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Instructions for turning the flashlight on and off using the tactical tail switch.
Details on how to switch between Tactical, Duty, and Lockout modes using the toggle switch.
Guide for selecting output levels in Tactical and Duty modes.
Procedure to enter and exit Strobe mode from Tactical or Duty mode.
Instructions for locking and unlocking the flashlight to prevent accidental activation.
Lists compatible Fenix batteries and their specifications.
Procedure for correctly inserting the battery into the flashlight.
Explanation of how the flashlight manages heat and reduces output.
Description of how the flashlight indicates a low battery status.
Key recommendations for using and maintaining the flashlight, including battery removal and O-ring care.
List of items included in the flashlight package.
The Fenix TK22 TAC is a high-performance tactical flashlight designed for reliability and versatility in various demanding environments. Its primary function is to provide powerful illumination with multiple output modes, catering to both tactical and general duty requirements. The flashlight is engineered for ease of use, featuring intuitive controls for mode selection and activation, ensuring quick response in critical situations.
One of the key usage features of the Fenix TK22 TAC is its dual-mode operation: Tactical Mode and Duty Mode. These modes offer distinct output selections and activation methods, allowing users to adapt the flashlight's performance to their specific needs. In Tactical Mode, the flashlight prioritizes instant access to high-intensity output and strobe for self-defense or signaling. Users can momentarily turn on the light by tapping the tactical tail switch, or fully press it to lock the light on Turbo output. A press and hold of the tactical tail switch for 0.8 seconds activates Strobe, which can be exited by tapping the switch again to return to Turbo, or fully pressing to turn off the light. This rapid access to high output and disorienting strobe is crucial for tactical applications where immediate and decisive action is required.
Duty Mode, on the other hand, provides a more nuanced range of brightness levels, cycling through Eco, Low, Med, and High outputs. This mode is ideal for general illumination tasks, offering flexibility to conserve battery life or provide ample light as needed. The flashlight incorporates an intelligent memory circuit in Duty Mode, which remembers the last used output level, allowing for consistent operation without having to cycle through modes each time it's turned on. Similar to Tactical Mode, Strobe can be accessed in Duty Mode by pressing and holding the tactical tail switch for 0.8 seconds, returning to the previously used output level with a tap, or turning off the light with a full press. The ability to switch between these two distinct operational philosophies makes the Fenix TK22 TAC highly adaptable.
Mode switching is facilitated by a single-handed toggle switch. Rotating this switch clockwise to the end engages Tactical Mode, while rotating it anticlockwise to the end activates Duty Mode. A middle position on the toggle switch serves as a Lockout function, preventing accidental activation, which is a critical safety feature, especially when carrying the flashlight in pockets or backpacks where inadvertent power-on could lead to overheating or battery drain. This lockout mechanism ensures that the light remains off until intentionally unlocked, enhancing both safety and battery longevity. When the light is switched on, rotating the toggle switch to the middle position locks the chosen output level, disabling the tactical switch and preventing further output level selection. If the light is off, the lockout function disables the tactical tail switch entirely, preventing the light from being turned on. To unlock, users simply rotate the toggle switch back to either Tactical or Duty mode.
The Fenix TK22 TAC also incorporates an Intelligent Overheat Protection system. When operating at higher output levels for extended periods, the flashlight will naturally accumulate heat. To prevent damage and ensure user safety, the light is programmed to automatically step down its output when it reaches a temperature of 60°C or above. Once the temperature drops below 60°C, the user is then allowed to reselect higher modes. This automatic thermal regulation is a vital feature for maintaining the flashlight's performance and lifespan, especially during prolonged use in demanding conditions.
Another important usage feature is the Low-voltage Warning. As the battery voltage drops below a preset level, the flashlight will automatically downshift to a lower brightness level until it reaches the Eco output. When operating in Eco output and the voltage is critically low, the light will blink three times every five minutes. This serves as a clear reminder to the user to recharge or replace the battery, preventing unexpected power loss and ensuring the flashlight remains operational when needed. This warning system is specifically designed to work with Fenix ARB-L21 Series 21700 rechargeable Li-ion batteries, highlighting the importance of using compatible and quality power sources.
For battery replacement, the process is straightforward: unscrew the tail cap, insert the battery with the anode side (+) facing towards the light head, and then screw the tail cap back on. This simple design ensures quick and easy battery changes, even in challenging environments.
Maintenance features are crucial for the longevity and optimal performance of the Fenix TK22 TAC. Fenix strongly recommends using excellent quality batteries to ensure reliable operation and prevent potential issues. If the flashlight is not going to be used for an extended period, it is advised to remove the battery. This prevents damage from electrolyte leakage or battery explosion, which can occur with prolonged storage of batteries inside a device. Similarly, locking the light or removing the battery during storage or transportation is recommended to prevent accidental activation.
Long-term use can lead to wear on the O-rings, which are essential for maintaining the flashlight's water seal. To ensure continued water resistance, users should replace worn O-rings with approved spares. Periodic cleaning of the battery contacts is also vital for maintaining the lamp's performance. Dirty contacts can cause the lamp to flicker, shine intermittently, or even fail to illuminate. If such issues arise, users should first check if the battery needs replacing. If not, cleaning the contact points with a cotton swab soaked in rubbing alcohol can resolve the problem. The threads, PCB board contact, and other contacts should also be kept clean. Disassembling the sealed head of the flashlight is explicitly discouraged, as it can cause damage to the light and will void the warranty, emphasizing the importance of professional service for internal repairs. If cleaning and battery replacement do not resolve performance issues, users are advised to contact an authorized distributor for further assistance.
In summary, the Fenix TK22 TAC is a robust and intelligently designed tactical flashlight that combines powerful illumination with user-friendly features and essential maintenance guidelines to ensure reliable performance in diverse operational scenarios. Its dual-mode functionality, intuitive controls, and protective mechanisms make it a versatile tool for professionals and enthusiasts alike.
General| Water Resistance | IP68 |
|---|---|
| Material | A6061-T6 aluminum |
| Surface Treatment | Type III hard-anodized |
| Strobe | Yes |
| Impact Resistance | 1.5 meters |
| Battery Type | 1 x 21700 Li-ion or 2 x CR123A |
| Weight (without battery) | 5.6 oz / 158 g |
| Length | 15.4 cm |
| Body Diameter | 25.4 mm |
| Switch Type | Tail switch |
