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Type II Familial Synpolydactyly: Report on Two Families with an Emphasis on Variations of Expression
European Journal of Human Genetics (2011) 19, 112–114 & 2011 Macmillan Publishers Limited All rights reserved 1018-4813/11 www.nature.com/ejhg SHORT REPORT Type II familial synpolydactyly: report on two families with an emphasis on variations of expression Mohammad M Al-Qattan*,1 Type II familial synpolydactyly is rare and is known to have variable expression. However, no previous papers have attempted to review these variations. The aim of this paper was to review these variations and show several of these variable expressions in two families. The classic features of type II familial synpolydactyly are bilateral synpolydactyly of the third web spaces of the hands and bilateral synpolydactyly of the fourth web spaces of the feet. Several members of the two families reported in this paper showed the following variations: the third web spaces of the hands showing syndactyly without the polydactyly, normal feet, concurrent polydactyly of the little finger, concurrent clinodactyly of the little finger and the ‘homozygous’ phenotype. It was concluded that variable expressions of type II familial synpolydactyly are common and awareness of such variations is important to clinicians. European Journal of Human Genetics (2011) 19, 112–114; doi:10.1038/ejhg.2010.127; published online 18 August 2010 Keywords: type II familial syndactyly; inherited synpolydactyly; variations of expression INTRODUCTION CASE REPORTS Type II familial synpolydactyly is rare and it has been reported in o30 The first family families.1–12 It is characterized by bilateral synpolydactyly of the third The family had a history of synpolydactyly type II for several web spaces of the hands and bilateral synpolydactyly of the fourth web generations on the mother’s side (Table 1). -
White Paper: the KCC Scientific Model 1900W-UNV Clock Winder for Standard Electric Clocks Ken Reindel, KCC Scientific Updated 1-26-13
White Paper: The KCC Scientific Model 1900W-UNV Clock Winder For Standard Electric Clocks Ken Reindel, KCC Scientific Updated 1-26-13 The purpose of this White Paper is to help provide some background on Standard Electric Time master clock, what a Model 1900W-UNV Clock Winder can do for it, and how the Model 1900W-UNV works. Historical Perspective. From the 1880s and beyond, inventors became interested in applying the principles of telegraphy to horology. The idea of a battery-wound master clock which would drive multiple slave clocks, effectively communicating the time signal to them, began to take shape. Additionally, it became fascinating to inventors that the “slave” clocks could be very simple with no escapements or springs, no internal batteries, and requiring little if any maintenance. Charles Warner, who founded the Standard Electric Time Company in 1884,1 was one such inventor. Very early on, Standard Electric borrowed heavily from the Self Winding Clock Company for the design of its master clock movements. Master clocks would have the characteristics described above and relied on special contacts to drive the slaves. Later on, this same concept would be extended to driving program wheels and punched tape ribbons within the clocks themselves, to provide bell timing and other electrical sequences to businesses, schools, etc. For example, many such clocks have been found in schoolhouses and were at one time responsible for ringing bells at the proper times throughout different parts of the building to send students to the next class, as well as driving classroom slave clocks. Standard Electric’s master clock movements eventually took a shape similar to that of the slave clocks: simple, elegant minute impulse ratchet designs for winding the 60, 72, or 80 beat pendulum movements. -
Stauer Swiss Tactical Chronograph
WATCH DISPLAY TIMESETTING USING THE CHRONOGRAPH CHRONOGRAPH RESET A. TO SET THE TIME TO SET THE CHRONOGRAPH Chronograph Reset (includes after 1. Pull the crown (part C) out to position “2” This chronograph is able to measure and replacing the battery) B. G. and rotate it to the desired time. display time in 1 second increments up to a 1. Pull the crown (part C) out to position “2”. 2. Once the correct time is set, push the maximum of 59 minutes (part F) and 2. Press the Start/Stop Button (part B) to set 12 C. crown back into “0” (zero) position. The 59 seconds (part G). the Chronograph Second Hand (part F) to the 0 1 2 30 60 Seconds Dial (part A) will start to run. zero position. The chronograph hand can be 1. To start the Chronograph feature, press advanced rapidly by continuously pressing the the Start/Stop Button (part B). To measure 20 10 40 20 TO SET THE DATE Start/Stop Button (part B). split times press the Split/Reset Button (part 20 1. Pull the crown (part C) out to posi- 3. Once the Chronograph Second Hand (part D) to stop counting. tion “1” and rotate it clockwise (away from you) G) has been set to the zero position, push the to the desired date (part E). 2. Press the Split/Reset Button (part D) to F. 6 crown (part C) back into “0” (zero) position. D. 2. Once the correct date is set, push the crown reset the chronograph, and the Chronograph Minute Dial (part F) and the Chronograph To reset the Chronograph Minute (part H) E. -
