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General| Brand | Evistr |
|---|---|
| Model | L57 |
| Category | Voice Recorder |
| Language | English |
Diagram identifying all external buttons, ports, and display elements.
Step-by-step guide to turn on the voice recorder.
Instructions for safely shutting down the voice recorder.
How to control the recording process, including pausing and resuming.
Procedure to end a recording session and save the audio file.
Choose desired audio quality (e.g., 32kpbs, 384kpbs).
Configure the LED indicator for recording status.
Fine-tune microphone input levels for optimal sound capture.
Operate playback functions: play, pause, skip, and track selection.
Utilize A-B repeat for looping specific playback segments.
Instructions for deleting individual or all audio files.
Configure the device's internal clock and date.
Adjust screen backlight duration from 0 to 30 seconds.
Choose the display language for menus and prompts.
Erase all data and reset the device to factory defaults.
Details on the 8GB storage and supported audio file types.
Information on dimensions, display resolution, and USB version.
Troubleshoot when the recorder shows no files available.
Solutions for common file format issues or errors.
Guide for establishing a connection between the recorder and a PC.
Steps to locate recordings not appearing in the file list.
How to enable and configure voice-activated recording (AVR).
Diagnose why the REC button fails to initiate recording.
Understand and fix playback issues causing short file durations.
Troubleshoot and resolve unexpected random playback.
Guide on setting start/end points for A-B repeat playback.
Tips to prevent or reduce background noise during recording.
How to exit or cancel the file deletion process safely.
Resolve the 'NOT RECORD' message when storage is empty.
Strategies for freeing up space on the device's internal memory.
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