Citizen AD2992-59P Reference Manual
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Citizen AD2992-59P Reference Manual

Citizen ad2992-59p: reference guide
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Enhanced Features and
Functions Guide

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Summary of Contents for Citizen AD2992-59P

  • Page 1 Enhanced Features and Functions Guide...
  • Page 2 Some models have multiple functions. There may be some discrepancy between the illustrations shown and the appearance of your watch, however the method of operation will remain the same. 1. Tachymeter, speed calculation ... 4 2.

  • Page 3: How To Use The Tachymeter

    Lay the watch horizontally and align the hour hand of the watch with the direction of the sun. The middle point between the alignment of the sun with the hour hand, and the 12 o’clock position on the dial, approximately indicates South.

  • Page 4: How To Use Rotating Bezel

    3. How to use the Rotating Bezel to measure time <To check the elapsed time> Align the zero mark “ ” of the rotating bezel with the position of the minute hand. Then, read the scale above the rotating bezel, to which the minute hand points so as to figure out the elapsed time.

  • Page 5: How To Use Calculator Function

    4. How to use the calculator function Note: In some models, the inner and outer scales are opposite. Be sure to make the appropriate substitutions to the following instructions. 4-1. Simple Calculations [How to do multiplication] Q : 20 × 15 A : Adjust 20 of the outer scale until it points to 10 of the inner scale.
  • Page 6 [How to do division] Q : 250 ÷ 20 A : Adjust 25 of the outer scale until it points to 20 of the inner scale. You can read the digit 12.5 from of the scale of the outer scale corresponding to 10 of the inner scale and get the answer 12.5.
  • Page 7 [How to convert volume between different units of measurement] You can convert fuel between Pounds (lbs), U.S Gallons, Imperial Gallons or Liters. Q : How much is 13.1 lbs of fuel if it is converted into U.S.Gallons, Imperial Gallons and Litres respectively? (1 FUEL.LBS is 0.167 U.S.GAL / 0.139 IMP.GAL /...
  • Page 8 [How to convert distance between the different units of measurement] You can convert between Kilometers, Nautical Miles and Statute miles. Q : How many Kilometers and Nautical Miles are equivalent to 1 Statute Mile? A : Adjust the “” of 10 of the outer scale until it points to the “” of STAT of the inner scale.
  • Page 9 4-2. How to use the motor sports function [Calculation of time needed to reach a set distance] Q : How long does it take for a vehicle travelling at a speed of 80km to travel 400km? A : Align 80 of the outer scale with the SPEED INDEX“” of the inner scale. Result: 5 Hours (5.00) of the inner scale correspondes to 40 of the outer scale.
  • Page 10 [Calculation of driving distance] Q : Supposing that the speed is 60km/hour, what distance will a vehicle travel in 1 hour and 20 minutes? A : Align 60 of the outer scale with the SPEED INDEX “” of the inner scale. Result: 80km corresponding to 1:20 of the inner scale can be figured out.
  • Page 11 [Calculation of fuel consumption] Q : How much fuel is needed for a vehicle to run 5 hours if the fuel consumption rate of that vehicle is 7 liters per hour? A : Align 70 of the outer scale with the “” of SPEED INDEX of the inner scale. Result: 35 liters - 35 corresponds to 5.
  • Page 12 4-3. How to use the aviation function [Calculation of time needed to travel a set distance] Q : If the speed of an aircraft is 180 knots, how much time does it take the aircraft to fly 450 nautical miles? A : Align 18 of the outer scale with the SPEED INDEX “”...
  • Page 13 [Calculation of fuel consumption rate (consumption per hour)] Q : If the flight time is 30 minutes and 120 gallons fuel is consumed, what is the fuel consumption rate? A : Align 12 of the outer scale with 30 of the inner scale. Result: 240 gallons per hour - 24 corresponding to the SPEED INDEX “”.
  • Page 14 [Calculation of the flight time] Q : If an aircraft consumes 220 gallons per hour, how many hours can it fly when consuming 550 gallons fuel? A : Align 22 of the outer scale with the “” of SPEED INDEX of the inner scale. Result: Two hours and thirty minutes - 2:30 corresponds to 55 of the outer scale.
  • Page 15 <Using the rotating bezel to determine Wind Direction> • Before a race, determine the direction of the wind from the direction and position of the windward mark. Line up the number representing the wind direction (in degrees) on the bezel with the triangle “” mark at 12 o’clock.
  • Page 16 If the course steered falls to the minus (-) side of the white line on the watch, you know it is favorable to cross the start/finish line on a heading from the opposite direction.

  • Page 17: World Time

    6. World Time The rotating bezel (or dial ring), may feature the names of major city around the world in the sequence of time difference. The approximate time of all the Hour hand major cities can be determined by using the rotating bezel. Example: Perhaps you want to know the time of Paris while in Tokyo.

  • Page 18: Unit Indicated On Slide Rule

    Terms for units indicated on slide rules and their explanations Category Unit indicated on slide rule Short for“nautical mile” NAUT. 1 NAUT.=1.852㎞（approx. 6,076 feet） Short for“statute mile” STAT. 1STAT.=1.609㎞（5,280 feet） Short for“kilometer” 1㎞ = 3,280 feet Short for“feet” 1liter = 0.264 U.S. gallon LITERS.

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