pressing the trap door down to turn the TS-23 "ON", or by removing the flashguard shield and inserting it into the tester. This is accomplished by separating the main body of the light from its flashguard shield. This separation is performed by holding the main body of the light with one hand while grasping the flashguard shield with the other and pulling in opposite directions.

After separation, insert the top of the light into the trap door on the top of the TS-23/A, insuring that the xenon lamp is fully inserted into the tester. Turn the light switch ON and note the numerical reading recorded on the digital readout of the tester.

An acceptable reading between 100-150 is required and equates to a flash rate of 50 ± 10 flashes per minute. If a reading of less than 100 is noted, replace both batteries and, if necessary, clean the battery contacts in the light, then repeat the test. Should any light continue to fail this test, discard the light in accordance with local procedures.

Upon completion of this test, the reassemble the light by inserting the top of the light (lamp) into the bottom of the flashguard and pushing upward until it stops.

NOTE: Standard ambient temperature for performing flash rate test is 70° Fahrenheit. A lower temperature may result in somewhat lower flash rates.

c.BA-3058/U battery ("AA" Alkaline) or equivalent

Currently only a commercial test fixture exists to test the BA-3058 Radio Shack part number 910-2135 Type 22-096 or equivalent. Therefore, batteries surpassing their lifecycle/manufacturing duration's or batteries that are found to be defective will be discarded in accordance with local disposition instructions/guidelines.

2. Test Equipment and Tools

No special test equipment other than the TS-23/A Strobe Light Tester is required to test the MS-2000(M) strobe light. If this tester is not available or functionally inoperative, flash rate testing can be accomplished MANUALLY in accordance with procedures outlined in paragraph 2a except limit the test to two (2) minutes, counting the rate in the last minute. Test equipment for the BA-3058/U battery is commercially available.

3. Maintenance Requirements

Since all electronic circuitry of the MS-2000(M) strobe is enclosed within its main body case assembly and cannot be disassembled without destroying its integrity, preventive maintenance requirements are limited to initial and periodic flash rate testing and visual inspections.

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ACR Electronics MS-2000(M) manual Test Equipment and Tools, Maintenance Requirements
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MS-2000(M) specifications

The ACR Electronics MS-2000(M) is a state-of-the-art survival radio beacon designed to ensure the safety of individuals at sea and in remote locations. This device is a beacon that transmits distress signals to search and rescue (SAR) authorities, facilitating fast response times during emergencies. One of its standout features is its compliance with the international Cospas-Sarsat distress beacon standards, ensuring reliability and effectiveness for users worldwide.

One of the main characteristics of the MS-2000(M) is its Dual Frequency capability. It transmits on 406 MHz and 121.5 MHz frequencies, allowing for long-range detection by satellites while still being picked up by conventional receivers during proximity searches. This dual capability significantly enhances the chances of a successful rescue.

The MS-2000(M) is designed to be both rugged and compact, weighing only 1.5 pounds and featuring an IP68 waterproof rating, which means it can withstand harsh marine environments. Its versatile design allows for easy attachment to life vests, lifeboats, or even personal carry bags, ensuring it is always accessible when needed. The unit also incorporates a built-in GPS, which provides accurate location data, further aiding SAR teams in pinpointing the exact position of the beacon.

Another significant technological advantage of the MS-2000(M) is its exceptional battery life. The device is equipped with a lithium battery that can last up to 48 hours in an activated state, ensuring prolonged transmission of distress signals. Additionally, the beacon features a self-test function, confirming that the unit is operational and ready for use at a moment's notice.

Moreover, the MS-2000(M) is designed with user-friendliness in mind. It includes a simple activation process that can be conducted even in high-stress situations, ensuring that individuals can send out distress signals promptly. The beacon is also compatible with various mounting options, providing users with flexibility depending on their specific needs.

Overall, the ACR Electronics MS-2000(M) is an essential piece of safety equipment for anyone who ventures into open waters or remote areas. Its advanced features, robustness, and reliable technology make it a trusted companion for sailors, adventurers, and aviation personnel alike. By investing in the MS-2000(M), users are equipping themselves with a powerful tool designed to save lives in emergency situations.
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