1. Introduction and Overview
The GPX PC332B Portable CD Player offers a convenient way to enjoy your favorite audio CDs and FM radio stations on the go. Designed for portability, it includes essential features for a reliable listening experience.
Key Features:
- Portable CD player and FM radio functionality.
- Integrated 60-second anti-skip protection for uninterrupted playback (not intended for consistent running or jogging).
- Programmable tracks for customized listening sequences.
- Clear LCD display for track and radio information.
- Low battery indicator to alert you when power is running low.
- Analog volume control for easy adjustment.
- Stereo earbuds included for immediate use.

Figure 1.1: Top view of the GPX PC332B Portable CD Player, highlighting its compact design and accessible controls.

Figure 1.2: The portable CD player with connected stereo earbuds, demonstrating its simple operation and 60-second anti-skip protection.
Video 1.1: A product summary video showcasing the GPX PC332B Portable CD Player's features and design.
2. Setup
2.1 Battery Installation
The GPX PC332B requires two (2) AA batteries (not included) for operation. Ensure batteries are inserted with correct polarity.
- Locate the battery compartment on the bottom of the unit.
- Slide the battery compartment cover open.
- Insert two fresh AA batteries, matching the (+) and (-) indicators inside the compartment.
- Close the battery compartment cover securely until it clicks into place.

Figure 2.1: Bottom view of the unit, illustrating the battery compartment for AA battery installation.
2.2 Connecting Earbuds
The unit comes with stereo earbuds for personal listening. Plug the earbuds into the headphone jack located on the side of the player.
- Insert the 3.5mm plug of the stereo earbuds firmly into the headphone jack.
- Adjust the volume using the analog volume control dial on the side of the unit.
3. Operating Instructions
3.1 CD Playback
- Open the CD compartment lid by sliding the OPEN switch.
- Carefully place an audio CD onto the center spindle, label side up.
- Close the CD compartment lid firmly until it clicks.
- Press the PLAY/PAUSE button to begin playback. The LCD display will show the track number and elapsed time.
- To pause playback, press PLAY/PAUSE again. Press it once more to resume.
- To skip to the next track, press the SKIP+ button.
- To go back to the beginning of the current track or to the previous track, press the SKIP- button.
- To stop playback, press the STOP button.

Figure 3.1: The CD player with its lid open, ready for disc insertion.

Figure 3.2: A compact disc correctly placed within the player's compartment.
3.1.1 Programmable Tracks
You can program up to 20 tracks to play in a specific order.
- In STOP mode, press the PROG button. The program indicator will flash.
- Use the SKIP+ or SKIP- buttons to select your desired track.
- Press PROG again to confirm the selection. Repeat for up to 20 tracks.
- Press PLAY/PAUSE to start programmed playback.
3.1.2 Anti-Skip Protection (ESP)
The player features 60-second Electronic Skip Protection (ESP) to prevent audio interruptions during minor bumps or movements. This feature is automatically active during CD playback.
3.2 FM Radio Operation
To switch to FM radio mode, ensure no CD is playing or the CD compartment is open.
- Slide the function switch to the FM RADIO position.
- Use the TUNE+ or TUNE- buttons to manually tune to your desired FM station.
- For automatic scanning to the next available station, press and hold TUNE+ or TUNE- for a few seconds.
3.3 Controls Overview
- ESP (Electronic Skip Protection): Activates/deactivates skip protection (usually automatic).
- PROG (Program): Used to program track order for CD playback.
- STOP: Stops CD playback.
- MODE: Cycles through playback modes (e.g., Repeat One, Repeat All, Random).
- SKIP+ / SKIP-: Skips tracks forward/backward on CD; used for tuning FM radio.
- PLAY/PAUSE: Starts or pauses CD playback.
- TUNE+ / TUNE-: Used for tuning FM radio stations.
- BBS (Bass Boost System): Enhances bass frequencies.
- Volume Dial: Analog control for adjusting audio output level.
- OPEN Switch: Releases the CD compartment lid.
4. Maintenance
To ensure the longevity and optimal performance of your GPX PC332B Portable CD Player, follow these maintenance guidelines:
- Cleaning the Unit: Use a soft, dry cloth to wipe the exterior of the player. Do not use abrasive cleaners or solvents.
- Cleaning the Lens: If CD playback issues occur, the laser lens may be dirty. Use a specialized CD lens cleaner disc (not included) to clean the lens. Do not touch the lens directly.
- Battery Care: Remove batteries if the unit will not be used for an extended period to prevent leakage and damage.
- Storage: Store the player in a cool, dry place away from direct sunlight, extreme temperatures, and excessive dust.
- Handling CDs: Always handle CDs by their edges. Keep them clean and free of scratches or smudges to ensure proper playback.
5. Troubleshooting
If you experience issues with your portable CD player, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Unit does not power on. | Batteries are dead or incorrectly inserted. | Replace with fresh AA batteries, ensuring correct polarity (+/-). |
| CD skips or does not play. | CD is dirty, scratched, or inserted incorrectly. Laser lens is dirty. | Clean the CD with a soft, lint-free cloth. Ensure the CD is placed correctly. Use a CD lens cleaner. Avoid excessive movement during playback. |
| Poor FM radio reception. | Weak signal or interference. | Extend the antenna fully. Try repositioning the unit for better signal. Avoid areas with strong electronic interference. |
| No sound from earbuds. | Earbuds not fully plugged in. Volume too low. Faulty earbuds. | Ensure earbuds are securely plugged into the headphone jack. Increase the volume. Test with another pair of earbuds. |
| Low battery indicator is on. | Batteries are low. | Replace the AA batteries. |
6. Specifications
Detailed specifications for the GPX PC332B Portable CD Player:
- Model: PC332B
- Product Dimensions: 8.32 x 7.32 x 2.08 inches
- Item Weight: 6.9 ounces
- Power Source: 2 AA batteries (not included)
- Connectivity Technology: Auxiliary (for earbuds)
- Special Feature: Anti-Skip Protection (60 seconds)
- Manufacturer: DPI
- Country of Origin: China

Figure 6.1: Dimensions of the GPX PC332B Portable CD Player.
7. Warranty and Support
For warranty information and customer support, please refer to the official GPX website or contact their customer service directly. Keep your purchase receipt as proof of purchase for any warranty claims.
You can also find additional support and product information by visiting the GPX Store on Amazon.
A PDF version of the user manual may also be available for download: User Manual (PDF)