Remembering the First Battery-Operated Clock
© 2015 Antiquarian Horological Society. Reproduction prohibited without permission. ANTIQUARIAN HOROLOGY Remembering the first battery-operated clock Beverley F. Ronalds* Francis Ronalds invented a reliable electric clock in 1815, twenty-five years before Alexander Bain’s patent. It was powered by dry piles, a modified form of battery that has extremely long life but the disadvantage that its electrical properties vary with the weather. Ronalds had considerable success in creating regulating mechanisms for his clock to ensure accurate time-keeping in all meteorological conditions. He did not go on to commercialise his ideas, although others made and sold comparable timepieces on the Continent. This year marks the bicentenary of the with the electrically dissimilar metals. The publication of the first battery-operated dry pile was found to have an electric clock. It was rediscovered in the 1970s by potential difference or voltage across its two Charles Aked, Council member of the ends but, unlike Volta’s pile, did not exhibit Antiquarian Horology Society and first an electric current when the terminals were Chairman of the Electrical Horology Group, joined in a circuit. Its potential difference and further information has since come to was also maintained in use whereas a voltaic hand.1 pile ceased to work after a while.3 The clock was created by a prolific Two of the scientists in England who inventor named (later Sir) Francis Ronalds developed and improved the dry pile were FRS (1788–1873); he lived on the Upper Jean-André de Luc (1727–1817) and Mall in Hammersmith, London, at the time George Singer (1786–1817). -
C300 Abbreviated Instruction
English C300 Abbreviated instruction • To see details of specifications and operations, refer to the instruction manual: C300 instruction manual Component identification Setting the calendar The calendar of this watch does not have to be adjusted manually until Thursday, UTC hour hand UTC minute hand December 31, 2099 including leap years. (perpetual calendar) • Press and hold button B for 2 seconds or more to move the hour and minute Minute hand hands to 12 o'clock position temporarily to see the digital display without their MHP Button B 9:00 1:10 interruption. Press the button again to return them to normal movement. 8:00 Button A 1:20 22 24 2 M 20 4 1. Press and release the lower right button repeatedly to 7:00 1:30 Hour hand 18 6 16 UTC 8 move the mode hand to point to [CAL]. 14 1:40 12 10 24 6:00 20 4 The calendar is indicated on the digital display. PM AM 1:50 16 8 12 0 24-hour hand PM 2:0 A TME CAL 2. Press and release the upper right button or lower left 5:00 SET TM Digital display H.R. R AL-1 4:30 UP button C repeatedly to indicate an area name you want on CHR MODE DOWN AL-2 2:30 00 : AL-3 4 Button M 0 :3 3 the digital display. 0 0 Button C 3: Mode hand 3. Pull out the lower right button M. The calendar indication on the digital display starts blinking and the calendar becomes adjustable. -
Circular Motion Review KEY 1. Define Or Explain the Following: A
Circular Motion Review KEY 1. Define or explain the following: a. Frequency The number of times that an object moves around a circle in a given period of time. b. Period The amount of time needed for an object to move once around a circular path. c. Hertz The standard unit of frequency. 1 cycle/second (or 1 revolution per second) d. Centripetal Force The centrally directed force that causes an object’s tangential velocity to change direction as it moves around a circle. e. Centrifugal Force The imaginary outward force which you feel as you go around a turn in a car. This “force” is a consequence of you being accelerating and your brain interpreting your tendency to move in a straight line as a force. 2. Which of the following is NOT a property of Centripetal Force? a. It is unbalanced b. It always has a real source c. It is directed outward from the center of the circle d. Its magnitude is proportional to mass e. Its magnitude is proportional to the square of speed f. Its magnitude is inversely proportional to the radius of the circle g. It is the amount of force required to turn a particular object in a particular circle 3. If an object is swung by a string in a vertical circle, explain two reasons why the string is most likely to break at the bottom of the circle. 1. The string tension needs to overcome the weight of the object to provide the needed centripetal force. 2. The object is moving the fastest at the bottom unless some force keeps the object at a constant speed as it moves around the circle. -
