JETBeam MS-R28

JETBeam MS-R28 Military Flashlight User Manual

Model: MS-R28

1. Product Overview

The JETBeam MS-R28 is a robust military-grade flashlight designed for reliability and performance. It features advanced LED technology, durable construction, and user-friendly functionalities suitable for various demanding environments.

JETBeam MS-R28 Military Flashlight, black, showing the full body with brand and model number visible.

Figure 1: JETBeam MS-R28 Military Flashlight. This image displays the flashlight's full body, highlighting its black finish and textured grip. The JETBeam brand logo and MS-R28 model number are clearly visible on the side of the head.

2. Safety Information

3. Package Contents

Please check the package contents upon opening to ensure all items are present and in good condition.

4. Setup

4.1 Battery Installation

The JETBeam MS-R28 requires a compatible rechargeable battery (not included). Ensure the battery is fully charged before first use.

  1. Unscrew the tail cap of the flashlight by turning it counter-clockwise.
  2. Insert the battery with the positive (+) terminal facing towards the head of the flashlight.
  3. Screw the tail cap back on clockwise until it is securely tightened. Ensure the O-ring is properly seated to maintain waterproofing.

4.2 Initial Charge

If your MS-R28 model supports USB charging, it is recommended to fully charge the battery before initial use to ensure optimal performance and battery longevity.

5. Operating Instructions

5.1 Power On/Off

5.2 Mode Selection

The MS-R28 typically features multiple brightness levels and special modes. The method for cycling through modes may vary slightly by specific production batch, but generally involves the following:

5.3 Battery Life Indicator

The power button on the MS-R28 features a built-in flash indicator to denote battery life. The specific color or flash pattern will indicate the remaining power level:

Note: Specific indicator colors may vary slightly. Refer to the quick start guide included with your specific product for exact details if different.

6. Charging

The JETBeam MS-R28 features USB-charger capabilities for convenient recharging of its internal battery.

  1. Ensure the flashlight is turned OFF before charging.
  2. Locate the USB charging port, typically protected by a rubber cover to maintain waterproofing.
  3. Carefully lift the rubber cover to expose the USB port.
  4. Insert the micro-USB end of the charging cable into the flashlight's port.
  5. Connect the standard USB-A end of the cable to a 5V USB power adapter or a computer's USB port.
  6. The power button indicator light will typically illuminate red or orange during charging and turn green or blue when charging is complete.
  7. Once fully charged, disconnect the USB cable and firmly press the rubber cover back into place to ensure the waterproofing seal is intact.

7. Maintenance

7.1 Cleaning

7.2 Storage

8. Troubleshooting

ProblemPossible CauseSolution
Flashlight does not turn on.
  • Battery is depleted.
  • Battery inserted incorrectly.
  • Loose tail cap.
  • Dirty contacts.
  • Recharge or replace battery.
  • Ensure positive (+) terminal faces the head.
  • Tighten tail cap securely.
  • Clean battery contacts and flashlight contacts with a clean cloth.
Light flickers or is dim.
  • Low battery.
  • Loose components.
  • Dirty contacts.
  • Recharge battery.
  • Ensure tail cap and head are tightened.
  • Clean battery contacts and flashlight contacts.
Water ingress after exposure.
  • Rubber seals (O-rings) are damaged or improperly seated.
  • USB port cover not fully sealed.
  • Inspect O-rings for damage; replace if necessary. Apply silicone grease.
  • Ensure USB port cover is firmly pressed into place.

9. Specifications

Model NumberMS-R28
BrandJETBeam
Product Dimensions19 x 5 x 5 cm
Item Weight1 kg (2.2 lbs)
ColourBlack
Bulb TypeLED
WaterproofingIPX-6 (Resistant to high-pressure, heavy sprays of water)
Charging CapabilityUSB-charger capabilities
Battery IndicatorFlash indicator on power button denotes battery life
Thermal ManagementOptimized thermal heat fins
Included ComponentsJetbeam MS-R28 Military Flashlight Black (and potentially USB cable, lanyard, spare O-rings depending on package)

10. Warranty and Support

JETBeam products are manufactured to high quality standards. For specific warranty terms and conditions, please refer to the warranty card included with your purchase or visit the official JETBeam website.

For technical support, service, or inquiries regarding your JETBeam MS-R28 Military Flashlight, please contact your authorized dealer or the manufacturer's customer service department. Contact information can typically be found on the product packaging or the official brand website.

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