Introduction
This manual provides detailed instructions for the safe and effective operation, maintenance, and troubleshooting of your Fenix TK35R tactical flashlight. Please read this manual thoroughly before use to ensure optimal performance and longevity of your device.
Package Contents
Upon opening the package, verify that all items listed below are present and in good condition:
- Fenix TK35R Flashlight
- USB Type-C Charging Cable
- Two 18650 Rechargeable Li-ion Batteries (pre-installed or separate)
- EdisonBright Accessory Carrying Case
- Lanyard (if included)
- Spare O-ring (if included)
- User Manual (this document)
Figure 1: Fenix TK35R package contents, including the flashlight, USB-C cable, EdisonBright accessory case, and product packaging.
Setup
Battery Installation
The Fenix TK35R uses two 18650 rechargeable Li-ion batteries. Ensure the batteries are inserted with the positive (+) terminal facing the head of the flashlight. Incorrect polarity can damage the device.
Charging the Battery
The TK35R features a USB-C fast charging port. To charge the flashlight:
- Locate the sliding charging port cover on the flashlight body.
- Slide the cover to expose the USB-C port.
- Connect the provided USB-C cable to the flashlight and a compatible USB power source (e.g., wall adapter, computer USB port).
- The battery level indicator will show charging status. A full charge typically takes approximately 2 hours.
- Once charging is complete, disconnect the cable and securely close the charging port cover to maintain water resistance.
Operating Instructions
The Fenix TK35R features dual tail switches and FlexiSensa control for versatile operation.
General Operation
- Power On/Off: Press and hold the main tail switch for approximately 0.5 seconds to turn the flashlight on or off.
- Mode Switching (White Light): With the flashlight on, short press the functional tail switch to cycle through Eco, Low, Med, High, and Burst modes.
- UV Light Activation: From the off state, press and hold the functional tail switch for 0.5 seconds to activate UV light. Short press to cycle between High and Low UV modes.
- Instant Burst: From any state (on or off), fully press the tactical switch for instant 5800 lumen burst. Release to return to previous state or turn off.
- Instant Strobe: From any state (on or off), long press the functional switch for 0.5 seconds for instant strobe. Release to return to previous state or turn off.
Figure 2: Illustration of the dual tail switches for instant burst and strobe functions.
Lockout Function
To prevent accidental activation, the TK35R features a lockout function:
- Activate Lockout: With the flashlight off, simultaneously press and hold both tail switches for 3 seconds. The flashlight will blink twice to indicate lockout activation.
- Deactivate Lockout: Simultaneously press and hold both tail switches for 3 seconds. The flashlight will turn on in Eco mode, indicating lockout deactivation.
Battery Level Indication
The battery level indicator is integrated into the functional switch. When the flashlight is turned on, the indicator will display the battery status for a few seconds:
- Solid Green: 100% - 85%
- Flashing Green: 85% - 50%
- Solid Red: 50% - 25%
- Flashing Red: 25% - 0% (critical level, recharge immediately)
Performance Overview
Figure 3: The Fenix TK35R demonstrating its powerful beam, reaching up to 610 meters with 5800 lumens.
Figure 4: The Fenix TK35R, a high-performance multi-mode tactical flashlight designed for extreme conditions.
Figure 5: The compact body design of the Fenix TK35R, highlighting its dimensions (154mm length, 43mm head width) and features like the U-pattern light tail and body clip for easy carry.
Figure 6: The Fenix TK35R demonstrating its 1-meter impact resistance, built with high-intensity aluminum alloy for durability.
Maintenance
Cleaning
Regular cleaning helps maintain the flashlight's performance. Use a soft cloth to wipe the body. For the lens, use a lens cleaning cloth and solution to avoid scratches. Do not use harsh chemicals or abrasives.
O-Ring Maintenance
Periodically inspect the O-rings for wear and tear. Replace them if damaged to maintain the IP68 waterproof rating. Apply a thin layer of silicone grease to the O-rings to ensure a proper seal and prevent drying.
Battery Care
Store the batteries in a cool, dry place when not in use. If the flashlight will not be used for an extended period, remove the batteries to prevent potential leakage or damage to the flashlight.
Troubleshooting
If you encounter issues with your Fenix TK35R, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Flashlight does not turn on. |
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| Light output is dim or flickers. |
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| Charging not working. |
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Specifications
| Feature | Detail |
|---|---|
| Model | Fenix TK35R |
| Maximum Output | 5800 Lumens (White Light) |
| Maximum Beam Distance | 610 meters (2001 feet) |
| Light Source | 4 x Luminus SFT25R LEDs (White Light), UV LEDs |
| UV Output | High: 3 W, Low: 1.5 W |
| Power Source | 2 x 18650 Rechargeable Li-ion Batteries |
| Charging | USB Type-C Fast Charging (approx. 2 hours) |
| Dimensions | Length: 6.06 inches (154mm), Head Diameter: 1.69 inches (43mm) |
| Weight | 12.06 ounces (342g) (including battery) |
| Material | Anodized Aluminum |
| Impact Resistance | 1 meter |
| Waterproof Rating | IP68 (Submersible to 2 meters for 30 minutes) |
| Special Features | Instant Burst, Instant Strobe, Dual Tail Switches with FlexiSensa Control, Lockout Setting, Battery Level Indicator, Sliding Charging Port Cover |
Output Modes and Runtime
| Mode | Output | Runtime | Beam Distance |
|---|---|---|---|
| White Light: | |||
| Burst | 5800 Lumens | 3 hours | 610 meters |
| High | 2000 Lumens | 3.25 hours | 370 meters |
| Med | 800 Lumens | 4 hours | 230 meters |
| Low | 350 Lumens | 9.33 hours | 150 meters |
| Eco | 30 Lumens | 105 hours | 30 meters |
| UV Light: | |||
| High | 3 W | 7.5 hours | N/A |
| Low | 1.5 W | 14.5 hours | N/A |
Note: The stated runtime parameters are laboratory-tested values and may vary depending on environmental factors and battery condition.
Warranty Information
The Fenix TK35R comes with a limited warranty provided by Fenix Lighting. For specific warranty terms and conditions, please refer to the official Fenix website or contact their customer support. Keep your purchase receipt as proof of purchase for warranty claims.
Customer Support
For further assistance, technical support, or inquiries regarding your Fenix TK35R flashlight, please visit the official Fenix website or contact their customer service department. You can often find FAQs, product registration, and contact information on their support pages.
Visit the Fenix Store: Fenix Official Store on Amazon
