Roberts Radio Clock Radio CR950 User Guide

CR950  
3 Band Radio Controlled  
Digital Clock Radio  
Please read this manual before use  
 
Controls (Underside)  
21  
21. Display dimmer switch  
22. Backup battery cover  
22  
 
3
General  
Fuse  
Donotallowthisunittobeexposedtowaterorsteam.Donotleavetheunit  
where excessive heat could cause damage. It is recommended that the  
FMbandbeusedwhereverpossibleasbetterresultsintermsofqualityand  
freedom from interference will usually be obtained than on the MW or LW  
bands.  
This apparatus must be protected by a 3A fuse (BS1362) in a 13A plug  
(BS1363). If another type of plug is used a 5A fuse should be fitted in the  
plug, adaptor or distribution board.  
IF IN DOUBT - CONSULT A QUALIFIED ELECTRICIAN.  
Backup Battery  
Mains supply  
Slidethebatterycover(22)inthedirectionofthearrow.Fita9voltIECsize  
6LR61 (6F22, PP3) or equivalent battery into the compartment. Replace  
the battery cover. The time and alarm settings will be retained during a  
temporary failure of the AC mains supply. The LED display will not be  
operational but the Radio and Buzzer alarms will continue to function.  
TheCR950willoperatefromasupplyofAC230-240volts,50Hz  
only.  
For your convenience this product is supplied with a plug which is fitted  
with a fuse of the appropriate rating. If the plug supplied is not suitable for  
your socket outlet, it should be removed by unscrewing the plug top, the  
terminal screws, and removing the cable.  
Automatic Time Setting  
The correct style of plug to suit your household together with a correctly  
rated fuse should be fitted.  
Connect the CR950 to the mains supply, the built in microprocessor will  
automatically activate the receiver of the Radio Controlled clock and  
initiate a search for the time signal.  
IF IN DOUBT - CONSULT A QUALIFIED ELECTRICIAN  
IMPORTANT. DO NOTmakeanyconnectiontothelargerterminalwhich  
is marked with the letter E or by the safety earth symbol  
GreenorGreen-and-yellow.  
When the CR950 is receiving the radio time signal, the seconds digits will  
appearinthedisplayandthecolonwillflashonceeverysecondintimewith  
theradiotimesignal. Whenthetimesettingprocesshasbeencompleted,  
the exact time and day of the week will appear in the display.  
or coloured  
The wires in the mains lead are coloured in accordance with the following  
codes :-  
The CR950 receives the sycronisation signal from one of the most  
accurate clocks in the world. The signal is transmitted from the official UK  
standard frequency and time signal transmitter MSF located at Rugby in  
theU.K.Note:During??theMSFtransmitterclosesdownformaintainence  
duringthistimeitwillbenecesarrytosettheclockmanualy(seethesection  
headedSettingtheTimeandDateManually).TheCR950willautomaticaly  
synchronisewiththeMSFtimesignalwhenthetransmitterisswitchedon.  
BLUE - NEUTRAL  
BROWN - LIVE  
Asthesecoloursmaynotcorrespondwiththecolouredmarkingsidentify-  
ing the terminals in your plug, proceed as follows:  
The wire coloured BLUE must be connected to the terminal marked N or  
colouredBLACK.  
ThewirecolouredBROWNmustbeconnectedtotheterminalmarkedLor  
colouredRED.  
Automatic Synchronization  
Once the time has been set by the radio time signal, the CR950 will  
continuerunningonitsinternalprecision4.19MHzquartztimebase, with  
synchronisation to the radio time signal taking place once every hour  
starting at the 54th minute.  
If you need any further advice, please  
call our Technical Helpline on  
0181 758 0338 (Mon-Fri)  
The precision of the CR950 is not significantly affected even if synchroni-  
sation is successful only a few times per day.  
 
4
forward (18) or reverse button (20) until the correct year appears.  
How to Optimise the Time Signal Reception  
After setting the time, the CR950 will continue to run on its own internal  
quartz time base and will automatically synchronise itself with the radio  
timesignalcommencingonthe54thminuteofeveryhour. Oncesynchro-  
nisation is achieved the time and date of the radio time signal will be  
restoredanddisplayed.  
Thetimesettingorsynchronisationtakes2to3minutestocompleteifthe  
reception of the radio time signal is undisturbed. This process will take  
longer if the time signal level is very weak (e.g. in locations that are a long  
distance from the MSF transmitter) or if it is subject to interference from  
thunderstorms, nearby TV sets, computers or household appliances that  
arenotsuppressed,etc.).IngeneraltheCR950willreceivethetimesignal  
at any place where a radio is able to receive Long Wave broadcast  
programmeswell.  
Note: Pressing the forward or reverse buttons once will cause the display  
to increment by one. Press and hold down the forward or reverse buttons  
to rapidly increment the display.  
The CR950 receives the time signal via its built-in ferrite aerial which is  
directional.  
Automatic Summer/Winter Time Switching  
Whenfirstconnectedtothemainssupplythesignalindicator(3)showsthe  
MSFsignallevel.RotatetheCR950orchangeitspositionuntilthehighest  
signal level is obtained.  
The CR950 display will automatically switch from summer to winter time  
and vice versa by following the radio time signal. The automatic summer  
time indicator (9) will light up during summer time.  
It is recommended that the CR950 is placed as far away as possible from  
any sources of interference such as computers or televisions.  
Note:  
Radio Operation  
The Signal indicator (3) becomes the weekday indicator after initial time  
setting has taken place.  
Press the On/Off button (15) to turn on the radio. The LED dial pointer  
located in the tuning scale (10) will light. Select the required waveband  
using the waveband selector (5). Adjust the volume control (7) until a  
hissingsoundisheard.Rotatethetuningcontrol(6)untilthedesiredstation  
is received. Adjust the volume control (7) to the required sound level.  
Displaying the Date  
Press the date button (1) once, the display will show the date and month  
for approximately 3 seconds after which it will return to show the time.  
To switch off the radio, press the On/Off button (15).  
Press the date button (1) twice, the display will show the year for approxi-  
mately 3 seconds after which it will return to show the time.  
Setting the Time and Date Manually  
Aerials  
Tosetthetime, pressandholddownthetimebutton(19)andadjustusing  
the forward (18) or reverse button (20) until the correct time appears. The  
clock will start running when the forward or reverse button has been  
released.  
The wire aerial located on the rear of the CR950 is for FM reception. The  
wire should be fully extended and positioned for optimum reception  
There is a built in ferrite aerial for MW and LW stations. Rotate the CR950  
to the position giving best reception.  
To set the date, press and hold down the date button (1) and adjust using  
the forward (18) or reverse button (20) until the correct date appears.  
To set the year, press the date button (1) once to display the date, within  
3 seconds press and hold down the date button and adjust using the  
 
