DEGEN de28 Operation Manual Download Page 18

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TROUBLESHOOTING

SPECIFICATIONS

TROUBLESHOOTING

1. Can not turn on the radio.

Possibly the battery drained, please charge
the battery.

Can not be connected to a computer.

Please do the connection in radio off mode.
The USB cable maybe damaged, please try
another one.

3. Speaker does not sound.

Check if the volume level is too low, turn it up.

compatibility

Can not play audio from the Micro SD(TF)

card.

Check if the card has poor

, try

another card.
The file is damaged or with incorrect format,
delete the file and try again.

Can not charge the unit.

Check if the external adapter or the USB cable
was connected correctly.
Check if the adapter or USB cable is damaged.

How to reset the unit?

Misuse may lead to errors in the firmware,
remove the battery for a few minutes and
reload.

SPECIFICATIONS

v.012915

Earphone o

utput

Communication standard

≤

10mW*2

USB2.0(hight speed)

Access rate

MP3

：

16-320Kbps

WMA

：

8-384Kbps

Unit size

Approx.110 x 68 x 25mm

Weight

Approx. 146 g (battery incl.)

Speaker

D40mm

Earphone

D3.5mm

Lithium battery

3.7V

External adapter

Max. current consumption

About 300mA

Max. output (Speaker)

About 500mW

Lithium battery consumption
(Volume is 22 level)

Radio: A

bout

Power source

Memory

Supports micro-SD/TF card 64M-32G

Frequency range

Music f

ormat

MP3

5V 500mA

MP3: A

bout

Charging time

3-5 hours

MW 520/522-1710KHz

SW 3.00 -22.00MHz

FM 87.0-108MHz

64.0-108MHz
76.0-90.0MHz

Summary of Contents for de28

Page 1: ...FM STEREO MW SW DSP RECEIVER RECORDER MP3 PLAYER SHENZHEN DEGEN ELECTRONICS CO LTD Address Building 26 NO 4 District Cuigang Industrial Zone Fuyong Town Baoan District Shenzhen China Website www degen com cn Tel 86 755 26918409 26912618 26918406 Postal code 518103 Fax 86 755 26918325 ...

Page 2: ... reference only In case the product fuctions after upgra dation or modification appear to be not completely in accordance with this manual please refer to actual product Without the written permission from Degen it is not allowed to copy transfer issue or save any content of this manual For information about the updated soft ware of this product please visit Degen s website www degen com cn To the...

Page 3: ...E 27 BATTERY SAFETY INFORMATION 28 TROUBLESHOOTING TIPS 29 SPECIFICATIONS 30 CONTENTS LOCATION OF CONTROLS 1 BATTERY POWER SUPPLY INSTALLING REPLACING THE BATTERY 4 BATTERY CONSUMPTION INDICATOR 4 CHARGING THE BATTERY ADAPTER CHARGING 4 CHARGING BY PC 5 KEYLOCK FUNCTION 6 POWER ON OFF 6 MAIN MENU 6 RADIO MODE CHOOSE BAND 7 FM FREQUENCY RANGE 8 STEREO MONO SELECTION 8 9K 10K MW TUNING STEPS 9 VOLUM...

Page 4: ...s to enter music selection In radio mode SW button press in SW listening to change M bands In music mode Press to select repeat mode In radio mode Frequency In music mode Next song Fast forward Menu button Press to enter menu sub menu or confirm In time set mode Press to move cursor Speaker Escape button Press to exit sub menu or go back to Main Menu In radio mode M In Main Menu Press to display t...

Page 5: ...s product A lithium battery is attached with this product Do not use any un qualified battery that may cause problems or dangers such as inflammation or explosion INSTALLING THE BATTERY LITHIUM BATTERY POWER SUPPLY 1 Turn off the unit and open the battery cover 2 Install the provided lithium battery according to the battery polarity 3 Close the battery cover CHARGING THE LITHIUM BATTERY External A...

Page 6: ...hown on the display moves from right to left 3 The battery symbol stops moving when the battery is full charged NOTE When charged by PC a USB symbol shown on the display When Micro SD TF card is inserted press twice and select Music Mode to play the music MAIN MENU LOCK Long press Song Selection all the keys except this key will be locked with the symbol shown on the display UNLOCK After keys lock...

