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A good user manual
The rules should oblige the seller to give the purchaser an operating instrucion of Roberts Radio CRD-51, along with an item. The lack of an instruction or false information given to customer shall constitute grounds to apply for a complaint because of nonconformity of goods with the contract. In accordance with the law, a customer can receive an instruction in non-paper form; lately graphic and electronic forms of the manuals, as well as instructional videos have been majorly used. A necessary precondition for this is the unmistakable, legible character of an instruction.
What is an instruction?
The term originates from the Latin word „instructio”, which means organizing. Therefore, in an instruction of Roberts Radio CRD-51 one could find a process description. An instruction's purpose is to teach, to ease the start-up and an item's use or performance of certain activities. An instruction is a compilation of information about an item/a service, it is a clue.
Unfortunately, only a few customers devote their time to read an instruction of Roberts Radio CRD-51. A good user manual introduces us to a number of additional functionalities of the purchased item, and also helps us to avoid the formation of most of the defects.
What should a perfect user manual contain?
First and foremost, an user manual of Roberts Radio CRD-51 should contain:
- informations concerning technical data of Roberts Radio CRD-51
- name of the manufacturer and a year of construction of the Roberts Radio CRD-51 item
- rules of operation, control and maintenance of the Roberts Radio CRD-51 item
- safety signs and mark certificates which confirm compatibility with appropriate standards
Why don't we read the manuals?
Usually it results from the lack of time and certainty about functionalities of purchased items. Unfortunately, networking and start-up of Roberts Radio CRD-51 alone are not enough. An instruction contains a number of clues concerning respective functionalities, safety rules, maintenance methods (what means should be used), eventual defects of Roberts Radio CRD-51, and methods of problem resolution. Eventually, when one still can't find the answer to his problems, he will be directed to the Roberts Radio service. Lately animated manuals and instructional videos are quite popular among customers. These kinds of user manuals are effective; they assure that a customer will familiarize himself with the whole material, and won't skip complicated, technical information of Roberts Radio CRD-51.
Why one should read the manuals?
It is mostly in the manuals where we will find the details concerning construction and possibility of the Roberts Radio CRD-51 item, and its use of respective accessory, as well as information concerning all the functions and facilities.
After a successful purchase of an item one should find a moment and get to know with every part of an instruction. Currently the manuals are carefully prearranged and translated, so they could be fully understood by its users. The manuals will serve as an informational aid.
Table of contents for the manual
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Page 1
CRD-51 FM RDS/DAB Digital Clock Radio Please read this manual before use ROBER TS Sound for Generations[...]
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Page 2
Controls ........................................................................... 2-3 Using your clock radio for the rst time ...............................4 Operating your clock radio - DAB ........................................5 Selecting a station - DAB.....................................................6 Display modes - DAB ..........[...]
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Page 3
If you need any further advice, please call our T echnical Helpline on :- 020 8758 0338 (Mon-Fri) 2 Controls (T op) 4 7. Snooze button 8. Preset button 9. Menu / Display button 10. Select button 1 1. T uning Up / Down buttons 1 1 3 5 6 7 8 9 10 1 2 1. V olume Up / Down buttons 2. Dimmer button 3. On / Off button 4. Sleep button 5. Alarm / Clock but[...]
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Page 4
3 Controls (left side) 24. Headphone socket 27[...]
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Page 5
If you need any further advice, please call our T echnical Helpline on :- 020 8758 0338 (Mon-Fri) 4 Using your clock radio for the rst time 1. Placeyourclockradioonaatsurface. 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 extendi[...]
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Page 6
5 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. 2. If your clock radio has been used before, the last used station will be selected. 3. The rststation in the listof stations foundwill be played. The d[...]
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Page 7
If you need any further advice, please call our T echnical Helpline on :- 020 8758 0338 (Mon-Fri) 6 Selecting a station – DAB 1. The display shows the name of the station currently selected. 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 Se[...]
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Page 8
Display modes - DAB Y our radio has seven display modes:- 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 Displays type of station being listened to e.g. Pop, Classic, News, etc. c. Multiplex Name Displays name of m[...]
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Page 9
If you need any further advice, please call our T echnical Helpline on :- 020 8758 0338 (Mon-Fri) 8 Finding new stations - DAB autoscan As time passes new stations may becomeavailable. T ond newstations proceed as follows:- 1. Press and hold down the Menu/Display button until the display shows "MANUAL&quo[...]
