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IMPORTANT INFORMATION
Read prior to activation
Operation Manual
You have just purchased a complicated electronic device. To
operate it properly, please read this manual carefully. Here are
some common precautions that must be noted.
• NEVER subject the unit to impact while operating or
being transported
• NEVER aim the unit at the sun
• NEVER measure ranges to mirror reflecting surfaces
• NEVER touch optical surfaces with fingers
• NEVER
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Features of the LRB 20 000 Laser Range Finder Binoculars BEFORE USE CAREFULLY READ ALL THE INSTRUCTIONS! • Digital Data Output • First or Last Target Indication FAILURE TO OBEY THE INSTRUCTIONS WILL VOID THE • Built-in Compass WARRANTY! • Light Weight • Rugged 1. BRIEF DESCRIPTION • Meet all Military Specifications RANGE FINDER BINOCULARS LRB 20 000 is an advanced Laser Range Finder system that provides instant distance CONTENTS measurements consistently and accurately.
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The following abbreviations are used herein: - Inspect the range finder exterior for physical damage (no cracks, dents, deep rust are admitted); AC ckt – automatic control circuit, - Check the dehydrator for working condition. AI – Angular Mount, If the silica gel is pink in color, replace it with the new one taken from individual SPTA set (item 11.6.3); CD – charging device, - Place the battery in operation as directed in Section 16 of Operating instructions. DCC
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3. TECHNICAL CHARACTERISTICS 2. PURPOSE Rated and 2.1. Binoculars range finder LRB 20 000 AEP 36.28.001 Parameter tolerable value Actual value is a device of industrial-technical purpose and designed for ground surveillance, observation of individual targets and x 1. Binocular magnification (7±0.3) measurement. 2. Binocular angle of vision 6.7˚±20´ 2.2. The range finder complete with the Angular Mount 3. Range measurement limits, m 100 to 20,000 is designed for
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EMITTER: 4. SUPPLIED ACCESSORIES Table 4.1 Serial Ambient temperature Description Designation Q-ty Remarks No. Parameter Normal 1. Range finder AEP 41.46.712 1 –40˚ C Conditions 50˚ C 2. Tripod (optional) G 42.14.067 1 1. Minimum operating pumping 3. Angular Mount G42.21.812 voltage U , V, max oper.min. (optional) 1 2. Maximum operating pumping 4. Rechargeable battery 10D-0,55 С-1 2 voltage U , V, max oper.max.
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Table 4.1, continued 5. APPEARANCE OF THE DEVICE Serial Description Designation Qnty Remarks No. 5.1. As it is set up for operation, binoculars range finder LRB 20 19. Cable AEP 48.44.120 1 000 (see Fig.1) is essentially range finder 1 mounted on Angular Mount 20. Eraser 1 2 . The latter is mounted on tripod 3. 21. Cloth G61.93.516 2 5.1.1. Range finder (Fig.2) is intended for terrain observa
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Connector X1 couples the controls and the Rechargeable battery To lay the range finder accurately on the target, adjustment to control circuit board (A1). knobs 1 and 7 are rotated. To coarsely lay the range finder, it is turned C1 and C2 are energy storage capacitors placed in the pumping through the desired angle. For the purpose, normally engaged clutches are circuit. They are charged up to 700-1000 V through a special contact provided in the elevation and azimuth drives.
