Citizen H486 User Manual
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Citizen H486 User Manual

Citizen H486 User Manual

Citizen analogue solar powered watch
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Repairs
All repairs performed on this watch, with the exception of repair of the band, are to be
performed at CITIZEN. This is because special technologies and equipment are
required to perform repairs, inspections and adjustments. Please make requests for
repairs to Citizen Service Center when having your watch repaired.
137

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Summary of Contents for Citizen H486

  • Page 1 Repairs All repairs performed on this watch, with the exception of repair of the band, are to be performed at CITIZEN. This is because special technologies and equipment are required to perform repairs, inspections and adjustments. Please make requests for...
  • Page 2 W W This radio wave watch receives standard time radio Second hand signals broadcast in the People’s Republic of China in order to adjust the time and date.W W Minute hand Hour hand • Only standard time radio signals broadcast from in the People’s Republic of China Button (B) (BPC) are received.

  • Page 3: Table Of Contents

    Table of Contents Correcting the Time Difference................164 12. Adjusting the Reference Position .............. 166 1. Your Watch....................142 2. Operating the Crown ................. 143 Troubleshooting ..................... 168 3. Before Use ....................144 A. Check the Movement of the Second Hand .......... 144 Solar Power B.

  • Page 4: Your Watch

    1. Your Watch 2. Operating the Crown There are two models available for the crown: normal and screw lock. <Radio Signal Reception Function> <Operating the Screw Lock Crown> This watch automatically receives standard time radio signals broadcast from radio signal •...

  • Page 5: Before Use

    3. Before Use A. Check the Movement of the Second Hand Your watch is The second hand correctly receiving shows H, M, L as Check the the standard time a reception The second hand is reception radio signal. status. moving at 1-second status by Check the It is ready to use.

  • Page 6: Check The Reference Position

    B. Check the Reference Position [Checking the Reference Position] Correct reference position indication Before using the watch, check that the hands are aligned with “0”, similar to when setting weighing scales Time: 00:00:00 i The reference position may become misaligned by environmental factors such as Date: Between 31 and 1 magnetism, static electricity or an external impact.

  • Page 7: Functions List

    4. Functions List Function Button or Crown Operation Hand Movement On Demand Reception Press and hold button (A) for more The second hand will stop in the RX position and then move to the H, M or L level. If the reception level is (P.

  • Page 8: Radio Signal Reception

    On demand reception Radio Signal Reception (Manual reception) • Signals can be received at any time in this mode. 5. Reception * Not possible when the radio wave is interrupted. Use this function when regular automatic reception is impossible due to changes in the Three types of radio signal reception are possible: regular automatic reception, on reception environment.

  • Page 9: Poor Reception Areas

    5. Do not move the watch during reception. 6. Poor Reception Areas 6. When the signal has been properly received, the second hand will automatically It may be difficult to properly receive the radio signals under certain environmental move from H, M or L to the time that was received, all the hands will be adjusted, conditions or in areas susceptible to radio noise.

  • Page 10: Position Of The Second Hand During Reception

    7. Position of the Second Hand During Reception 8. Confirming Reception Status [Reception standby] [Receiving signal] [Reception completed] i The reception status can be confirmed. Step 1: Press button (A) once to confirm the reception status. The second hand will move to H, M, L or NO.

  • Page 11: Reception Area Standards

    9. Reception Area Standards The map shows a standard of the reception area. However, note that the signal condition could change due to factors including the weather (such as lightning) and changes in the season or sunrise/sunset time. The reception area on the map should be used only as a standard, and it may be difficult to receive the radio signal even within the areas indicated on the map.

  • Page 12: Manually Setting The Time And The Date

    Step 3: Press button (A) once to enter the hour hand/date Manually Setting the Time and the Date adjustment mode. (1) Rotate the crown clockwise by one click to 10. Setting the Time move the hour hand ahead by 1 hour. (2) Rotate the crown counterclockwise by one When using the watch in an environment where radio signals cannot be received, manually click to move the hour hand back by 1 hour.

  • Page 13: Setting The Calendar

    11. Setting the Calendar <Reading the Month and Year (Elapsed Years after the Most Crown in Recent Leap Year) with the Second Hand> position 1 <Procedure for Month and Year * Reading the Month Shown by the zone (Elapsed Years after the Most Second Hand Recent Leap Year) Adjustment>...
  • Page 14 Quick reference for the elapsed years after the most recent leap year Example: • April of the 3 year after the most recent leap year Year Elapsed years Year Elapsed years Year Elapsed years Read the elapsed years after the most recent leap year from the quick reference for the 2004 Leap year 2008...

  • Page 15: Correcting The Time Difference

    Step 3: Press button (B) once after setting the time difference to return to 1-second interval Correcting the Time Difference movement. Alternatively, do not perform any operations for 10 seconds and the watch will indicate the time difference setting time and then return to 1-second The watch can be adjusted to the local time when going to an area in a different time zone, interval movement.

