1. Úvod
The BACtrack C8 Breathalyzer is a professional-grade device designed to estimate your Blood Alcohol Content (BAC) with accuracy. Utilizing patented BluFire Fuel Cell Sensor technology, it provides reliable results for personal use. This manual provides essential information for the proper setup, operation, and maintenance of your device.

Image 1.1: The BACtrack C8 Breathalyzer, a compact device for personal alcohol testing.
2. Obsah balení a nastavení
2.1 Co je v krabici
- 1 x BACtrack C8 Breathalyzer
- 3 x Breathalyzer Mouthpieces
- 1 x AAA baterie

Image 2.1: The BACtrack C8 package contents, showing the device, mouthpieces, and battery.
2.2 Instalace baterie
- Najděte přihrádku na baterie na zařízení.
- Open the compartment and insert one AAA battery, ensuring correct polarity.
- Bezpečně uzavřete přihrádku na baterie.
2.3 Mouthpiece Attachment
Attach one of the provided mouthpieces to the designated slot on the breathalyzer. Ensure it is firmly seated to prevent air leakage during testing.
2.4 Optional Wireless Smartphone Connectivity
The BACtrack C8 can be used with or without a smartphone. For app functionality:
- Download the BACtrack App from your device's app store (Apple App Store for iPhone, Google Play Store for Android).
- Povolte na svém smartphonu Bluetooth.
- Follow the in-app instructions to pair your BACtrack C8 device.
3. Návod k obsluze
3.1 Provedení testu
- Počkejte 15 minut: For accurate results, wait at least 15 minutes after your last drink, meal, or cigarette. This allows residual alcohol in your mouth to dissipate, ensuring the measurement reflects your blood alcohol content.
- Zapnutí: Stisknutím tlačítka napájení zapněte zařízení.
- Prepare to Blow: The device will display a countdown. When prompted, take a deep breath.
- Blow: Blow steadily and continuously into the mouthpiece until the device signals you to stop (e.g., a beep or a change on the screen).
- View Výsledky: Your estimated BAC will be displayed on the screen.

Image 3.1: Proper technique for using the BACtrack C8 Breathalyzer.
3.2 Understanding ZeroLine Technology
The BACtrack C8 features ZeroLine technology, which estimates the time until your BAC will return to 0.00%. This provides an indication of when you might be sober again.

Image 3.2: The ZeroLine feature on the BACtrack C8 and its corresponding app display.
3.3 Standalone vs. App Mode
- Samostatný režim: BAC results are displayed directly on the C8 device screen.
- Režim aplikace: When connected to the BACtrack App, results are wirelessly transmitted to your smartphone, allowing for tracking and additional features. You can easily switch between these modes.
4. Údržba
4.1 Rekalibrace
All breathalyzers, including BACtrack devices, require periodic recalibration to maintain accuracy. Refer to the product manual for specific recalibration intervals and instructions. Additional charges may apply for recalibration services.
4.2 Čištění
Clean the exterior of the device with a soft, dry cloth. Mouthpieces can be cleaned with mild soap and water, then thoroughly air-dried before reuse. Do not immerse the main unit in water.
4.3 Skladování
Store the BACtrack C8 in a cool, dry place away from direct sunlight and extreme temperatures. Keep it out of reach of children.
5. Řešení problémů
5.1 Inconsistent Readings
- Ensure you have waited at least 15 minutes after your last drink, meal, or cigarette before testing. Residual mouth alcohol can significantly skew results.
- Confirm the mouthpiece is securely attached.
- Perform a consistent, continuous blow as instructed.
- Consider if the device is due for recalibration.
5.2 Zařízení se nezapíná
- Check if the AAA battery is inserted correctly with the right polarity.
- Vyměňte baterii za novou.
5.3 Problémy s připojením aplikací
- Ujistěte se, že je na vašem smartphonu povoleno Bluetooth.
- Make sure the BACtrack C8 is powered on and within range of your smartphone.
- Try restarting both the device and the app.
6. Specifikace
| Číslo modelu položky | BT-C8 |
| Rozměry produktu | 2.5 x 0.66 x 2.2 palce |
| Hmotnost položky | 2.08 unce |
| Baterie | Vyžaduje 1 baterii AAA |
| Výrobce | backtrack |
| technologie Sensor | BluFire Fuel Cell Sensor |
7. Informace o záruce
The BACtrack C8 Breathalyzer comes with a jednoletá záruka. If your BACtrack C8 ceases to function properly during the first year of operation, BACtrack will repair or replace the defective product. Please retain your proof of purchase for warranty claims.
8. Podpora a kontakt
For further assistance, technical support, or information regarding recalibration services, please visit the official BACtrack webwebu nebo se podívejte na kontaktní informace uvedené na obalu produktu.
Official BACtrack Webmísto: www.bactrack.com