dgtenk L77 48GB Digital Voice Activated Recorder
INTRODUCTION
Thanks for purchasing Digital Voice Recorder. Customer satisfaction is our top priority. If you have any questions, please feel free to contact us.
- Our customer support email: [email protected]
- Keep this booklet for future reference
The booklet consists of 7 main parts: package information warranty. product sketch, quick operation guide, basic operation guide, menu options, FAQ. In the quick operation guide and basic operation guide, we can lean how to use the equipment functions in a short time. In the menu option, we can find all the functions of the device.
The Package Information
- 1 x L77 Digital Voice Recorder
- 1 x Type C Cable (For data transfer)
- 2 x AAA Batteries
- 1 x Earphone
- 1 x 32GB TF Card
Product Warranty
- Warranty Period
- 1 year warranty
Product Features
- It supports MP3 and WAV recording format
- High-sensitivity omni-directional microphone recording clear audio
- Password Protection
- It is suitable for learning and recording more efficiently with A-B repeat function.
- Support MP3, WMA, APE, FLAC, WAV, OGG and other formats of music files playback
- Built-in speaker and earphone output port.
- Powered by 2pcs AAA battery
Product Sketch
The Operation Guide Explain
| 1 | Power ON/OFF Switch | 12 | Delete/A-B Repeat |
| 2 | Lock Switch | 13 | Menu Button |
| 3 | Built-in Microphone | 14 | Stop/Play/Confirm |
| 4 | External Mic Jack | 15 | Rewind / Previous/Select |
| 5 | Lanyard Hole | 16 | Return |
| 6 | Earphone Jack | 17 | TF Card Slot |
| 7 | TFT Screen | 18 | TYPE-C Interface |
| 8 | REC Button | 19 | Battery Holder |
| 9 | Vol+/Select | 20 | Recording Light |
| 10 | Fast Forward / Next/ Select | ||
| 11 | Vol-/Select |
Recording Interface
| NO. | Information |
|
1 | Recording Source (Built-in / Line In /
External Microphone ) |
| 2 | Recording Time |
| 3 | Recording Bit Rate |
| 4 | Recording |
| 5 | Recording File Name |
| 6 | Recorded Time |
| 7 | Battery Power |
| 8 | Remaining Space Time |
Quick Operation Guide
Basic Operation
- Power on: Push the Power ON/OFF switch to the “ON” position to turn on the device. Or press and hold PLAY button for a few seconds to turn it on (Make sure the power switch is at “ON” position).
- Recording: Press the REC button to start recording.
- Save Recording: Press the REC button again to save the recording file.
- Delete Recording: 1. Choose the recording files you want to delete and press the Delete button, then the screen will display delete option “Delete” or “Delete all; 2. Press PLAY button to enter the deletion process, and then press +/- button to select option “Yes” to confirm deleting or “No” to exit
- Play Recording File: Press PLAY button to play the recording file after recording file saved.
- Play Music: On the main menu interface, press the k button to select the music menu, and then press the
PLAY button to enter music mode, then you can press PLAY button to play all music files on the device. - Next/ Previous: press the
KD button. - Fast Forward/ Rewind: Long press and hold the
4 button. - Recording space: when recording, the screen will show how many hours the device can record.
- Repeat Play: During playback, press the A-B repeat button to repeat play the point A to point B of the audio file.
Important Notice for Using The Device
- Please check the volume level when listening to the testing file on device.
- Back up data as frequently as possible.
- Always press REC button to save the recording file after finish each recording.
- Keep this manual for future reference
- Email us your issue, model number or amazon order ID, so we can reply to you more efficiently.
Don’t
- Do not scratch the recorder body.
- Do not touch the machine during recording to avoid noise.
- Do not delete files or format the device unless the files have been backed up.
- When the device is connected to the computer, do not press any buttons.
- It is best to use the product standard data cable to transfer data, not all USB charging cables can transfer data.
Instructions
- Short press: click the button.
- Long press: Press and hold the button for about 3 seconds.
Basic Operation Guide
Insert Battery
The device is powered by 2pcs AAA batteries. No need to charge, please replace batteries if the battery power out.
