buttons to the set the required volume  
level.  
4
4
6. To switch off your clock radio press On/Off button.  
5
5
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12  
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Display modes – FM  
Your radio has four display modes for FM listening:-  
The Radio Data System (RDS) is a system in which inaudible digital  
information is transmitted in addition to the normal FM radio programme.  
RDS offers several useful features. The following are available on your  
clock radio:-  
a
1. Press the Display/Menu button to cycle through the various  
modes.  
3
a. Frequency  
Displays the frequency of the station  
being listened to.  
b
c
b. Scrolling text  
Displays scrolling text messages such  
as artist/track name, phone in number,  
etc.  
c. Programme Type  
Displays type of station being listened to  
e.g. Pop, Classic, News, etc.  
d
e
d. Time  
e. Date  
Displays current time.  
Displays current date  
13  
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Presetting stations  
There are 20 memory presets, 10 for DAB and 10 for FM.  
1
1. Press the On/Off button to switch on the radio.  
2. Press the FM/DAB button to select the desired waveband.  
3. Tune to the required station as previously described.  
2
4. Press and release the Preset button . The display will show “Empty  
1” if there are no preset stations stored.  
5. Use the Tuning up or down buttons to select the desired preset  
station number under which you wish to store the station  
4,6  
6. Press and hold down the Preset button until the display shows e.g.  
“P1 saved”. The station will be stored under the chosen preset button.  
Repeat this function for the remaining presets.  
5
5
7. Stations stored in preset memories may be overwritten by following  
the above procedure.  
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14  
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Recalling a preset station  
1. Press the On/Off button to switch on the radio.  
1
2. Press the FM/DAB button to select the desired waveband.  
3. Press the Preset button.  
4. Press the Tuning Up or down buttons to select the desired preset  
2
station.  
5. PresstheSelectbutton.Yourclockradiowilltunetothepresetstation  
stored in the preset memory.  
3
4
4
5
15  
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Setting alarm times  
Your clock radio has two alarms which can be set to wake you to either  
radio or beep type alarm. Each alarm can be set to sound once, daily,  
weekdays and weekends. The alarms only can be set when your clock  
radio is switched on.  
1
Note : If no buttons are pressed for 5 seconds, your clock radio will exit  
the alarm setup.  
1. Press the On/Off button to switch on your clock radio.  
2. Press the Alarm button once. The display will show “SET ALM”.  
3. Press Select button to enter the alarm setup. “Alarm 1” flashes.  
2
4. Press the Tuning up or down buttons to select the desired alarm  
number 1-2.  
3,5,6  
5. Press Select button to enter to alarm type mode.  
6. Press Tuning up or down buttons to select WAKE >DAB, WAKE  
>FM or WAKE >BUZ.  
7. Press Select button to enter to activate mode, press Tuning up or  
down buttons to select ON or OFF.  
4,6  
4,6  
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16  
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Setting alarm times - cont.  
7. Press the Select button to enter the alarm hour. The display will show  
7
the current time in 24 hour format. The hour digit will be selected.  
8. Press the Tuning up or down buttons to set the correct hour.  
9. Press Select button to enter the alarm minutes. The minute digit will  
be selected.  
4
4
10. Press the Tuning up or Down buttons to set the correct minute.  
11. Press Select button to enter the alarm day option. Your clock radio  
can be set to sound once, daily, weekdays and weekends.  
Once  
- Will sound at one time only.  
- Will sound every day.  
Daily  
Weekdays  
Weekends  
- Will sound only on weekdays.  
- Will sound only on weekends.  
12. Press the Tuning up or down buttons to select either once, daily,  
weekdays or weekends.  
13. If selecting alarm to once, you will need to set the year, month and  
day options as described below:  
14. Press the Select button to enter the alarm year option  
17  
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Setting alarm times - cont.  
15. Press the Tuning up or down buttons to select the correct year  
16. Press the Select button to enter the alarm month option  
17. Press the Tuning up or down buttons to select the correct month  
18. Press the Select button to enter the alarm day option  
19. Press the Tuning up or down buttons to select the correct day.  
16,18,20  
15,17,19  
20. PresstheSelectbuttonto confirm alarm settings and return to normal  
radio mode.  