Page 7: ...tening to SW press to change m bands SW SELECT FM FREQUENCY RANGE When listening to FM press MENU to enter the below sub menu Save Store the station into memory manually Delete Delete single memory Delete all Delete all stored memories Auto Search Auto tuning storage Ordinary band 87 108MHz Campus radio 64 108MHz Japanese FM 76 90MHz Exit When listening to FM press to select stereo mono listening ...

Page 8: ...stening to MW stations rotate the radio to find the position which gives the best reception as the built in ferrite bar is located inside the unit and it is strongly affected by the direction of placing the unit Using telescopic antenna It only works when listening to FM and SW When listening to FM or SW change the length of the telescopic antenna according to the signal intensity to get better re...

Page 9: ...n the unit and select Radio in Main Menu 2 Adjust the volume to an appropriate level and choose your desired band 3 Press MENU to open the sub menu and select Auto search press MENU again to start auto tuning and store all the available stations into memory Memory Locations FM M001 M440 MW M001 M132 SW M001 M928 Memory recall 1 Turn on the unit and select Radio in Main Menu 2 Press M ERC or M ESC ...

Page 10: ...ng some keys will be disabled MIC RECORDING While not listening to the radio you can activate the MIC recording function by long pressing M REC While recording please get the audio source close to the top of the unit where the built in mic is located Before recording please make sure a micro SD TF card is inserted correctly the recorded file will be saved in the card in MP3 format Do not pull out ...

Page 11: ...c is playing press FM to pause the pause symbol will show on the display Press again to resume playing and the play symbol appears FM 1 Press or to select music files press and hold them to fast rewind or fast forward 2 When pause press MENU to open the sub menu and select File browser press MENU to enter the folder and find the particular file by pressing or A B REPEAT When the music is playing p...

Page 12: ... folder When pause press MENU to enter the following settings File browser Select music file Delete file Delete a single music file Delete all Delete all music files DELETE MUSIC FILES To operate the above settings press MENU to enter or confirm press or for selection TEXT BROWSER Insert the elect your desired file Then press MENU to start reading press or to turn pages When reading press MENU to ...

Page 13: ...ENU to enter Press or to adjust the auto turn off timer from 00 90 select 00 to turn off the sleep timer Press MENU to confirm and exit The radio will turn off automatically when reaches the preset timer System Settings After setting the sleep timer will show on the display when the time is displayed BACKLIGHT TIMER Select Backlight in System Settings press MENU to enter Press or to adjust the bac...

Page 14: ... the below settings Alarm Off Repeatedly pressing MENU to turn on or off the alarm Alarm Off indicates the alarm is off Alarm ON indicates the alarm is activated Alarm Cycle You can select from Ring Once Ring Daily or Ring multi day Ring Once Press or to adjust the Year Month and day press MENU to move the cursor and press to save and exit Ring Daily The alarm is effective everyday Ring multi day ...

Page 15: ...rd that selected Exit Exit The radio supports firmware upgrade if there is an updated firmware or the radio system breaks down you can update the radio system with the below steps Unload the battery before upgrade 1 Download the upgraded firmware and update tool from our website to a computer 2 Use the provided USB cable to connect the radio and computer 3 Open the downloaded update tool the below...

Page 16: ...line in cable Plug one end of the line in cable to the earphone jack of the media device and the other end into AUX jack on the side of the radio will show on the display then play the audio in the media device The radio can also be used as a speaker of computer Use a USB cable to connect the radio and a computer all the audio from the computer will be played via the speaker of the radio To turn o...

Page 17: ... to wash the unit Use a clean and dry soft cloth to clean the screen CARE AND MAINTENANCE 1 Use the battery under normal conditions temperature 0 35 C relative humidity 65 20 Under normal circumstances the battery can be charged and discharged about 300 times 2 Do not expose the battery to heat or high pressure do not drop the battery and prevent children from playing with the battery 3 Do not sho...

Page 18: ...s connected correctly Check if the adapter or USB cable is damaged How to reset the unit Misuse may lead to errors in the firmware remove the battery for a few minutes and reload SPECIFICATIONS v 012915 Earphone output Communication standard 10mW 2 USB2 0 hightspeed Access rate MP3 16 320Kbps WMA 8 384Kbps Unit size Approx 110 x 68 x 25mm Weight Approx 146 g battery incl Speaker D40mm Earphone D3 ...

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