Larson Electronics BLG-LED-4REX-131 Instruction Manual

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Part # BLG-LED-4REX-131

Larson Electronics, LLC Phone: [phone] Fax: [phone] www.larsonelectronics.com

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Replacement LED Module

and Battery

Instruction Manual

This is a replacement module and DOES NOT come with the charging base. To replace the old Module with the new one
follow the instructions below. For video on removing the old module use the QR code at the bottom of the page.

INSTALLATION

Remove the four screws at the front of the protective lens c ap on th e gun
mount. Once removed, separate the front cap from the rest of the mount.
Wiggle the light back and forth until you are able to slide it through the
front of the mount. Insert the new light by placing the back end of the light
through the mount and pull tight to ensure it is snug. Replace the
protective lens cap and re-insert the four screws to fasten the cap to the
mount.

USING THE LIGHT

• The light features a Head‐mounted push button Switch

• Depress the push button switch once to turn the light on at full intensity. Depress and hold the switch for one

second for low intensity.

• Depress and hold the switch for ten seconds for a very low intensity. (Moonlight Mode) A single press of the
switch from any “on” mode will turn the flashlight off.

0

Part # BLG-LED-4REX-131

Larson Electronics, LLC Phone: [phone] Fax: [phone] www.larsonelectronics.com

2 of 2

CHARGING

Fully charge your flashlight before first use. Several charge/discharge cycles may be needed
to achieve full battery capacity. The flashlight may be stored in the charger continuously
when not in use. To charge the flashlight, first turn it off and insert it into the charger. The
triangular plate on the head fits into a mating recess in the charger. With the plate toward
the charger, slip the barrel of the light between the charger arms and pull downward until it
locks into place. The red LED on the charger housing must light to insure that the battery is
being charged. Keep the flashlight and charger contacts clean at all times. Poor contact can
cause charger malfunctions. An abrasive pencil eraser works well to clean the contacts. It
should be fully charged in 12 hours. Red LED remains on as long as flashlight is in the
charger.

NOTE:
Observe the red LED:

• If the LED does not blink rapidly and continuously, indicating a full charge, within

3.25 hours check the contacts and the charger’s power supply wiring. If no obvious
problem is found, return the system for service.

• Proper function of the fast charge circuitry can be determined by inserting a
flashlight into the charger for at least 5 minutes. Turn the flashlight “on” and the red
LED should switch to blink mode within 5 minutes. The fast charger is equipped with
circuitry to prevent fast charging in temperature extremes (below 40° F and above
115°

• When temperature is within the acceptable range fast charging will begin.

BATTERY REPLACEMENT

Simply unscrew the tail cap and slide the battery from the flashlight. Replace the battery inserting the contact end first and
reattach the tail cap.

For info on warranty and returns please visit our website: www.Larsonelectronics.com