4
21. Radio alarms are indicated in the display by the  
corresponding alarm number. Buzzer alarms are indicated in the  
display by the symbol and the corresponding alarm number.  
symbol and the  
Note: The alarms will not sound if the alarms have not been activated and  
set to the ON position. When your clock radio is set to wake you by the  
radio alarm, your clock radio will switch on to the last used station.  
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18  
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To view alarm time  
1. Press the Alarm button to enter the alarm setup.  
1
2. Press the Select button, then press the Tuning up or down buttons  
to view alarms 1 or 2.  
3. Press the Select button to cycle through the various settings for the  
chosen alarm.  
2,3  
2
2
Cancelling alarms  
1. Whilst an alarm is sounding, it can be cancelled by pressing the On/Off  
button.  
19  
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Snooze function  
When the radio or buzzer alarm sounds, pressing the Snooze button  
will silenced the alarm for the selected number of minutes. The Snooze  
setting can be adjusted between 5 and 20 minutes in 5 minute increments.  
Default setting is 5 minutes.  
The radio or buzzer alarms can be silenced for a set time by pressing  
the Snooze button.  
To set the snooze time  
1. To set the snooze to the desired snooze time, press the Alarm button  
to enter the menu setup.  
2
2. Press the Tuning up or down buttons until “Snooze” appears on  
the display. Press and release the Select button. “Snooze 05” will  
be displayed.  
3. Press the Tuning up or down buttons to select the desired snooze  
setting 20>15>10>5 minutes.  
4
4
4. Press the Select button to select desired time. The radio will exit the  
menu options and return to radio play mode.  
3,5,6  
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Sleep function  
Your clock radio can be set to turn off after a preset time has elapsed.  
The sleep setting can be adjusted between 5 and 90 minutes in 5 minute  
increments.  
1
1. To set the desired sleep time, press the Sleep button to enter the  
sleep setup.  
2. Press the Tuning up or down buttons to adjust the sleep countdown  
time - ranging from 5 - 90 and Off.  
2
2
3. Press Select button to confirm the setting.  
4. Your clock radio will switch off after the preset sleep time has  
elapsed.  
5. To cancel the sleep function before the sleep time has elapsed press  
the On/Off button  
3
5
21  
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Setting the clock  
NormallyyourclockradiowillsetitsclockautomaticallyviatheDABsignal.  
If no DAB signal is available and you need to set the time manually, please  
follow the procedure shown below.  
Note: The DAB signal will always override any manual time setting.  
1. PressandholddowntheMenu/Displaybuttonuntilthedisplayshows  
"MANUAL  
2. Press the Tuning up or down buttons until “CLOCK” appears on the  
display.  
2. Press Select button to enter the clock set menu.  
3. Press the Tuning up or down buttons until the display shows  
"MANU CLK"  
4. Press the Select button to enter the set hour option  
5. Press the Tuning up or down buttons to select the correct hour.  
6. Press the Select button to enter the set minute option  
7. Press the Tuning up or down buttons to select the correct minute.  
8. Press the Select button to enter the set year option.  
9. Press the Tuning up or down buttons to select the correct year  
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Setting the clock cont.  
10. Press the Select button to enter the set month option.  
11. Press the Tuning up or down buttons to select the correct month.  
?
12. Press the Select button to confirm time settings and return to normal  
radio mode.  
?
?
To return to Auto clock set mode  
1. PressandholddowntheMenu/Displaybuttonuntilthedisplayshows  
"MANUAL  
2. Press the Tuning up or down buttons until “CLOCK” appears on the  
display.  
3. Press Select button to enter the clock set menu.  
???  
4. Press the Tuning up or down buttons until the display shows  
"AUTO CLK"  
5. Press the Select button to confirm time settings and return to normal  
radio mode.  
Note: If you select “AUTO CLK” the current time received will be displayed.  
