1. Product Overview
The 3M PELTOR ProTac III Headset is designed to provide professional-quality hearing protection while allowing users to remain aware of their surroundings and communicate effectively in noisy environments. This headset features level-dependent environmental listening and a 3.5mm stereo input for connecting external devices.
Key Features:
- Environmental Microphones: For level-dependent hearing protection and ambient listening, allowing you to hear important sounds and conversations.
- 3.5 mm Listen-Only Stereo Input: Enables connection to external devices such as cell phones, two-way radios, or MP3 players.
- Auto Power Off: The headset automatically turns off after 4 hours of non-use to conserve battery life.
- Long Battery Life: Provides approximately 100 hours of continuous use with two AA batteries.
- User-Friendly Buttons: Designed to minimize accidental adjustments.
- Available in Two Cup Sizes: Slim cups for compatibility with other head-borne PPE and full cups for higher Noise Reduction Rating (NRR).
Image 1.1: The 3M PELTOR ProTac III Headset, showcasing its robust design and ear cups.
2. Setup and Assembly
2.1 Battery Installation
- Locate the battery compartment cover on one of the ear cups.
- Gently open the cover.
- Insert two AA batteries, ensuring correct polarity (+/-).
- Close the battery compartment cover securely.
Image 2.1: The headset indicating that two AA batteries provide approximately 100 hours of continued use.
2.2 Headset Adjustment
- Adjust the headband to ensure a comfortable and secure fit over your ears. The ear cups should fully enclose your ears.
- Ensure the ear cushions create a tight seal around your ears for optimal hearing protection.
Image 2.2: A user wearing the headset in an industrial setting, demonstrating proper fit for hearing protection.
3. Operating Instructions
3.1 Power On/Off
- To power on the headset, press and hold the power button located on the ear cup until an audible signal is heard.
- To power off, press and hold the power button again until the headset powers down.
- The headset features an auto power-off function, activating after 4 hours of non-use to conserve battery life.
Image 3.1: A close-up view of the user-friendly buttons on the headset, designed to prevent accidental adjustments.
3.2 Environmental Listening Function
- The integrated environmental microphones allow you to hear ambient sounds and conversations while maintaining hearing protection.
- Adjust the volume of the environmental listening feature using the dedicated volume buttons on the ear cup.
- This feature is level-dependent, meaning it will attenuate loud noises while amplifying quieter sounds for improved situational awareness.
Image 3.2: The headset with a highlighted area indicating the location of the environmental microphones for ambient listening.
3.3 External Audio Input
- Connect an external audio device (e.g., cell phone, two-way radio, MP3 player) to the headset using a 3.5mm stereo audio cable (not included).
- The 3.5mm input is listen-only, meaning audio from the external device will be played through the headset, but the headset's microphone will not transmit to the device.
- Adjust the volume of the external audio device directly on the device itself.
Image 3.3: The headset with the 3.5mm stereo input port highlighted, used for connecting external listen-only devices.
4. Maintenance
- Cleaning: Clean the headset regularly with a damp cloth. For ear cushions, hand wash as needed. Do not immerse the headset in water.
- Storage: Store the headset in a clean, dry place away from direct sunlight and extreme temperatures.
- Battery Replacement: Replace batteries when the low battery indicator is displayed or when audio performance degrades. Always use fresh AA batteries.
- Inspection: Periodically inspect the ear cushions and headband for signs of wear or damage. Replace worn parts to maintain optimal performance and hygiene.
5. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Headset does not power on. | Dead or incorrectly inserted batteries. | Replace batteries with fresh AA batteries, ensuring correct polarity. |
| No sound from environmental listening. | Environmental listening volume is too low or feature is off. | Increase environmental listening volume using the dedicated buttons. Ensure headset is powered on. |
| Poor hearing protection. | Improper fit or worn ear cushions. | Adjust headset for a tight seal. Inspect and replace ear cushions if worn or damaged. |
| No audio from external device. | Cable not connected properly, device volume too low, or device not playing audio. | Ensure 3.5mm cable is fully inserted. Increase volume on the external device. Verify the external device is playing audio. |
6. Specifications
- Model: 3M PELTOR ProTac III Headset
- Noise Reduction Rating (NRR): 26 dB (for full cup version, may vary by cup size)
- Power Source: 2 x AA batteries
- Battery Life: Approximately 100 hours
- Input: 3.5mm stereo listen-only
- Auto Power Off: After 4 hours of non-use
- Intended Use: Industrial/occupational use only.
Image 6.1: Overview of key features including Environmental Listening, External Audio Input, and Noise Reduction Rating (NRR) of 26 dB.
7. Warranty and Support
This product is manufactured by 3M. For specific warranty information, product support, or assistance with product selection and use, please refer to the official 3M website or contact 3M customer service. It is important to select and use 3M industrial and occupational products in compliance with applicable health and safety regulations and standards, as well as all product literature, user instructions, warnings, and other limitations.
Misuse of 3M industrial and occupational products may result in injury, sickness, death, or property damage. For additional product information, visit www.3M.com.