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Page 10
9 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 1 1B to 12D. This function can also used to assist the positioning of the antenna or yourclock radioto obtainthe optimumreception fora specic channe[...]
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Page 11
If you need any further advice, please call our T echnical Helpline on :- 020 8758 0338 (Mon-Fri) 10 Dynamic range control (DRC) DRC can make quieter sounds easier to hear when your radio is used in a noisy environment. There are three levels of compression: DRC 0 No compression applied. (default) DRC 1 Maximum compression applied DRC 1/2 Medium co[...]
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Page 12
1 1 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. 2. Press the On/Off button to switch on your radio. 3. Press the FM/DAB button to select the FM band. 4. Press and hold down the Tun[...]
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Page 13
If you need any further advice, please call our T echnical Helpline on :- 020 8758 0338 (Mon-Fri) 12 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. Press the On/Off button to sw[...]
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Page 14
13 Display modes – FM Y our 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:- 1. Press the Display/Menu button to cycle thro[...]
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Page 15
If you need any further advice, please call our T echnical Helpline on :- 020 8758 0338 (Mon-Fri) 14 Presetting stations There are 20 memory presets, 10 for DAB and 10 for FM. 1. Press the On/Off button to switch on the radio. 2. Press the FM/DAB button to select the desired waveband. 3. T une to the required station as previously described. 4. Pre[...]
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Page 16
15 Recalling a preset station 1. Press the On/Off button to switch on the radio. 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 station. 5. Press the Select button . Y our clock radio will tune to the preset station stored in the preset memo[...]
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Page 17
If you need any further advice, please call our T echnical Helpline on :- 020 8758 0338 (Mon-Fri) 16 Setting alarm times Y our 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[...]
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Page 18
17 Setting alarm times - cont. 7. Press the Select button to enter the alarm hour . The display will show 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. 10. Press the Tuning up [...]
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Page 19
If you need any further advice, please call our T echnical Helpline on :- 020 8758 0338 (Mon-Fri) 18 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 butto[...]
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Page 20
T o view alarm time 1. Press the Alarm button to enter the alarm setup. 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. 19 2 2 2,3 1 Cancelling alarms 1. Whilst an alarm is sounding, it can be cancelled by pressing the[...]
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Page 21
If you need any further advice, please call our T echnical Helpline on :- 020 8758 0338 (Mon-Fri) 20 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 mi[...]
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Page 22
Sleep function Y our 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. T o 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 - 9[...]
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Page 23
If you need any further advice, please call our T echnical Helpline on :- 020 8758 0338 (Mon-Fri) 22 Setting the clock Normally your clock radio will set its clock automatically via the DAB signal. 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 overrid[...]
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Page 24
23 Setting the clock cont. 10. Press the Select button to enter the set month option. 1 1. Press the Tuning up or down buttons to select the correct month. 12. Press the Select button to conrmtime settings and return to normal radio mode. T o return to Auto clock set mode 1. Press and hold down the Menu/Display button[...]
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Page 25
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. 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 o[...]
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Page 26
25 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: Excessive sound pressure from the earphones or headphones can cause hearing loss.[...]
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Page 27
If you need any further advice, please call our T echnical Helpline on :- 020 8758 0338 (Mon-Fri) 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. Press and hold down the Menu/Display button for 2 seconds, 2. Press the Tuning up or down buttons un[...]
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Page 28
1 Software V ersion This is provided as a reference when servicing is required. 1. Press the On/Off button to turn on the radio. 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 . 2 2 1 27[...]
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Page 29
If you need any further advice, please call our T echnical Helpline on :- 020 8758 0338 (Mon-Fri) 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 s[...]
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Page 30
The wire coloured BLUE must be connected to the terminal marked N or coloured BLACK. The wire coloured BROWN must be connected to the terminal marked L or coloured RED. Mains supply 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 tted is not suitable [...]
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Page 31
If you need any further advice, please call our T echnical Helpline on :- 020 8758 0338 (Mon-Fri) 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[...]
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Page 32
ROBERTS RADIO TECHNICAL SER VICES 97-99 Worton Road Isleworth Middlesex TW7 6EG T echnical Helpline :- 020 8758 0338 (Mon-Fri during ofce hours) Website: http://www .robertsradio.co.uk Issue 1[...]