Download File To Computer
Use the supplied USB cable to connect the recorder with your computer, then you could see the recorder disk in your computer just like a normal usb disk.

Turn On Voice Recorder
Push the Power ON/OFF switch to “ON” position to turn on the device. Long press and hold PLAY button for a few seconds to turn on or turn off (Make sure the power switch is at “ON” position).
How to Record
Press REC button to start recording. Press REC button again to save the recording.
Note: During recording, the screen will display the remaining time.
How To Playback Recording
Press PLAY button to playback the recording file.

How To Fast Forward/ Rewind
Long press and hold the UP or DOWN
K button.
- Vol+
- Vol-
- Up
- Down
How to Play Music
After power on, short press the 4button to select the “Music” menu, and then press the PLAY button to enter music mode, then you can press PLAY button to play all music files on the device.
Note: Songs are not placed in the RECORD folder, you can create a new folder for them.
How To Delete Recordings
- Choose the recording files you want to delete and press the Delete button, then the screen will display delete option “Delete” or “Delete all”;
- Press PLAY button to enter the deletion process, and then press +/- button to select option “Yes” to confirm deleting or “No” to exit .

How To Transfer Files
Use the supplied USB cable to connect the recorder with your computer, then you could see the recorder disk in your computer just like a normal usb disk. Then you can transfer files between recorder and computer.

External Microphone/ MIC
Picture shows how to use cable: Plug your external microphone or Line-in cable into the MIC Jack, then press REC button, the screen will display the Record Source option “Line-in” or “External Mic”
Menu Options
Press button, to return to the main menu. In the menu options, the PLAY button is the confirm button.
Recording Setting
Recordings Quality
Recordings Library
View all recordings on the devices.
Recording format: WAV/MP3.
Select and enter the “Recording format”, choose format option WAV or MP3 and press the PLAY button to confim setting.
Recording format and bit rate reference list:
| Format | Bit Rate | 16GB/32GB
(Subject to the actual product) |
|
WAV | 512kpbs | 72 hours |
| 768kbps | 45 hours | |
| 1024kbps | 33 hours | |
| 1536kpbs | 24 hours | |
|
MP3 | 32kbps | 1080 hours |
| 64kpbs | 540 hours | |
| 128kbps | 290 hours | |
| 192kbps | 180 hours |
Note: The higher the bit rate, the larger memory space need for recording file.
Voice Activated Recording
VOR ON: After power on, go to “Recorder” menu, find “Track AVR mode” and enter it, then go into the “AVR on/off” to set the voice activated recording “on”. Press PLAY button confirm setting.
When AVR mode is ON, press REC button, screen will display VOX information, it means the device successfully enter voice activated recording mode.
VOR OFF: Go into the “AVR on/off” to set the voice activated recording “off”. Voice Activated Sensitive Level
From Level 1 to Level 7:
At level 1, a very quiet or whisper could activate the recorder. At level 7, it need nearly 70db sound to activate the recorder. You need to adjust the level and test to get the best effective, in case of the level number cannot catch the voice you want or it catch too much whisper or quiet sound
Note: Normally, we don’t recommend you to use voice activated recording in important meetings. It may miss some important words due to low voice.
Record Monitor
ON: Go to “Recorder” menu, find “Monitor setting” and enter it to set monitor recording “ON” or “OFF”. Press PLAY button confirm setting. You could hear the recording through earphone during recording. OFF: Go to “Monitor setting” and set monitor recording “OFF”
Subsection Recording
Recorder will automatically save the recording file at a selected time length and start a new recording. Unless you press the REC button in advance to save.
- 30 Minutes: record each file at 30minutes.
- 60 Minutes: record each file at 1 hour.
- 90 Minutes: record each file at 90minutes.
- 120 Minutes: record each file at 2 hour.
- OFF: Turn off subsection record function.
Record Indicator
On: the red indicator flashes during recording
Off: the indicator light does not flash during recording
Auto Record
Auto recording on/off
- On: Turn on timer recording.
- Off. Turn off timer recording.
Auto Record cycle:
- Once: Only record one time.
- Daily: Automatically start timing recording at the same time every day.
- Work day: Timed recording is automatically turned on during working days.
- Start time: Set the time when it starts auto recording.
