Trevi DR 7F40 BT - Radio

DR 7F40 BT - Radio Trevi - Free user manual and instructions

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Product typePortable radio
BrandTrevi
ModelDR 7F40 BT
Dimensions128 x 82 x 33 mm
Weight208 g
Power supplyUSB-C 5V / 1A
BatteryRechargeable lithium 3.7 V 1200 mAh
Audio power1 W
Impedance4 Ω
FM band87.5 - 108 MHz
BluetoothYes, 2.4 GHz frequency
Playback mediaUSB, microSD, FM Radio, Bluetooth
FunctionsAlarm, timer, flashlight, mute, repeat
DisplayYes
AntennaRetractable rod
Headphone jackYes
MaintenanceSlightly damp soft cloth, avoid solvents
SafetyAvoid heat, humidity, dust, magnetic fields, vibrations
RepairabilityAuthorized Trevi service center
General informationKeep the manual for future reference

Frequently Asked Questions - DR 7F40 BT Trevi

How to charge the battery for the first time?
During first use, charge the device for 3 hours via the USB-C port with a 5V 1A adapter.
How to automatically search for FM stations?
In radio mode, press and hold the ��� (play/pause) button to start automatic search. Found stations are saved automatically.
How to pair my smartphone via Bluetooth?
Select the Wireless source with the M button, then on your smartphone search for the device named DR 7F40 BT. If prompted, enter the PIN code 0000.
How to set the alarm?
In clock mode, briefly press the alarm button to enter settings. Use the ◀ and ▶ buttons to set the hour and minutes, then confirm with the alarm button.
How to set the sleep timer?
Press the timer off button multiple times to choose a duration from 10 to 60 minutes. The screen displays the selected duration. Press 7 times to cancel (display shows 'OFF').
How to use the flashlight?
Briefly press the flashlight button (18) to turn on the LED. Press again to turn off.
What to do if the device does not turn on?
Check that the OFF/ON switch is in the ON position and that the battery is sufficiently charged. If necessary, charge the device for at least 3 hours.
How to clean the device?
Use a slightly damp soft cloth. Never use solvents or abrasive products.
Can I use a microSD card and a USB flash drive at the same time?
Yes, the device reads both media simultaneously. Playback occurs in the order of insertion: first the TF card, then the USB drive.
How to set the time manually?
Briefly press the clock button (3) to enter clock mode, then press and hold the same button to enter settings. Use ◀ and ▶ to set the hours and minutes, confirm with the clock button.

User questions about DR 7F40 BT Trevi

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How to memorize FM stations on the Trevi DR 7F40 BT radio?
Frequently Asked Questions - 19/04/2026
Response Notice-Facile

The Trevi DR 7F40 BT radio automatically memorizes FM stations through a smart channel search. Here’s how to proceed:

First use - Automatic search and memorization:

  • Fully extend the retractable antenna by pulling it upwards
  • Press the button (7) or briefly press the FM button to switch to radio mode
  • Press and hold the button (8) for several seconds to start the automatic station search
  • The system automatically searches for all available FM stations (87.5-108 MHz) and saves them in memory
  • During the search, briefly press the button (8) if you want to stop before it finishes

After automatic memorization:

  • The radio automatically plays the first program found after the search
  • Use buttons (9) and (10) to navigate between the memorized previous/next stations
  • You can also quickly press the numeric keys 0-9 on the keypad to directly access a memorized station by its number (for example, press "1" then "0" for station 10)
  • Make sure the entered number does not exceed the total number of stations found, otherwise the selection will be invalid

Tips: For better reception of FM stations, keep the retractable antenna fully extended and adjust the direction of the device if the signal is not optimal.

Respond (be the first)

Download the instructions for your Radio in PDF format for free! Find your manual DR 7F40 BT - Trevi and take your electronic device back in hand. On this page are published all the documents necessary for the use of your device. DR 7F40 BT by Trevi.

USER MANUAL DR 7F40 BT Trevi

eng Digital Radio FM/Wireless/Mp3 Rechargeable

fra Radio Numérique FM/Wireless/Mp3 Rechargeable

esp Radio Digital FM/Wireless/Mp3 Recargable

Do not use power supplies with a voltage higher than 5V, it will damage the player.

This is a precision electronic appliance; avoid using it in the following cases:

  • Near magnetic fields.
  • Near heat sources such as heaters and stoves.
  • In very humid places such as bathrooms, swimming pools, etc...
    • In very dusty places.
    • In places subject to strong vibrations.
  • Do not bring your ear close to the speaker during the setting up and volume adjustment phases, and in particular to keep the volume to a minimum in the ignition phase.
  • Position the appliance so that there is always enough space on its sides for the free circulation of air (at least 5 cm).
  • If liquids penetrate inside the appliance, immediately disconnect the plug from the socket and take the appliance to the nearest authorized TREVI service center.
  • Always check before recharging the appliance, that the power and connection cables are installed correctly.
  • No naked flame sources, such as lighted candles, should be placed on the appliance.
  • The appliance must not be exposed to dripping or splashing water and no objects filled with liquid, such as vases, must be placed on the appliance.
  • Before turning on the appliance, always check that the power cable and the connection cable are installed correctly.
  • The power adapter must be connected to an outlet near the device and must be easily accessible.
  • If you notice excessive heat on the device or on the power adapter, immediately disconnect the plug from the main power socket.
  • Do not pull on the power cable
  • Keep this manual for future reference.

