SPECIAL FORCES 1000/1000XL UDT CHRONOGRAPH

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Valentine Wilkerson
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2 Table of Contents Display and crew Down Crown/Pushbuttons 1 etting Date and Time Zone etting Time Resetting Chronograph Hands to Zero Timing Mode imple Chronograph Function Timing Mode plit Time or Intermediate Times Function Tachymetre Tachymetre avigation Miscellaneous pecifications

3 DIPLY and crew Down Crown/Pushbuttons 1. BZL with Compass Markings CHROOGRPH HD crewed Down a 3.3 marker marker marker crew Down Crown and Pushbuttons a. b. 1 etting & Timing Positions b 2 3 Push in and turn Crown clockwise until tight. Turn Pushbuttons clockwise until tight when not using. Pushbuttons do not require pushing in to screw down. 3 FT DPTH XL UDRTR DMOLITIO TM Turn Crown counterclockwise until you no longer feel the threads gripping; Crown can now be pulled out. Unscrew Pushbuttons to use CHROOGRPH until light resistance is felt. 3 RIG: Crown should be locked down in position 1 at all times, use position 2 & 3 for adjustments only. Do not operate pushbuttons under water! OT - Failure to screw down Crown and Pushbuttons to resist moisture will void your warranty 2 1 B hour counter minute counter second counter Pushbutton: TRT/TOP 1/ second counter Date indicator Minute hand econd hand Hour hand etting crown Pushbutton: plit-time / Reset to Zero TCH HD

4 etting Date and Time Zone 2. etting crown in position 2 moves only the hour hand XL UDRTR DMOLITIO TM 1 2 FT DPTH Date changes each time hour hand passes midnight (2: hours)

5 etting TIM 3. etting Crown in position 3 tops econd Hand and adjusts both hour and minute hands* XL UDRTR DMOLITIO TM FT DPTH Date changes each time hour hand passes midnight (2: hours) *ote - For precise setting of time, it is recommended to adjust the minute hand past the required time and turn backwards to the desired minute.

6 Resetting Chronograph Hands to Zero. The chronograph hands can be set at zero or another time zone. et the hour counter at et the second counter at FT DPTH XL UDRTR DMOLITIO TM etting crown OT: Do not keep setting crown in position 2 for more than minutes (time could be lost). hen crown is pulled out to position 3, movement will stop immediately; second hand stops B et the 1/ second counter at et the minute counter at ote: Press PUHBUTTO longer than 1 second to advance hands quickly

7 Timing Mode imple Chronograph Function. XL UDRTR DMOLITIO TM etting crown in FT DPTH 1 TRT TOP 1 2 position 1 RIG: Before each time is taken, the hands should be returned to their original position. If necessary reset to zero with pushbutton B B Reset to Zero 3 1 to 3 order of functions DD FUCTIO: Order in which pushbuttons should be pressed X TRT TOP Read TRT TOP Read B Reset to zero

8 Timing Mode plit-time or Intermediate Times Function. 1 to 7 order of functions ote* tep 2 (or ) may be repeated as many times as necessary; tep is the final reading. FT DPTH XL UDRTR DMOLITIO TM 1 TRT 1 Crown set in position 1 FT DPTH XL UDRTR DMOLITIO TM 1 PLIT 2 Read TIM 2 1 hour 32 minutes seconds 7/ second B RTRT (catching up) FT DPTH XL UDRTR DMOLITIO TM 1 PLIT 1 2 Read TIM 1 hour minutes 2 seconds / second FT DPTH XL UDRTR DMOLITIO TM 1 TOP Read LT TIM 2 hours 7 minutes 3 seconds 2/ second B RTRT 3 (catching up) B Reset to Zero 7

9 Tachymetre 7. Using the TCHYMTR scale The TCHYMTR dial is mainly used to compute an average speed after noting how long it takes to travel a fixed distance (like one mile or one kilometer), but it can also be used to compute many other things. The dial is a logarithmic scale that uses this formula to compute: TCHYMTR DIL = 3 / lapsed Time In econds The chronograph second hand indicates 1/, 1/, 1/2, 1,, or 1, etc. units (miles, objects, pounds etc.). hen stopped, the second hand points to the number on the TCHYMTR scale by which the number of units (1,, or 1, etc.) must be multiplied to obtain per-hour production rate or per-hour speed. XL UDRTR DMOLITIO TM TRT/TOP XL UDRTR DMOLITIO TM TRT/TOP FT DPTH 1 FT DPTH xample o. 1 car covers one mile in 3 seconds. The second hand, stopped as the mile marker is passed, reads on the TCHYMTR scale. verage speed of the car is x 1, or miles per hour. lthough decimal units ( liters, 1 mile, kilometers) make computing simple, in practice, the TCHYMTR scale can be used to calculate velocities and production rates from any number of units. xample o. 2 To measuring something much slower, such as a bicycle, you must use a shorter distance because the elapsed time must fall within the second range. For this example, it took 3 seconds for a cyclist to travel 1/ of a mile. Reading the TCHYMTR dial displays a speed of mph, but the cyclist only traveled 1/ of a mile, so the actual speed would be 1/ of that or an average speed of 2mph over the quarter mile.