CLOCKS – TIMERS ASTROTECH QUARTZ CHRONOM E TERS SUPERCLOCK from a Fine Quality Instrument to Satisfy All Cockpit Clock/Timer Needs
CLOCKS – TIMERS ASTROTECH QUARTZ CHRO NOM E TERS SUPERCLOCK FROM A fine quality instrument to satisfy all cockpit clock/timer needs. 12 or 24 hour clock, 24 hour elapsed timer with time- ELECTRONICS INTERNATIONAL Displays local and Zulu time. May be set to display in a 12 out or hold feature, month and date. Will operate on internal or 24-hr format. A 10-year lithium battery keeps the clock CM battery for 2 years or can be connected to electrical system. running even if the aircraft battery is removed. Displays an 12 or 28V DC operation. Up Timer. This Timer will start running when the engine Part no. Model Description Price is started. In this manner the Timer acts as an automatic Flight Timer. 10-15508 LC-2 Panel Mount Aircraft Powered 14/28V . The Up Timer may be started, stopped or reset. A Recurring Alarm may 10-15515 LC-2 Aircraft Powered Panel Clock 28V . be set to alert you at appropriate time intervals. Example: If the alarm is WP 10-15512 LC-2A-5 King Air, 28 volts . set for 30 minutes, you will get an alarm at 30 minutes, 60 minutes, 90 10-15513 LC-2A-6 Beechcraft 28V Clock . minutes, etc. This alarm can be used to remind you to check your fuel 10-15514 LC-2E Embaraer 5V CLOCKClock . level or switch tanks at set time intervals. Displays a Down Timer. This 10-15507 LC-2P Central Wheel 14V A/C Powered . Timer counts down from a programmed start time. The Down Timer may NOTE: For Aircraft Application Information on Astrotech Chronometers visit be started, stopped or reset. -
Emerald Observatory Is an Ipad™ Application Which Displays a Variety of Astronomical Information
Emerald Observatory is an iPad™ application which displays a variety of astronomical information. It is similar in that way to our flagship products, Emerald Chronometer® and Emerald Chronometer HD, but designed from the start to take advantage of the iPad's larger display. Much of the supporting technology, including NTP (atomic time) and the highly accurate astronomical algorithms, was derived from Emerald Chronometer. Clock First of all, it's an ordinary clock. The main hands (gold colored) display the hours, minutes and seconds in the usual 12-hour format. To read it more precisely use the small numbers and tick marks on the inner edge of the rings. The thin central hand with the large white arrow head and the large white numbers and tick marks indicate the time in 24-hour format (with noon on top by default). Emerald Observatory's time may not exactly match the time in the iPad's status bar becausethe iPad's clock is often not very accurate whereas Emerald Observatory's time is synchronized with the international standard atomic clocks. This is usually accurate to about +/- 0.100 seconds. This is accomplished with the Network Time Protocol (NTP) so it must have a Net connection to get a sync. If the Net is not available, it will fall back to the internal clock's value. It is also possible to change the clock's time and to animate it at very high rates. See Set Mode, below. Moon In the upper left Emerald Observatory displays the Moon as it appears from the current location at the clock's time. -
Variable Time and the Variable Speed of Light Edward G
Variable Time and the Variable Speed of Light Edward G. Lake Independent Researcher August 14, 2018 [email protected] Abstract: Einstein’s Special and General Theories of Relativity state that time is a variable depending upon motion and gravity. The theories also state that the speed of light is variable. Einstein’s theories are being verified virtually every day. Yet, a few physicists still argue that time does not vary, and many physicists appear to inexplicably argue that Einstein’s theories state that the speed of light is invariable. This is an attempt to clarify what Einstein wrote and show how experiments routinely confirm that the speed of light is variable. Key words: Speed of Light; Time; Time Dilation; Relativity; Einstein. I. Measuring the speed of light. The fact that the speed of light is variable is demonstrated almost every day. No matter where you measure the speed of light, if you measure it correctly, you will get a result of 299,792,458 meters per second. Does this mean that the speed of light is the same everywhere? No. It means the speed of light per second is the same everywhere. And, according to Einstein’s Theories of Special and General Relativity, the length of a second can be different almost everywhere. That means that if you measure the speed of light to be 299,792,458 meters per second in one location, and if you also measure it to be 299,792,458 meters per second in another location, if the length of a second is different at those two locations, then the speed of light is also different. -
030-125-501 at & Tco Standard Issue 4, February 1979 BUILDING MASTER CLOCKS PRECISE TIME SETTING
