C52A2N3 - Voice recorder Dahua Technology - Free user manual and instructions
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| Product Type | Digital Voice Recorder |
| Brand | Dahua Technology |
| Model | C52A2N3 |
| Dimensions | 95 x 30 x 12 mm |
| Weight | 45 g |
| Recording Format | MP3 / WAV |
| Built-in Storage | 8 GB flash memory |
| Battery Type | Lithium-ion rechargeable |
| Power Input | 5V / 500mA via USB |
| Charging Time | Approx. 2 hours |
| Recording Time | Up to 20 hours at 128 kbps |
| Microphone | Omnidirectional built-in |
| Speaker | Built-in 8Ω / 1W |
| Display | OLED status screen |
| Main Functions | One-touch recording, voice activation, timestamp, password protection |
| Noise Reduction | AI-based noise filtering |
| Connectivity | USB 2.0 port |
| Compatibility | Windows, macOS, Linux |
| Operating Temperature | 0°C to 40°C |
| Safety Features | Auto power-off when low battery; selectively disabled recording indicator light |
| Included Accessories | USB cable, user manual |
| Maintenance | Clean with dry soft cloth; keep away from moisture |
| Repairability | Replaceable battery; spare parts available |
Frequently Asked Questions - C52A2N3 Dahua Technology
How do I turn on the Dahua C52A2N3?
Press and hold the power button for 3 seconds until the LED lights up. The device will enter standby mode.
How do I start a voice recording?
With the device on, press the record button (●) once. The recording indicator will blink. Press again to pause; press and hold to stop. The audio file is saved automatically.
How do I transfer recordings to a computer?
Connect the device to your PC using the USB cable. The recorder appears as a removable drive. Drag and drop the MP3/WAV files to your desktop.
How long does the battery last?
The built-in lithium-ion battery provides up to 20 hours of continuous recording. Charging takes about 2 hours.
Can I use a password to protect my recordings?
Yes, you can set a password in the security menu. Once activated, you must enter a 4-digit PIN to access the audio library.
Does the recorder support voice-activated recording?
Yes, enable voice activation mode. The device will pause recording when no sound is detected and resume when speech exceeds the set threshold.
How do I reset the device if it freezes?
Press and hold the reset button (small hole) with a paperclip for 5 seconds. This will restart the recorder without deleting files.
What is the maximum recording time?
At the highest quality (WAV, 1536 kbps), you can record about 10 hours. In MP3 128 kbps, it extends to 20 hours on the 8 GB memory.
Does the C52A2N3 work with smartphones via Bluetooth?
No, the C52A2N3 does not have Bluetooth. It uses a USB 2.0 connection for data transfer.
How do I clean and maintain the voice recorder?
Use a soft, dry cloth to wipe the casing. Do not use solvents. Keep the microphone mesh free of dust. Charge the battery at least once every month to maintain battery health.
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Download the instructions for your Voice recorder in PDF format for free! Find your manual C52A2N3 - Dahua Technology and take your electronic device back in hand. On this page are published all the documents necessary for the use of your device. C52A2N3 by Dahua Technology.
USER MANUAL C52A2N3 Dahua Technology
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Product information
Brand : Dahua Technology
Model : C52A2N3
Category : Voice recorder