Introduction
This manual provides detailed instructions for the safe and efficient use of your Sony ICD-PX370 Mono Digital Voice Recorder. Please read this manual thoroughly before operating the device and retain it for future reference.

Figure 1: Sony ICD-PX370 Mono Digital Voice Recorder
Product Features
- MP3 Audio Recording: Record audio quickly and easily in MP3 format.
- Extended Battery Life: Enjoy up to 57 hours of battery life for prolonged recording sessions (MP3 128Kbps stereo).
- Built-In USB Connection: Direct USB connection allows for quick and convenient file transfer to your personal computer without the need for additional cables.
- 4GB Built-In Memory: Store a significant amount of audio recordings directly on the device.
- MicroSD Card Slot: Expand storage capacity using a microSD card.
- Auto Voice Recording: Reduces background noise for clearer voice recordings.
- Playback Options: Supports MP3, WMA, AAC, and WAV files. Features include speed adjustment for playback.
- Hold Function: Prevents accidental button presses during recording or playback.
Setup
1. Battery Installation
The Sony ICD-PX370 requires two AAA (LR03) alkaline batteries. These are typically included in the product package.
- Locate the battery compartment cover on the back of the device.
- Slide the cover open.
- Insert two AAA batteries, ensuring correct polarity (+ and - ends match the indicators inside the compartment).
- Close the battery compartment cover securely.
Video 1: Demonstrates battery installation and USB connection. This video shows how to open the battery compartment, insert AAA batteries, and then slide out the built-in USB connector for direct connection to a computer.
2. Initial Setup (Date/Time, Language)
Upon first power-on or after battery replacement, the device may prompt you to set the date, time, and language. Follow the on-screen instructions using the navigation buttons.
- Slide the HOLD/POWER switch to the "POWER" position and release to turn on the device.
- Use the PLAY/STOP button (center button) to confirm selections and the BACK button to return to the previous screen.
- Navigate through the menu using the directional buttons (up/down/left/right) around the PLAY/STOP button.
Operating Instructions
1. Recording Audio
- Ensure the device is powered on.
- Press the REC/PAUSE button (red button) to start recording. The REC indicator will light up.
- To pause recording, press REC/PAUSE again. The REC indicator will flash. Press again to resume.
- To stop recording, press the STOP button (square button). The recording will be saved automatically.
2. Playback
- From the STOP mode, press the PLAY/STOP button (center button) to start playback of the last recorded file.
- Use the VOLUME +/- buttons on the side to adjust the playback volume.
- To skip forward/backward through files, use the FAST FORWARD/REWIND buttons (arrow buttons).
- To stop playback, press the STOP button.
3. File Management (Transfer to PC, MicroSD)
The device features a built-in USB connector for direct transfer of files to a computer.
- Slide the USB slider on the back of the device to extend the USB connector.
- Plug the device directly into a USB port on your computer.
- The device will appear as a removable drive on your computer. You can then drag and drop files to transfer them.
- To use a microSD card, open the microSD slot cover on the side and insert the card. Files can be moved between internal memory and the microSD card via the device's menu or when connected to a computer.
Video 2: Demonstrates the built-in USB connection and microSD card slot. This video highlights the convenience of the direct USB connection for file transfer and shows where to insert a microSD card for expanded storage.
4. Settings (Recording Mode, Scene Select)
Access various settings to optimize your recording experience.
- Press the HOME button to access the main menu.
- Navigate to "Settings" using the directional buttons and press PLAY/STOP to select.
- From the Settings menu, you can adjust:
- Recording Settings: Adjust recording quality (MP3 48kbps, 128kbps, 192kbps). Higher quality uses more memory.
- Scene Select: Choose optimized settings for different environments (e.g., Meeting, Lecture, Voice Notes, Interview, Auto Voice Rec).
- Common Settings: Adjust beep sounds, LED indicators, date/time, and auto power off.
Maintenance
- Keep the device dry and away from extreme temperatures.
- Clean the exterior with a soft, dry cloth. Do not use liquid or aerosol cleaners.
- Remove batteries if the device will not be used for an extended period to prevent leakage.
Troubleshooting
If you encounter issues, try the following common solutions:
- Device does not power on: Check if batteries are inserted correctly and are not depleted. Replace with new batteries if necessary.
- Poor recording quality:
- Ensure the microphone is not obstructed.
- Adjust "Scene Select" settings to match your recording environment.
- Increase recording quality in "Recording Settings" (note: this uses more memory).
- Cannot transfer files to computer:
- Ensure the USB connector is fully extended and securely plugged into the computer's USB port.
- Try a different USB port on your computer.
- Restart your computer.
Specifications
| Model Number | ICD-PX370 |
| Brand | Sony |
| Memory Storage Capacity | 4 GB |
| Recording Format | MP3 Audio |
| Battery Life | Up to 57 hours (MP3 128Kbps stereo) |
| Batteries Required | 2 x AAA (LR03) alkaline batteries |
| Hardware Interface | USB |
| Microphone Form Factor | Built-In |
| Headphones Jack | 2.5 millimeters |
| Item Weight | 4.8 ounces (136 Grams) |
| Product Dimensions | 0.76"D x 1.51"W x 4.49"H |

Figure 2: Sony ICD-PX370 with key dimensions
What's in the Box
- IC Recorder (Sony ICD-PX370)
- LR03 (size AAA) alkaline batteries (2)
- Operating Instructions
- Warranty card
Warranty and Support
Your Sony ICD-PX370 Mono Digital Voice Recorder comes with a manufacturer's warranty. Please refer to the included Warranty Card for details on coverage and how to obtain service.
For additional support, visit the official Sony support website or contact their customer service. Keep your purchase receipt and product serial number handy when seeking support.





