NU-RG300BL - Audio recorder NUVO - Free user manual and instructions
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| Product Type | Portable Digital Audio Recorder |
| Model | NU-RG300BL |
| Brand | NUVO |
| Dimensions | Approximately 100 x 30 x 15 mm |
| Weight | Approximately 50 g (with battery) |
| Power Source | Built-in rechargeable lithium-ion battery, USB charging (5V) |
| Battery Life | Up to 20 hours of continuous recording (depending on settings) |
| Storage Capacity | Supports microSD card up to 32 GB (not included) |
| Recording Format | WAV and MP3 (selectable bitrate) |
| Recording Modes | High quality (HQ), standard quality (SP), long play (LP) |
| Built-in Microphone | High-sensitivity directional microphone |
| Built-in Speaker | Yes, for playback without headphones |
| Connectivity | USB 2.0 for file transfer and charging |
| Headphone Jack | 3.5 mm stereo mini-jack |
| Display | Backlit LCD screen showing recording time, battery, and file info |
| Controls | Dedicated play, record, stop, and menu buttons |
| Operating System Compatibility | Windows 7/8/10/11, macOS 10.12 or newer |
| Additional Features | Voice activation (VOR), A-B repeat, variable playback speed |
| Care and Maintenance | Wipe with a soft dry cloth, avoid exposure to water and extreme heat |
| Safety Instructions | Do not disassemble, protect from static electricity, use only specified charger |
| Spare Parts and Repair | Not user-serviceable; contact authorized service center for any repairs |
| Package Contents | Audio recorder, USB cable, user manual (PDF) |
Frequently Asked Questions - NU-RG300BL NUVO
How do I start recording on the NUVO NU-RG300BL?
Press the REC button once to start recording. The red LED will light up. Press REC again to pause, and press STOP to save and stop the recording.
How can I transfer recorded files to my computer?
Connect the NU-RG300BL to your computer using the included USB cable. The device will appear as an external drive. Open the folder, and copy the WAV or MP3 files to your computer.
Can I use a microSD card with this recorder?
Yes, the NU-RG300BL accepts microSD cards up to 32 GB. Insert the card into the slot, and the device will automatically save new recordings to the card.
How long does the battery last on a full charge?
The built-in rechargeable battery provides up to 20 hours of continuous recording in standard quality. Battery life may vary depending on volume and recording settings.
What audio formats are supported for playback?
The NU-RG300BL supports playback of MP3 and WAV files. You can also play files that you have recorded on the device or transferred from your computer.
How do I delete a recording?
While in the file list, select the file you want to delete, press the OPTION button, choose Delete, and confirm. Alternatively, format the storage via the menu to erase all files.
Is there a built-in speaker for listening without headphones?
Yes, the device has a built-in speaker for immediate playback. You can also plug in headphones or earphones using the 3.5 mm jack.
How do I set the voice-activated recording (VOR) mode?
In the menu, navigate to Recording Settings and select VOR. Enable it. The recorder will then start recording automatically when it detects sound and pause when the sound stops, saving memory.
Can I use this recorder for lectures or meetings?
Absolutely. The directional microphone and HP recording mode capture voice clearly even from a distance, making it ideal for lectures, meetings, and interviews.
What should I do if the device is not recognized by my computer?
First, ensure the USB cable is fully plugged in. Try a different USB port. On Windows, check Device Manager for drivers. On macOS, verify that the device appears in Finder. If not, reset the recorder by holding the reset pinhole with a needle.
How do I set the date and time for file naming?
Press the MENU button, go to System Settings, then Time/Date. Use the navigation buttons to set the current date and time. This timestamp will be used in the file metadata.
Can I adjust the recording sensitivity?
Yes, in the Recording Settings menu, you can adjust the Microphone Gain to low, medium, or high to match the environment, such as a quiet room or a noisy hall.
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USER MANUAL NU-RG300BL NUVO
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Product information
Brand : NUVO
Model : NU-RG300BL
Category : Audio recorder