- End time: Set the time when it finish auto recording The timing recording time is subject to the product system time. If it needs to be consistent with the local time, please set the system time first.
Note: Do not set a password when set auto timing record.
System Setting
On the main menu interface, press >I to select the “Settings” menu.
Storage
External memory: Select this option when inserting an external expansion card. All recording files will be stored on the extemal expansion memory card. Internal memory: All recording files will be stored into the internal memory by default.
Note: When there is no expansion card or the expansion card is removed, the system will automatically default set to the internal memory.
Language
Default English: This product supports multiple languages. Press +/- button to select the desired language and press the PLAY button to confirm.
Display Settings
Backlight timer: Always on/30 seconds /20 seconds/10 seconds four setting options When set “Always on”, the device screen will not go off and increasing the battery drain. Brightness: Press the t/- button to adjust the screen brightness.
Sleep timer
Sleep timer: Press the t/- button to select the time within 0-09 minutes, and press the PLAY button to confirm. It will automatically shut down when the time reaches to your setting time.
Power off
Auto Power off: It will automatically shut down if long time no operation. You can set 0-30 minutes standby shutdown time according to your needs.
Date and Time Setting
Time Settings: It can set “Time format’ at 12-hours or 24-hours. And it can “Set time” with hours and minutes by press +/- button to adjust the digits. Date settings: It can set date format at “DD MM YYYY/ MM DD YYYY IYYYY MM DD”. And set date with year, month and date by press +/- button to adjust the digits.
Tools-Password Setting
Password switch: Password On/Password Off. Password On: Each time you turn on the recorder or connect to the computer, you need to enter the password to unlock the device. Password Set: Enter a 4-digit password. Press t/- to set the number. Press DI to switch to next number, press the PLAY button to confirm setting.
Note:
- If you forget the password, please enter 18 18 and long press the return key for 3 seconds to cancel the password.
- If the password
Information
Player information: The device displays the firmware version and release date. Disk space: the device displays the used space and total space.
Format Device
The disk will be formatted and all data on the device will be erased, so remember to back up important files before proceeding. In the main menu, press k to select and go to “Settings”, select “Format device” and press PLAY button to enter. The screen will display “All data will be deleted. Continue?”, press +/- to select Yes” and press “PLAY to confirm formatting, or select “No” to exit. During formatting, do not press any button, wait for the device to restart and complete processing
Note:
- Do not turn off the power when formatting the device. If, unfortunately, the design is cut off by mistake, it will show up as a disk error.
- Please do not unplug the data cable directly when formatting on the computer, which will cause disk errors.
- If this happens, press and hold the PLAY button to shut down the device, connect the device to the Windows computer, and format the disk from the computer to the normal state.
Note: If you are using a MAC computer, please contact our Customer support. Reformatting on a MAC computer requires different options.
Factory Setting:
Restore to factory settings. If there is confusion when operating the settings, you can choose to restore the factory settings. Select “Yes” and press PLAY to confirm. The device will begin to restore factory settings. When it is done, it will show recovery Select “Factory settings” and press PLAY button to enter. The screen will display “Restore factory settings?”, press +/- to select “Yes” and press “PLAY to confirm restoring, or select “No” to exit.
Insert External.
Insert the audio line-in cable or external microphone into the external interface, press REC button to start record, and press the +/- button to select the recording source.
External microphone: Please keep a distance of about 30cm from the microphone when recording, so the effect will be better.
Line In: Please adjust the sound of the audio source at medium level before recording. If the sound of the audio source is too loud, the sound may be broken. Adjust according to current usage.
Technical Parameters
| Product Size | 110*38*19MM |
| Product Weight | 38.3g((No include AAA Battery)) |
| Screen Size | 1.1 inch 24.9*14.8 TFT screen |
| USB Socket | TYPE-C high speed data transmission |
| Recording Bit Rate | 1536kpbs,1024kbps,768kbps,512kpb—WAV 192kbps,128kpbs,64kbps,32kpbs–MP3 |
|
Support System | Windows98 and later versions,XP,
Windows7/8/10 ,Mac |
|
Headphone Output | Maximum 10mW+ (30Ohm), Freq20Hz-20K Hz, S/N ratio>90db, distortion factor 0.05% |
| Memory | 8G/16G/32G (subject to device) |
| Battery | 1.5V 2A Alkaline dry battery |
| Music Playback Battery Time | 16 hours (with earplugs, medium volume, under full power off) |
| Maximum Recording Battery Time | Fully charged, 32kpbs recording can work for 21 hours |
| Music Support Format |
MP3/WAV/FLAC/APE/OGG/WMA |
Play Setting
Play Music
In the main menu, press k to select and go to “Music”, then press PLAY button to play “All songs” in it.