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- Direct radiation to diffuse-reflecting surfaces (walls, curtains, 6. SAFETY PRECAUTIONS papers), which are nearer to range finder than 0.43 m; - Inspect the range finder optical components on the housing side 6.1. Range finder is an opto-electronic device emitting high- with MEASURE 1 or MEASURE L button depressed. density pulses of dark light at wavelength of 1.06 µm, characterized by the following dangerous factors according to GOST 12.1. 040-83: 6.3. Persons who happen to
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7.4. To use AI and tripod for observation, proceed as follows: 7. PREPARING FOR USE Arrange the tripod on selected site; 7.1. Choose an observation post. Extend the telescoping legs at the desired length so that one of 7.2. Rotate the objective frame to bring the reticule in sharp focus. them aligns with the ranging direction. Level the base as far as 7.3. Check range finder for proper operation: practicable. - Battery voltage; In case you do not use the tripod proceed as follow
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- ER "0" is the setting of the elevation scale that corresponds to the 7.5.2. To orient the range finder by using the reference directional horizontal position of the range finder Binocular axis. angle, proceed as follows: 7.6.1. To check the zero elevation reference, proceed as follows: - Binocular the range finder on the reference point whose - Stick a stake 50 to 100 m away from the unit and mark it with the directional angle has been known; range finder objective height above
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- To make sure that the needle is free from defects, check that: 8.3. When ranging fixed targets, proceed as follows: - The needle oscillates in a smooth and uniform manner to regain - set the ON-OFF selector switch to the ON position; balance; - lay the range finder on the target so that the latter, or its visible - The position of the needle end is the same relative to the mark when portion is observed in the central gap of the reticule as close as the needle settles; possible to its
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8.6. To measure vertical and elevation angles, proceed as follows: - As the readiness indicator comes on, aim the range finder at an - Align the horizontal mark of the range finder Binocular reticule off-set point forward of the target; with the upper object; - As the target aligns with he reticule gap, release the MEASURE 1 - Read the vertical angle scale using the vernier and note down the (MEASURE L) button; reading; - Read the measured range. - Rotate the azimuth and elevati
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- Calculate from the determined magnetic azimuth A of the - Adjust the circular to read the directional angle as determined for m reference point and the target to find the directional angles, reckoning the target from observation post; in the compass correction ∆ A obtained from the formula: - Pass a vertical line from bottom upward through the OP point in parallel with the grid lines on the circular scale; α = A – ∆ A - Use the rule to lay off the OP- to-target range on the drawn li
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9. SERVICEABILITY TEST Table 9.1, continued The principal tests to be performed on the range finder are listed below. Table 9.1 What is checked, tools, instruments, Technical requirement What is checked, tools, instruments, Technical requirement equipment. Test procedure equipment. Test procedure 9. Sensitivity, indexing uniformity Turn in unit for repair if even a 1. Range finder completeness Range finder is complete with all and balance of ma
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10.2. Maintenance Service Types and Intervals. 10.1. 10.2.1. While in use, the range finder is subject to the Table 10.1 following types of maintenance services: Operations Procedure as Materials, tools and - Check inspection; per accessories - Daily (routine) service; 1. Cleaning external Para. Lens Brush KXOOK No. 7 - In-service maintenance. optical surfaces 11.6.2 (made f
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Table 10.2 10.5. In-service Maintenance. Operations Procedure as per Materials, tools and accessories 10.5.1. During in-service maintenance, the range finger is checked for serviceable condition in accordance with Steps 1 through As in Table 11.1 As in Table 11.1 10 of Table 9.1. 1. Servicing within check inspection 10.5.2.The unit is not to be dismantled during in-service scope Cloth maintenance. 2. Cleaning range 10.5.3. For the se
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10.6. Maintenance Servicing Procedure. - remove the moist silica gel from the case and fill the case 10.6.1. To clean the contacts in the battery section, do the with the fresh one. following: Moist silica gel may be subjected to multiple recalculation at ˚ - Wind some cotton wool around one end of a wooden stick; (120±3) C without any deterioration of its properties. Using a - Moisten the cotton wool with alcohol; microwave oven is allowed. - Wipe the contacts several times by mean
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11.2. The problems likely to occur in the range finder are 11.3. To correct problems by using the individual SPTA set listed with their causes and remedies below in Table 11.1 proceed as follows (see Fig. 6). Table 11.1 11.3.1. To replace the fuse link 2 in the protection device: - Unscrew the threaded cover from the housing of the Possible problems Probable cause Remedy protection device; - Remove the de
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- Protection device 12, used to supply the range finder with 12. LONG TERM STORAGE (27±2.7) V DC or 22-29 V from a vehicle electrical system, or with 22- 29 V or 12-14.5 V from external batteries; To preserve the range finder, proceed as follows: - Cable 14, used to couple the protection device to the - Cap the range finder connectors by paper and tie a cord round; electrical system of a track-laying vehicle; - Coat the range finder bright work with grease G ОI-54P
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15. RECHARGEABLE BATTERY HANDLING Arranging the packing case so that the arrow marked on top points North provides this. 15.1. The rechargeable battery is supplied in discharged Charged batteries may be stored together with the range condition. finder unit for up to three months. 15.2. While handling the battery, be certain to: 13.3. The range finder placed in short-term storage (up - Avoid contact with any bare circuit components while charging the battery; to 3 months) i