5
Setting the Alarm Time  
Snooze Control  
Tosetthealarmtime,pressandholddowntheAlarm1(17)orAlarm2(16)  
buttons and adjust using the forward (18) or reverse (20) buttons until the  
requiredtimeappears.  
The radio or buzzer alarm can be silenced for 5 minutes by pressing the  
Snooze button (1). This sequence can be repeated within the 60 minute  
alarmperiod.  
Waking Up to Radio  
Sleep Timer  
Set the alarm time as previously described. Switch on the radio and tune  
intotherequiredstation.Makesurethatthestationwillbebroadcastingat  
the time you wish to wake up. Set the volume control to the level of sound  
youwishtowakeupto. SettheAlarm1(4)orAlarm2(8)functionselector  
to the Radio position. The corresponding Alarm 1 or Alarm 2 indicator will  
light.  
The radio can be set to turn off after a preset time has elapsed.  
Repeatedly press the sleep button (14) until the desired time is reached  
(maximum90minutesin10minutesteps).Theradiowillswitchoffafterthe  
sleep time has elapsed.  
The radio can be turned off at any time by pressing the On/Off button.  
Dimmer Switch  
The radio will turn on every day at the preset time for 60 minutes. To turn  
off the alarm until the next day press the On/Off button (15).  
The brightness of the clock display can be adjusted using the dimmer  
control (21) located on the underside of the CR950.  
Waking Up to Buzzer  
Battery Backup  
Set the alarm time as previously described. Set the Alarm 1 (4) or Alarm  
2(8)functionselectortotheBuzzposition.ThecorrespondingAlarm1(11)  
or Alarm 2 (12) indicator will light.  
The time and alarm settings will be retained during a temporary failure of  
theACmainssupply.TheLEDdisplaywillnotbeoperationalbuttheRadio  
and buzzer alarms will continue to operate at their preset times.  
TheBuzzerwillsoundeverydayatthepresettimefor60minutes. Toturn  
off the alarm until the next day press the On/Off button (15).  
Note:  
Ifthealarmisnotrequired,settheAlarm1orAlarm2functionswitchtothe  
Off position. The alarm indicator will disappear.  
The Radio and Buzzer alarms will continue to operate during a mains  
powerfailure.  
Automatic Weekend Alarm Cancellation  
The alarm can be automatically cancelled at weekends (Week-end-  
Cancellation). To enable the Week-end-Cancellation function, press the  
W.E.C button (13). The W.E.C. indicator (2) will light. Press the W.E.C.  
button again to turn off the indicator and disable this function.  
If you need any further advice, please  
call our Technical Helpline on  
0181 758 0338 (Mon-Fri)  
 
6
Specifications  
PowerRequirements  
Mains  
Circuit Features  
Loudspeaker  
75mm diameter 8 ohms  
400mWRMS  
AC 230-240 volts , 50Hz  
only  
Backup Battery  
IEC size 6LR61 (6F22, PP3)  
Output Power  
Aerial System  
FrequencyCoverage  
FM  
MW  
LW  
WireAerial  
FM  
MW  
LW  
87.5-108MHz  
525 - 1610kHz  
147 - 284kHz  
Built-inFerriteaerial  
Built-inFerriteaerial  
Imported by:-  
ROBERTS RADIO LIMITED  
PO BOX 130  
MEXBOROUGH  
SOUTH YORKSHIRE  
S64 8YT  
The Company reserves the right to amend the specification without notice.  
 
7
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.Consequentialdamage.  
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  
beabletoattendtoanydefectquicklyandefficiently,butshoulditbenecessarythedealerwillreturntheinstrumenttothecompany’sservicedepartment  
forattention.IntheeventthatitisnotpossibletoreturntheinstrumenttotheRobertsdealerfromwhomitwaspurchased, pleasecontactRobertsRadio  
Technical Services department at the address shown below before taking further action.  
These statements do not affect the statutory rights of a consumer.  
ROBERTS RADIO TECHNICAL SERVICES DEPARTMENT  
97-99 Worton Road  
Isleworth Middlesex  
TW7 6EG  
Technical Helpline:-0181 758 0338  
Issue 1  
 

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