Play mode
This option can be set as “Repeat” or “Shuffle”. Repeat mode: Repeat off / Repeat 1/ Repeat all
Repeat Setting
During playback, press M button to go into “Play mode”, then select “Repeat Settings” and enter it to set “Replay Times” and “Replay Interval.
A-B Repeat
During playback, press DEL/A-B Repeat button to set point A of the song, at this time you can see the screen display letter A-B with flashing letter B; And then press DEL/A-B Repeat button again to select point B, at this time the letter B will be stop flashing, it means pointA to point B has been selected successfully. Then press PLAY button to repeat play the segment between point A to point B. Press PLAY button again to exit A-B repeat.
Sound Effect Setting
Equalizer
Set it Off, Rock, funk, hip-hop, jazz, classical or techno according to your needs.
Variable Speed Playback
During playback, press M button to enter, and find “Variable Speed Playback you can set the playback speed from-8 to +8, the higher the number, the faster the playback speed
Bookmark
During playback, press M button to enter, and find “Bookmarks”
Add bookmark:
When playinga recording or music, choose to add a bookmark to record the current period. Each recording or music can only add 10 bookmarks.
Go to bookmark:
Select the added time period, press +/- button to select the required time, short press “PLAY” button to confirm playback.
Delete bookmark:
Select the bookmark to delete, press +/- button to select the time to delete. Short press “PLAY” button to confirm deletion.
Note: Bookmarks adding or delete can only be implemented on the same file or music.
Delete:
Delete the currently playing file or the selected file.
Delete all:
Delete the contents of the current folder.
All songs:
All songs on the disk.
Now playing:
Break-point memory function, the link will continue to play at the last disconnected position.
Folder View
View all files on this device.
FAQS
No Voice Recordings
If the screen display “no voice recordings” or “no songs”. Don’t worry, you could just go ahead to press REC button to record.
How To Close Record Light
Go to “Recorder menu -> Rec indicator-> set it OFF, then the record indicator will not light during recording.
Disk Error
It may caused by static shock, like over current charging or formatting unsuccessfully.
How to Rescue:
Make sure the recorder switch OFF, and using the usb cable to connect it with computer like a usb disk, then format the recorder disk in computer (for mac computer, contact customer support for tutorials)
Failed to Connect with Computer
Please make sure the recorder switch OFF when connecting. Do not press any buttons of the recorder or perform any operations on the recorder during connecting. Please try to find another usb cable to try or reboot computer or find another computer usb socket. If all above methods still not Working, please email us.
Can I Delete Recordings From Computer
Yes, it was a removable usb disk after connecting successfully. You can find the folder in the recorder disk, and then you could copy or delete or transfer files.
TileRec – Slimmest Voice Activated Recorder with 145 Hours Recording Capacity, MP3 Records, 24 Hours Battery Time, Metal Case – by Atto Digital.
A voice activated recorder is a neat device that starts and stops recording automatically depending on whether there is audible sound around it.
Our pick. Sony UX560. The best voice recorder. The Sony UX560 is an easy-to-use recorder that provides crisp, clear audio in the most-common recording situations. …
Runner-up. Olympus WS-853. More storage and longer battery life, lower-quality audio. …
Budget pick. Sony ICD-PX470. If you mainly record in quiet environments.
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Note any unusual and recurring crackling noises, clicks on the line or brief bursts of static during a call. These are indicators that someone is monitoring and possibly recording the conversation.
Capturing audio with a recorder not only lets you remember life’s small details, but improves factual precision–laying the groundwork for accuracy and efficiency in professional, academic, and personal contexts. That’s why we think having voice recorders handy, whenever possible, is a best practice
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