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Image 7
y While holding the TWM tightly to the tactical rail of your fi rearm, fully tighten by hand
the Rail Clamp Tension Thumbscrew. (Image 7)
y Then use a large coin (a quarter works well) and fully tighten the Rail Clamp Tension
Thumbscrew. (Image 8)
WARNING: NIGHTSTICK STRONGLY RECOMMENDS PERIODICALLY CHECKING
TO INSURE THAT THE CROSS RAIL INSERT SCREWS AND THE RAIL CLAMP
TENSION THUMBSCREW REMAIN TIGHT. FAILURE TO KEEP THESE TIGHT CAN
RESULT IN DAMAGE TO THE TWM AND/OR THE CROSS RAIL INSERTS UNDER
CONTINUOUS RECOIL.
STEP 3: TEST FUNCTION OF THE SWITCHES
y Verify that both switches have a full range of movement and that the TWM is
operating properly.
y The TWM is now properly installed on your fi rearm.
OPERATION
Left Down-Momentary On Right Down-Momentary On
Left Up-Constant On
Right Up-Constant On
y The TWM uses Dual Dependent Locking Switches.
y Each switch has 3 positions of operation: Neutral - Off, Down - Momentary-on and/
or Strobe (model dependent),Up - Constant-on
y In order to operate one of the switches, the switch on the opposite side must be in
the Neutral Position (off).
MOMENTARY-ON MODE
Press down and hold either the left side switch or the right side switch to activate
the momentary-on mode. Release the switch, back to the Neutral position and the light
turns off.
NOTE: While in Momentary-on Mode on one side of the TWM, the Dual Dependent
Locking Switch design of the TWM prevents the switch that is NOT in use from accidentally
moving out of the Neutral position. This eliminates the possibility of an unintended
activation of the light (i.e. while the left side switch is being held in the Momentary-on
Mode, the right side switch is mechanically locked in the Neutral position).
CONSTANT-ON MODE
Press up, click and release either the left side switch or the right side switch to
activate the constant-on mode. From the constant-on mode slightly press the switch
downward into the Neutral position to turn the light off.
STROBE MODE (350S/850XLS Models Only)
To activate (using either switch), quickly press down twice and hold on the second
press. This will activate the strobe. The strobe mode will continue until the switch is
released back to the Neutral position.
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.
Image 8
Neutral Off
Neutral Off
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