Trevi DR 7F40 BT - 1

To avoid possible hearing damage, limit your listening time to high volumes.

CARE AND MAINTENANCE

Use a slightly damp soft cloth for cleaning. Do not use solvents and abrasive substances.

IMPORTANT

This device is designed for home use (not professional use). This appliance has been carefully built to ensure long-lasting perfect performance. However, should any inconvenience occur, please contact your local authorised TREVI Service Centre.

Trevi DR 7F40 BT - IMPORTANT - 1

TREVI follows a policy of ongoing research and development. Therefore products may have different features from those described.

WARNING FOR THE CORRECT USE OF THE RECHARGEABLE BATTERY

  • Recharge the battery at a temperature between 5°C and 35°C.
  • Do not prolong recharging beyond the times indicated to avoid the risk of overheating and bursting.
  • Do not recharge the battery for more than 4 hours.
  • Recharging the battery beyond the times indicated or a prolonged period of inactivity may reduce its life.
  • The rechargeable battery is subject to wear and its capacity gradually decreases.
  • To extend the life of the battery, use it when it is fully charged until it is completely discharged, then fully recharge it again before using it again. Charging a battery that is not completely depleted will shorten its life. In this case, repeat the full upload/download cycle several times.
  • Avoid keeping the battery under charge all night.

COMMANDS
Trevi DR 7F40 BT - WARNING FOR THE CORRECT USE OF THE RECHARGEABLE BATTERY - 1

text_image Tavni Bluetooth 16 17 18 19

Trevi DR 7F40 BT - WARNING FOR THE CORRECT USE OF THE RECHARGEABLE BATTERY - 2

text_image 13 12 11 10 9 8 1 2 3 4 5 6 7 8 9 0 FM U S C M ►

Trevi DR 7F40 BT - WARNING FOR THE CORRECT USE OF THE RECHARGEABLE BATTERY - 3

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Trevi DR 7F40 BT - WARNING FOR THE CORRECT USE OF THE RECHARGEABLE BATTERY - 4

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  1. Speaker
  2. button, Mute

  3. button, Allarm

  4. button, timer shutdown

  5. button, repeat
  6. button, FM radio
  7. Mutton, function
  8. ▶ button, Play/Pause
  9. Button, Previous track
  10. ▶ button, Next track
  11. 0-9 numeric keyboard
  12. ▶ button, On/Off night light
  13. Display

  14. Antenna

  15. USB socket
  16. Volume
  17. <button, On/Off Flashlight
  18. ON/OFF switch
  19. Night light Led
  20. Earphone socket
  21. TF card
  22. 5V -1A type-C charging socket

  23. Rechargeable battery compartment

  24. Flashlight Led + charge status indicator

CHARGING THE BATTERY

At the first use of the device, charge it for 3 hours.

  1. Connect the USB/type-C cable to the USB type-C power socket (23) of the device, connect the other end to the USB port of a 5V 1A power supply (not supplied) with USB socket;
  2. During the charging phase, the LED indicator (24) will be steady red to indicate the charging status;
  3. When charging is complete, the LED indicator (24) will turn green.

ON/OFF

Move the "OFF/ON" switch (19) left/right to turn Off/On the unit.

VOLUME ADJUSTMENT

You can adjust the volume of the device using the volume control.

  1. Rotate upwards (17) to decrease the volume.

  2. Rotate downwards (17) to increase the volume.

SOURCE SELECTION

Press the Mutton (7) several times to select the Wireless/USB (if inserted)/MicroSD (if inserted)/Radio/Clock function.

FM RADIO MODE

Extend the rod antenna, press the M button (7) to switch to the radio mode (or directly short press the FM button to quickly switch to the radio mode).

Before the user uses it for the first time, please press and hold the button (8) to perform an automatic station search, and the system will automatically save the found FM stations; during the station search, you can short press button (8) to stop the automatic station search. After automatically searching all local FM radio programs, it will automatically play the first stored radio program, Short press the (3) and (10) button to choose your favorite radio program, after automatic channel search, you can short press 0-9 to input the number

of the target track to listen to the radio program.

For example, to select channel 10, you can quickly press the "1" and "0" keys; and so on.

When the selected target channel plays the program.

Note:

  • If the channel number you choose exceeds the total number of stored programs found by radio, your choice will be invalid.
  • When listening to “FM radio”, please pull out the retractable antenna to get better reception results.
  • When the receiving station signal is not good, please adjust the direction of the device to get better reception results.

TF CARD/USB MODE

When the TF/USB disk is inserted, the system will automatically play the songs in the TF card/U disk. Insert the TF card and U disk at the same time to play in the order of inserting first and reading first.

When the last music of the TF card is played, it will directly skip to the music in the U disk, and vice versa.

In this mode, short press the (8) button to play.

Press (C) and (10) button to select previous or next track.