BELL SYSTEM PRACTICES SECTION 030-125-501 AT & TCo Standard Issue 4, February 1979 BUILDING MASTER CLOCKS PRECISE TIME SETTING CONTENTS PAGE 2.02 Compare the master clock daily with one of the following references: 1. GENERAL 2. METHOD Operating Company precise time announcement 1. GENERAL machine 1.01 This section covers the method of setting Boston 617 637-1234 Eastern Time all building time reference sources to precise time. Newark 201 936-8181 Eastern Time 1.02 This section is being reissued to change the -+New York 212 936-1616 Eastern Time +- reference telephone number for the precise time announcement machine in Chicago and New Wash., D.C. 202 844-1212 Eastern Time York. Revision arrows are used to indicate the change. This reissue does not affect the Equipment -+ Chicago 312 936-3636 Central Time +- Test List. Detroit 313 472-1212 Eastern Time 1.03 All building time reference sources, such as master clocks and customer call timing devices, U.S. Bureau of Standards must be accurate at all times. Boulder, 303 499-7111 Greenwich 2. METHOD Colo. Mean Time 2.01 Designate one electric clock as a building master clock. Choose a clock with a sweep second hand and preferably one that is not affected by office routine emergency power transfers. Affix Note: Allowance must be made if your local a tag or plastic tape to the master clock stating: time zone differs from the above time zones. Choose a time reference geographically close Caution: Reset per Section 030-125-501. to your office. NOTICE Not for use or disclosure outside the Bell System except under written agreement Printed in U.S.A. -
Display Crown Operation How to Set Date How to Set Time
Display Day hand Hour hand Minute hand N → 1 → 2 Crown 24 hour hand Second hand Date hand Crown operation Crown position N : normal 1 : 1st click 2 : 2nd click Turn counterclockwise Time setting Crown Free for date change (Day change) How to set time and day of the week (1) Pull the crown out to the 2nd click position when the second hand is at the 12 o'clock position. (2) Turn the crown clockwise to advance the hour and minute hands until the day hand is set to the desired day of the week. - The day hand will not move back by turning the crown counterclockwise. - To advance the day hand quickly, turn back the hour and minute hands 4 to 5 hours beyond the point of the day change (between 11:00 p.m. and 4:00 a.m.), and then advance them again until the day hand is set to the next. (3) Turn the crown to set the hour and minute hands. Take a.m./p.m. into consideration when setting the hour and minute hands to the desired time. - The 24 hour hand moves correspondingly with the hour hand. - When setting the hour hand, check that the 24 hour hand is correctly set. - When setting the minute hand, advance it 4 to 5 minutes ahead of the desired time and then turn it back to the exact time. (4) Push the crown back to the normal position. How to set date (1) Pull the crown out to the 1st click position. (2) Turn the crown counterclockwise to set the date hand. -
Clinician Position in Relation to the Treatment Area
© Jones & Bartlett Learning, LLC © Jones & Bartlett Learning, LLC NOT FOR SALE OR DISTRIBUTION NOT FOR SALE OR DISTRIBUTION MODULE 2 © Jones & Bartlett Learning, LLC © Jones & Bartlett Learning, LLC NOT FOR SALEClinician OR DISTRIBUTION Position inNOT Relation FOR SALE OR DISTRIBUTION to the Treatment Area © Jones & Bartlett Learning, LLC © Jones & Bartlett Learning, LLC NOT FOR SALEModule OR DISTRIBUTION Overview NOT FOR SALE OR DISTRIBUTION The manner in which the seated clinician is positioned in relation to a treatment area is known as the clock position. This module introduces the traditional clock positions for periodontal instrumentation. © Jones & Bartlett Learning, LLC © Jones & Bartlett Learning, LLC NOT FOR SALE OR DISTRIBUTIONModule Outline NOT FOR SALE OR DISTRIBUTION Section 1 Clock Positions for Instrumentation 41 Section 2 Positioning for the RIGHT-Handed Clinician 43 © Jones & BartlettSkill Building. Learning, Clock LLCPositions for the RIGHT-Handed© JonesClinician, & p. Bartlett 43 Learning, LLC NOT FOR SALEFlow OR Chart: DISTRIBUTION Sequence for Practicing Patient/ClinicianNOT Position FOR SALE OR DISTRIBUTION Use of Textbook during Skill Practice Quick Start Guide to the Anterior Sextants, p. 47 Skill Building. Clock Positions for the Anterior Surfaces Toward, p. 48 © Jones & Bartlett Learning,Skill LLC Building. Clock Positions for© the Jones Anterior & SurfacesBartlett Away, Learning, p. 49 LLC Quick Start Guide to the Posterior Sextants, p. 50 NOT FOR SALE OR DISTRIBUTION NOT FOR SALE OR DISTRIBUTION Skill Building. Clock Positions for the Posterior Sextants, Aspects Facing Toward the Clinician, p. 51 Skill Building. Clock Positions for the Posterior Sextants, Aspects Facing Away From the Clinician, p. 52 © Jones & Bartlett Learning, LLC Reference Sheet:© Position Jones for & the Bartlett RIGHT-Handed Learning, Clinician LLC NOT FOR SALE OR DISTRIBUTIONSection 3 PositioningNOT for theFOR LEFT-Handed SALE OR DISTRIBUTION Clinician 54 Skill Building.