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Bayco Products, Inc. • 640 South Sanden Blvd. • Wylie, TX 75098 • 1-800-233-2155 • 1-469-326-9400 • www.nightstick.com

INS-TAC-540XL-20

 Instruction  Manual

TAC-540XL

US PATENT 9,713,217 

THANK YOU FOR SELECTING THE NIGHTSTICK TAC!

Please read these instructions before using your TAC. They include important 

safety and operation information. 

WARNINGS

WARNINGS

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NOT FOR USE IN HAZARDOUS LOCATIONS.  Do not use this product in 

explosive  atmospheres,  near  fl ammable  liquids,  or  where  explosion  proof  or 

intrinsically safe lighting is required.

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DO NOT use this product in the proximity of vehicles or equipment when there is 

a risk of fl ammable liquids coming into contact with the fl ashlight.

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Light can become hot while on.  To prevent damage DO NOT cover or place next 

to any potentially fl ammable materials while in use.

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Keep out of the reach of children.

STROBE WARNING

Exposure to strobing lights may cause dizziness, disorientation, and nausea. 

A very small percentage of people suffer from photosensitive epilepsy and may 

experience seizures or blackouts triggered by strobing lights. For more information 

from the EPILEPSY FOUNDATION about photosensitivity and seizures, please visit 

www.epilepsy.com

. Anyone who has had symptoms linked to this condition should 

consult a doctor before using this product.

OPERATION

NOTE: The TAC-540XL is rechargeable-ready.  By adding the optional Lithium-

ion Rechargeable Battery, the wall or vehicle mountable Charger and the AC and/

or DC Power Supply, the TAC-540XL fl ashlight can operate as a fully rechargeable 

tactical fl ashlight.

The TAC has fi ve light modes: momentary fl ashlight, full brightness fl ashlight, 

medium brightness fl ashlight, low brightness fl ashlight and strobe. The TAC has a 

single tail switch providing access to all modes.
MOMENTARY FLASHLIGHT MODE

Lightly press the tail switch for momentary operation. Release the switch to turn 

the light off.

CONSTANT-ON

Press the tail switch until it clicks and then release for constant-on in high-

brightness mode. Press and release the tail switch again to turn the light off.
SELECT BRIGHTNESS LEVEL

Press and hold down the tail switch. The light will cycle from high to medium to 

low and then back up again at a rate of approximately one mode per second. The 

light will continue to cycle up and down through the various modes as long as the tail 

switch is held down. When the desired brightness level is reached, simply release 

the tail switch, and the light will remain in that brightness mode. Pressing and holding 

the tail switch again will cause the light to cycle from whatever mode it is currently in.  

Press and release the tail switch to turn the light off.
STROBE FUNCTION

To activate the strobe, rapidly double click the tail switch.  The strobe can be 

activated from any mode including off.  Press and release the body switch to turn 

the strobe off.

CR-123 BATTERY CARRIER

The CR123 battery carrier converts the TAC from rechargeable Lithium-ion to 

non-rechargeable Lithium battery operation. 

Load two CR-123 Lithium batteries with the positive terminals pointing in the 

direction of the arrow. NOTE: The fl ashlight cannot be charged with the CR-123 

CARRIER installed.

WARRANTY 

LIMITED LIFETIME WARRANTY

Bayco Products, Inc. warrants this product to be free from defects in workmanship 

and materials for the original purchaser’s lifetime. The Limited Lifetime Warranty 

includes the LEDs, housing and lenses. Rechargeable batteries, chargers, switches, 

electronics and included accessories are warranted for a period of two years with 

proof of purchase. Normal wear and failures which are caused by accidents, misuse, 

abuse, faulty installation and lightning damage are excluded.

We will repair or replace this product should we determine it to be defective. This 

is the only warranty, expressed or implied, including any warranty of merchantability 

or fi tness for a particular purpose.

For a complete copy of the warranty, go to www.baycoproducts.com/bayco-

product-support/warranties. Retain your receipt for proof of purchase.

Mode d’emploi

TAC-540XL

MERCI D’AVOIR CHOISI LA TORCHE ÉLECTRIQUE NIGHTSTICK TAC!

Veuillez lire ces instructions avant d’utiliser votre TAC. Elles comprennent des 

informations importantes liées à la sécurité et à l’utilisation de ce produit. 

AVERTISSEMENTS

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NE PAS UTILISER DANS DES ENDROITS DANGEREUX. Ne pas utiliser ce 

produit dans des atmosphères explosibles, à proximité de liquides infl ammables, 

ou  un  endroit  antidéfl agrant  ou  un  emplacement  dont  un  éclairage  à  sécurité 

intrinsèque est requis. 

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NE PAS utiliser ce produit à proximité de véhicules ou équipements quand il y a 

risque de liquides infl ammables entrant en contact avec la lampe de poche.

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La lumière peut être chaude lorsqu’elle est allumée. Pour éviter tout dommage 

NE PAS couvrir ou placer à proximité de matériaux potentiellement infl ammables 

pendant qu’elle est allumée. 

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Garder hors de la portée des enfants.

Included in the box - Compris dans la boîte - Incluido en la caja

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