Roberts Gemini 21 RD-21 User Manual Download | Manualshive

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RD-21

Please read this manual before use

ROBER

TS

Sound for Generations

FM RDS/DAB digital radio

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Summary of Contents for Gemini 21 RD-21

Page 1: ...RD 21 Please read this manual before use ROBERTSSound for Generations FM RDS DAB digital radio ...

Page 2: ...0 Dynamic range control DRC settings DAB 11 Station order setup DAB 12 13 Operating your radio FM 14 Manual tuning FM 15 Display modes FM 16 FM stereo mono 16 Presetting stations DAB and FM 17 Contents Recalling a preset station DAB and FM 18 System reset 19 Headphone socket 20 Line out socket 20 Display backlight 20 Software version 21 General 22 Speciﬁcations 23 Circuit features 23 Mains Supply ...

Page 3: ... Mains LED indicator 4 Treble control 5 Liquid crystal display LCD 6 5 button Top 1 13 Tuning Up button 14 Tuning Down button 15 Tuning control 16 Station presets 17 Bass control 18 Volume control 7 Auto Tune button 8 Headphone socket 9 FM DAB button 10 Line out socket 11 Info Menu button 12 Select button 2 3 4 6 9 11 12 13 18 17 16 5 7 14 15 8 10 ...

Page 4: ...he batteries should not be exposed to excessive heat suchassunshine ﬁreorthelike Afteruse disposablebatteriesshould if possible be taken to a suitable recycling centre On no account should batteries be disposed of by incineration Mains operation 1 Place your radio on a ﬂat surface 2 Plug the mains lead into the Socket located on the rear of your radio ensuring that the plug is pushed fully into th...

Page 5: ...ick scan of the UK band III DAB channels will be carried out 4 During Autotune as each group of stations is detected the bottom line of the display will show a bargraph indicating progress of the Autotune 5 When theAutotune is complete 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 you radio will display No stations availabl...

Page 6: ... the list of available stations 3 Press and release the Select button to select the station The display may show Now Tuning while your radio ﬁnds the new station 4 Adjust the Volume and Tone controls to the required settings Note Ifafterselectingastationthedisplayshows Stationnotavailable it may be necessary to relocate your radio to a position giving better reception 4 3 2 2 2 4 4 ...

Page 7: ...ry 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 2 Totunetothesecondaryservice pressandrelease the Selectbutton Mostsecondaryservicesdonotbroadcastcontinuallyandiftheselected service is not available the radio will retune to the associated pr...

Page 8: ...ing text Displays scrolling text messages such as artist track name phone in number etc b Program Type Displays the type of station being listened to e g Pop Classic News etc c Multiplex Name Displays the name of DAB multiplex to which the current station belongs d Time and date Displays current the time and date a b c d 1 7 ...

Page 9: ...8 0338 Mon Fri 8 f e g e Frequency Displays the frequency of the DAB multiplex for the station listened to f Bit rate audio type Displays the digital bit rate audio type for the station being listened to g Signal Error Displays the signal error for the station being listend to ...

Page 10: ...re 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 1 2 1 Signal strength display DAB 1 Press and release the Select button to switch between the current information display and the signal strength indication 2 Position your radio and carefully angl...

Page 11: ...buttons until the display shows Manual Tune Press and release the Select button 2 Rotate the Tuning control or press the Up or Down buttons to select the required DAB channel 3 Press and release the Select button The open block in the signal strength graph shows you the minimum signal strength needed for good DAB reception The signal blocks will go up and down showing the changing signal strength ...

Page 12: ...utton to enter adjustment mode 3 Rotate the Tuning control or press the Up or Down buttons to select the 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 4 PressandreleasetheSelectbuttontoconﬁrmthesetting Thedisplay will return to normal tuning mode Note Not all...

Page 13: ...s until Station order appears on the display 2 Press and release the Select button 3 Rotate the Tuning control or press the Up or Down buttons to choose between favourite station alphanumeric active station and prune stations 4 Press and release the Select button to select the station order setting required Favourite stations When this setting is switched on after a period of time the most listene...

Page 14: ... for Prune stations Some DAB services may stop broadcasting or you may not be able to receive a station Prune stations will delete the DAB stations from your station list that can no longer be received When this feature is selected your radio will delete the stations that are not currently being received 13 ...

Page 15: ...it ﬁnds a station of sufﬁcient strength 5 If RDS information is being received then after a few seconds the display will update and show the radio station name 6 To ﬁnd other stations press the Auto Tune button as before 7 If you press and release the Down button then press the Auto Tune button yourradiowillsearchinadownwardsdirection highfrequency to low frequency and stop automatically when it ﬁ...

Page 16: ...te the Tuning control or press the Up or Down buttons to tune to a station The frequency will change in steps of 50kHz 4 When the end of the waveband is reached the radio will recommence tuning from the opposite end of the waveband 5 Set the Volume control and Tone controls to the desired settings 6 To switch off your radio press the On Off button 2 1 3 3 5 5 5 6 3 15 ...

Page 17: ...e in number etc b Program Type Displays type of station being listened to e g Pop Classic News etc c Time and date Displays current time and date d Frequency Displays frequency of the station being listened to FM Stereo Mono 1 IftheFMradiostationbeingreceivedisweaksomehissmaybeaudible To reduce the hiss press and release in the Select button until the display shows Mono your radio will switch to m...

Page 18: ...splay showse g Preset1saved The stationwillbestoredunderthechosen preset button Repeat this procedure for the remaining presets 4 Presets 6 to 10 are obtained by pressing and holding 5 button together with the Preset button 1 to 5 e g preset 7 can be set by pressing and holding 5 button together with Preset button 2 until the display shows Preset 7 saved 5 Stations stored in preset memories may be...

Page 19: ...he radio 2 Select the required waveband by pressing the FM DAB button 3 Momentarily press the required Preset button your radio will tune to the station stored in preset memory 4 Presets 6 to 10 are obtained by pressing and holding 5 button and Preset button 1 to 5 e g preset 7 can be recalled by pressing and holding 5 button followed by pressing Preset button 2 2 3 4 4 1 ...

Page 20: ...ress the Up or Down buttons until the display shows Select Factory reset 3 Press and release the Select button until the display shows Press SELECT to conﬁrm reset 4 Press Select button again to conﬁrm system reset 5 A full reset will be performed all presets and station lists will be erased 6 After a system reset a scan of the DAB band will be performed In case of malfunction due to electrostatic...

Page 21: ...earing loss 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 your radio is powered by batteries the display backlight will be switched on for approximately 8 seconds...

Page 22: ...nnot be altered and is just for your reference 1 To view which software version your radio has press and hold in the Info Menu button 2 Rotate the Tuning control or the Up and Down buttons until the software version shows on the display 1 2 2 2 ...

Page 23: ... radio should not be exposed to dripping or splashing and that no objects ﬁlled with liquids such as vases shall be placed on the radio It is recommended to operate the product such that there is a minimum distance 10cm recommended to adjacent objects in order to ensure good ventilation The ventilation of the product should not be restricted by covering it or its ventilation openings with items su...

Page 24: ...Up to 150 hours of listening for 4 hours a day at normal volume using alkaline cells Frequency Coverage FM 87 5 108MHz DAB 174 928 239 200MHz Circuit Features Loudspeaker 2 x 79mm Output Power 3W Headphone socket 3 5mm dia Line out socket 3 5mm dia Aerial System FM Telescopic aerial DAB Telescopic aerial ...

Page 25: ... 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 or colou...

Page 26: ...Notes 25 ...

Page 27: ...sequential 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 wil...

Page 28: ...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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