10 Tachymetre 8. OT - The scale is valid for all elapsed times from 7.2 seconds to seconds. If the duration of the event is outside this range, then the answer on the dial is not valid. ome of the following examples show ways to get around this limitation. XL UDRTR DMOLITIO TM TRT/TOP XL UDRTR DMOLITIO TM TRT/TOP FT DPTH 1 FT DPTH xample o. 3 copier makes copies in seconds. The sweep second hand was thus stopped at the -second mark, which coincides with the figure 8 on the TCHYMTR scale. The hourly rate of this copier is 8 x, or 8 copies. xample o. manufacturing production line timed for 3 seconds produces 72 parts. topped at the 3-second mark, the chronograph second hand points to on the TCHYMTR scale; the production rate of the machine is x 72, or 8, parts per hour. More xamples: uppose you wanted to measure the speed of a jet airplane. fter traveling kilometers, you noted that seconds had elapsed. The TCHYMTR dial displays 9, but you traveled kilometers, so the answer would be times that, or 9 km/hour. You can also measure other things, like fuel consumption. uppose a pound of fuel took 8 seconds to burn. The chronograph second hand indicates on the TCHYMTR dial that you are burning 7 pounds of fuel per hour.

11 2 avigation 9. 8:M T* 3:7PM T* 3 marker marker XL UDRTR DMOLITIO TM 3.3 marker XL UDRTR DMOLITIO TM 3 FT DPTH FT DPTH 3 1 avigating by sun s position: The direction will be accurate if you are using true local time * without any adjustment for daylight savings time. The further you are from the equator, the more accurate this method will be. In the northern hemisphere, bisect the angle between the hour hand and the o'clock * mark and set the bezel s (3s) indicator to that point. Hold the watch horizontal and point the hour hand at the sun; the bezel s indicator will be pointing orth. If there is any doubt as to which end of the line is north, remember that the sun rises in the east, sets in the west, and is due south at noon. The sun is in the east before noon and in the west after noon, so set the bezel s (3s) indicator to the left of * in the M and to the right of * in the PM. *ote: If your watch is set for Daylight avings Time instead of tandard Time, use the midway point between the hour hand and 1 o'clock to determine the north-south line. In the southern hemisphere, point o clock at the sun instead of the hour hand, the midway point between the hour hand and o clock will be the orth/outh line.

12 Miscellaneous t 8 F ( C), sound travels at 3m or 37yds / 1,9ft per second in air at sea level. Therefore, at 8 F ( C) sound will travel: 1 mile (1,7 yards /,28 feet) in.8 seconds 1, yards in 2. seconds 1 kilometer in 2.91 seconds To estimate the distance to an event (such as an explosion, muzzle flash, lightning, etc.), measure the time from the visual flash to the sound and multiply the seconds by the per second speed. For example the measured lightning to thunder time at 8 F is seconds. x 3m or 37yds / 1,9ft would produce 3,m or 3,7yds / 11,29ft. (2.1miles) 3 FT DPTH XL UDRTR DMOLITIO TM lternately, you can divide the measured time at 8 F by.8 to get miles (s /.8 = 2.1miles), or 2. for thousand yard distance, or by 2.91 for kilometers. OT: t 32 F ( C), sound travels at 332m or 33yds / 1,89ft per second in air at sea level. Therefore, at 32 F ( C) sound will travel: 1 mile / 1,7 yards /,28 feet in.8 seconds 1, yards in 2.7 seconds 1 kilometer in 3.1 seconds xample: ea level temp is 8 F and lightning to thunder measured time is 17. seconds. Distance of lightning strike point is: 17.s x 1,9ft = 19,ft 17.s x 37yds =,2yds 17.s x 3m =,98meters OR: 17.s /.8s = 3.72 miles 17.s / 2.s =. thousand yards 17.s / 2.91s =.98 kilometers

13 pecifications 11. / XL Underwater Demolition Team Technical pecifications I Made, 27-jewel precision T quartz movement. Chronograph: 1/th second, minutes & -hour elapsed time; lap time. Tachymetre. Case in black PVD solid L stainless steel. crew-locked crown and pushers crew-in back. ater resistant to 33m/ feet. Unidirectional, ratcheted - countdown and 3-degree compass heading marker bezel. uper-lumiova advanced illumination system on hands & numbers. cratch resistant, anti-reflective and distortion-free sapphire crystal. UDT diameter - 2mm; XL UDT diameter - mm. Bracelet in black PVD solid L stainless steel. xpandable deployment buckle with double lock security clasp. erial numbered. 2 year limited international warranty.

OPERATION MANUAL SPECIAL FORCES AIR ASSAULT TEAM CHRONOGRAPH

OPERATION MANUAL SPECIAL FORCES AIR ASSAULT TEAM CHRONOGRAPH OPRATIO MAUAL TAM CHROOGRAPH Copyright LTD all rights reserved. Table of Contents Display and crew Down Crown/Pushbuttons etting Date and Time Zone etting Time Resetting Chronograph Hands to Zero Timing