STEP 1 – INSTALL THE BATTERIES
1. Open the Battery Door Screw using a Phillips head screwdriver.
2. Insert the included CR-123 Batteries using the battery orientation markings
on the side of the light.
3. Re-install the Battery Door Screw until fully tightened.
STEP 2 – INSTALLING THE TWM ONTO YOUR FIREARM
Note: Your TWM has been pre-configured with the L2 modular channel-locking
insert. If the fit is not correct for your specific firearm, use the Allen wrench to switch
to the L1 insert (included in package).
4. Push inward on the rail clamp tension thumbscrew to fully open the
moveable rail clamp.
5. Place the moveable portion of the rail clamp into the groove of the Picatinny
rail and align the L1 or L2 insert with the desired slots.
6. Rotate the TWM onto the Picatinny rail, then release the pressure on the
rail clamp tension thumbscrew making sure that the light is gripping both
sides of the rail. Verify that the insert is fully seated into the slots.
7. While holding the light tightly to the rail, tighten the rail clamp tension
thumbscrew by hand.
8. Use a coin to fully tighten the rail clamp tension thumbscrew.
CAUTION: Periodically check the insert screws and the rail clamp tension
thumbscrew for tightness.
OPERATION
y The TWM-852XL uses Single Push Button Switch.
MOMENTARY-ON MODE
Partially pressing in and holding the switch will activate the momentary-on
y
mode. Releasing the switch will turn the light off.
CONSTANT-ON MODE
Pressing the switch until it clicks will activate the Constant-on mode. Pressing
y
the switch until it clicks again will turn the light off.
Bayco Products, Inc. • 640 South Sanden Blvd. • Wylie, TX 75098 • 1-800-233-2155 • 1-469-326-9400 • www.nightstick.com
QSG-TWM-852XLG2-19