Press (5) button to Switch between “ONE” (single cycle), “ALL” (all cycle) music playback mode.

TF card or USB disk to play the 10th song, you can quickly press the “1” and “0” keys; and so on. When the selection is complete, the screen will display the target track you selected, and it will directly jump to the target track you selected to play.

Note: If the target track you choose will directly jump to the target track you choose, if it exceeds the total number of tracks, then the target track you choose will be invalid; TF card/U disk only supports MP3 format music playback.

FAST FORWARD AND REWIND

When using a USB or TF card to play music, long press (9) button to rewind, long press ▶▶(10) button to fast forward.

MUTE

Short press the (2) “MUTE” button in normal playback state, the device enters the mute mode, the speaker has no sound, short press the “MUTE” button again to exit the mute mode.

WIRELESS CONNECTION

  1. Press the key (M7) several times and select the Wireless function;
  2. Follow the instructions of your device to search for the device;
  3. Search for the device named "DR 7F40 BT", perform the pairing and enter the PIN "0000" if required;
  4. Once paired, the device will emit a confirmation sound;
  5. Start playing the music track from your device to start listening; press keys (9) and

▶▶(10) to select the previous/next track;

  1. Press the key ▶(8) to suspend song playback, press it again to resume playback.

TIME SETTING

  1. Short press the (3) key or press the (7) key to switch to the clock mode in the power-on state,
  2. Then long press the (3) key to enter the hour setting, press the (9) key or (10) key to select the hour time, and then short press the (3) key Enter the minute setting;
  3. Press the (3) key or (10) key to select the minute time, and then short press the (3) key to end the time setting.

ALLARM CLOCK SETTING

  1. In the power-on state, in the clock mode, short press the (3) key to enter the alarm clock hour setting;
  2. Press the (3) key or (10) to select the alarm clock hour setting, then short press the (3) key to enter the alarm clock minute setting;
  3. Press the (3) key or (10) button to select the alarm clock minute setting;
  4. Then short press (3) key to enter the alarm ring "1", or alarm radio "2";
  5. After setting, short press the (9) key or (10) button to choose to turn off and turn on the alarm, and then short press the (3) button to end the alarm clock setting.

SET TIMER SHUTDOWN

In any state after starting up, press the (4) key to set the power off after 10 minutes; press the (4) key again to enter the setting and then power off after 20 minutes, press the (4) key again to set the power off after 30 minutes, and so on, up to 60 minutes can be set. Press the (4) key 7 times, and the display will display "OFF" to cancel the timer shutdown function.

FLASHLIGHT

Short press the (18) button after power on, the flashlight LED light is on, and short press (18) again to turn off the flashlight LED light.

Trevi DR 7F40 BT - FLASHLIGHT - 1

TECHNICAL FEATURES

Power supply: 3,7V, 1200mAh rechargeable lithium battery via USB type-C 5V-1A socket

Audio Power:....1W

Impedance: 4Ω

FM band: 87,5-108MHz

Wireless transmission power:......2,5mW

Wireless transmission frequency:.....2,4GHz

Dimensions: 128x82x33mm

Weight: 208 gr.

Information on the removal and disposal of batteries

Attention: the removal and disposal operation is reserved exclusively to specialized technical personnel!

  1. Remove the plastic door (15) located on the back of the cabinet;
  2. Remove the battery from its compartment.

Regardless of the type of used battery, it must not be disposed of with household waste, fire or water. Each type of used battery must be recycled or disposed of at the appropriate dedicated collection centres.

Trevi DR 7F40 BT - Information on the removal and disposal of batteries - 1

Precautions for correct disposal of the product.

The symbol shown on the equipment indicates that waste must be disposed of in “separate collection” and so the product must not be disposed of together with urban waste.

The user must take the product to special “separate waste collection centres” provided by local government, or deliver it to the retailer against the purchase of a new product.

Separate collection of waste and subsequent treatment, recycling and disposal operations promotes the production of equipment with recycled materials and limits negative effects on the environment and on health caused by improper handling of waste.

Illegal disposal of the product leads to the enforcement of administrative penalties.

NOTES D'EMPLOI

text_image Warning symbol with a triangle containing a stylized 'e' and sound waves, indicating noise or alert.
natural_image Warning symbol with a triangle containing a stylized 'e' and sound waves (no text or numbers)
natural_image Warning symbol with a triangle containing a stylized ear and sound waves (no text or numbers)

SIMPLIFIED EU DECLARATION OF CONFORMITY

Hereby TREVI Spa declares that the radio equipment type DR 7F40BT is in compliance with directive 2014/53/EU.

The full text of the EU declaration of conformity is available at the following internet address https://www.trevi.it/dms/zidi/TREVI/DOCDR7F40BT.pdf

Trevi S.p.A.

Strada Consolare Rimini-San Marino, 62 47924 Rimini (RN) Italy

Tel. 0541/756420 - Fax 0541/756430 - www.trevi.it - e-mail: info@trevi.it

Trevi DR 7F40 BT - SIMPLIFIED EU DECLARATION OF CONFORMITY - 1

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Product information

Brand : Trevi

Model : DR 7F40 BT

Category : Radio