If no DAB signal is found, “NO DABCK” will be displayed  
23  
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Clock display  
1. When your clock radio is in standby mode displaying current time the  
date can be displayed by pressing the Menu/Display button. After  
10 seconds the display will return to showing current time  
?
Dimmer  
1. In order to adapt the intensity of the display to suit the ambient room  
lighting, press Dimmer button on the top of your clock radio to select  
the dimmer brightness from High-Mid-Low and Off.  
1
Display Backlight  
1. In order to view the display when the display backlight is set to off, you  
can press any button (apart from the On/Off button or Dimmer button)  
to switch on the backlight. The display will light up for 10 seconds  
before returning to off.  
24  
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Headphone socket  
A 3.5mm Headphone socket located on the left side of your clock radio is  
provided for use with either headphones or an earpiece. Inserting a plug  
automatically mutes the internal loudspeaker.  
Important:Excessivesoundpressurefromtheearphonesorheadphones  
can cause hearing loss.  
25  
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Factory 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/Display button for 2 seconds,  
2. Press the Tuning up or down buttons until “FACTORY” appears on  
the display, press the Select button, the display shows “RESET” and  
then press Select button again.  
2
2
3. Afull reset will be performed, the station list and presets will be erased.  
The display will show “RESETING” followed by “ROBERTS” after few  
seconds a station scan search will be performed automatically. The  
display will show progress of the station search e.g. “>>>> 18”. The  
number on the right of the display is the number of stations that have  
been found.  
3
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Software Version  
This is provided as a reference when servicing is required.  
1. Press the On/Off button to turn on the radio.  
1
2. Press and hold the Menu/Display button.  
3. Press the Tuning up or down button. until the software version of  
the unit appears on the display.  
1
2
2
27  
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General  
Do not allow your clock 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.  
The name plate is located on the bottom of the unit.  
Circuit features  
Specifications  
Loudspeaker  
66mm diameter  
500 mW  
Power Requirements  
AC adaptor  
AC 230 volts, 50Hz  
only  
Output Power  
Frequency Coverage  
Headphone socket  
3.5mm dia  
DAB  
FM  
174.928 - 239.200MHz  
87.50 - 108 MHz  
Aerial System  
DAB and FM  
Wire antenna  
The Company reserves the right to amend the specification without notice  
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28  
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Mains supply  
The wire coloured BLUE must be connected to the terminal marked N or  
coloured BLACK.  
The CRD51 will operate from a supply of AC 230 volts, 50Hz  
only.  
DO NOT cut off the mains plug from this equipment. If the plug fitted is  
not suitable for the power points in your home or the cable is too short to  
reachapowerpoint, thenobtainanappropriatesafetyapprovedextension  
lead or adaptor. If in doubt consult your dealer.  
The wire coloured BROWN must be connected to the terminal marked L  
or coloured RED.  
If nonetheless the mains plug is cut off, remove the fuse and dispose of  
the plug immediately to avoid a possible shock hazard by inadvertent  
connection to the mains supply.  
If this product is not supplied with a mains plug, or one has to be fitted,  
then follow the instructions given below:  
IMPORTANT. DO NOT make any connection to the larger terminal which  
is marked with the letter E or by the safety earth symbol  
Green or Green-and-yellow.  
or coloured  
The wires in the mains lead are coloured in accordance with the following  
codes :-  
BLUE - NEUTRAL  
BROWN - LIVE  
Fuse  
When replacing the fuse only a 3AASTAapproved to BS1362 type should  
be used and be sure to re-fit the fuse cover.  
IF IN DOUBT - CONSULT A QUALIFIED ELECTRICIAN.  
Replacement fuse holders are available from Roberts Radio Technical  
Services at the address shown on the rear of this manual.  
29  
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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.  
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.  
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ROBERTS RADIO TECHNICAL SERVICES  
97-99 Worton Road  
Isleworth Middlesex  
TW7 6EG  
Technical Helpline :- 020 8758 0338 (Mon-Fri during office hours)  
Website:.http://www.robertsradio.co.uk  
Issue.1  
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