  • Page 16: Adjusting The Reference Position

    12. Adjusting the Reference Position Step 3: Press button (A) once and turn the crown to set the minute and second hands. (1) Turn the crown clockwise by 1 click to rapidly move the second hand ahead by 1 minute and turn it counterclockwise to move it back. <Adjusting the Reference Position for the Date and Hands>...

  • Page 17: Troubleshooting

    Troubleshooting <Radio Signal Reception Function> Consult the following chart: Problem Check Remedy Problem Check Remedy Radio signals • Radio waves may be • Try to receive the wave again after a Radio signals • Are there objects nearby that • Avoid objects that block radio cannot be interrupted occasionally due to cannot be...
  • Page 18 Problem Check Remedy Problem Check Remedy Radio signals • Is the watch moving at 2- • The watch changes to 2-second The watch can • Is the reference position set • Even if radio signals are received, if cannot be second intervals? interval movement if the battery receive the radio...

  • Page 19: Solar Power

    Solar power 13. Solar Power Function j Charge watch by exposing the watch face to direct sunlight or to a fluorescent lamp. This watch uses a secondary battery to store electrical energy. j Wearing clothes with long sleeves makes it difficult When the watch is fully charged, it will maintain its accuracy for about 6 months.

  • Page 20: Characteristics Of The Solar Powered Watch

    14. Characteristics of the Solar Powered Watch * 1. The watch stopped due to insufficient charging. • It takes at least 30 minutes to recharge sufficiently to perform automatic reception recovery, even if the watch is being exposed to light. After recovery, refer to “Guide to Charging Time”...

  • Page 21: Power Saving Function

    A. Power Saving Function <Turning Off the Power Saving Function> The power saving mode will be automatically canceled when the watch face is exposed If the watch face is kept in a place with no light for 1 week, the hands will stop at the to light.

  • Page 22: Insufficient Charge Warning Function

    B. Insufficient Charge Warning Function C. Overcharging Prevention Function The second hand’s movement changes from No matter how much the watch is charged, it will not affect the secondary battery, 1-second intervals to 2-second intervals to timekeeping, functions or performance of the watch. show that the watch is insufficiently charged.

  • Page 23: Guide To Charging Time

    D. Guide to Charging Time For a 1-day movement charging time The charging time to run the watch for one day with normal movement. The charging time varies according to the model (including the color of the watch face). Time for full charging The following should only be used as a guideline.

  • Page 24: Handling Your Solar Powered Watch

    E. Handling Your Solar Powered Watch CAUTION Charging Precautions j Do not charge the watch in a high-temperature environment (about 60°C/140°F or WARNING Handling the Secondary Battery more). j Do not remove the secondary battery from the watch yourself, unless unavoidable. Overheating while charging can cause the watch exterior to become discolored, the If you must remove the battery, store it out of reach of children to avoid accidental watch to deform or the movement to be damaged.

  • Page 25: Using The Slide Rule Bezel

    15. Using the Slide Rule Bezel A. Navigation Calculator 1. Calculation of time required Flying distance and other navigation Problem: How long does it take an airplane flying at 180 knots to fly a distance of 450 Inside scale calculations as well as general nautical miles? calculations can be performed using the Solution: Set the 18 mark on the outside scale to the SPEED INDEX (Y).
  • Page 26 2. Speed (Ground Speed) Calculation 3. Flying distance calculation Problem: What is the speed (ground speed) of an airplane when it takes 1 hour and 20 Problem: What is the flying distance traveled in 40 minutes at a speed of 210 knots? minutes to fly a distance of 240 nautical miles? Solution: Align the 21 on the outside scale with the SPEED INDEX (Y) of the inside Solution: Align the 24 on the outside scale with 1:20 (80) on the inside scale.
  • Page 27 4. Fuel consumption rate calculation 5. Fuel consumption calculation Problem: If 120 gallons of fuel are consumed in 30 minutes’ flying time, what is the Problem: How much fuel is consumedin 6 hours at a fuel consumption rate of 250 fuel consumption rate? gallons per hour? Solution: Align the 12 of the outside scale with 30 of the inside scale.
  • Page 28 6. Maximum flying hours 7. Conversion Problem: With a fuel consumption rate of 220 gallons per hour and a fuel supply of Problem: How do you convert 30 miles into nautical miles and kilometers? 550 gallons, what is the maximum number of flying hours? Answer: Align the 30 on the outside scale with the STAT (Y) mark on the inside Solution: Align the 22 of the outside scale with the inside scale’s SPEED INDEX (Y) scale.
  • Page 29 B. General calculation functions 2. Division Problem: 250/20 1. Multiplication Solution: Align 25 on the outside scale with 20 on the inside scale. On the outside Problem: 20 scale read the 12.5 mark that is aligned with on the inside scale. figure Solution: Align 20 on the outside scale with on the inside scale, and read the the number of decimal places, and the answer is 12.5.
  • Page 30 3. Reading Ratios 4. Determining Square Root Problem: 30/20 = 60/x Problem: What is the square root of 225? Solution: Align 30 on the outside scale with 20 on the inside scale. At this time, the Solution: Rotate the scales so that the value on the inside scale corresponding to 22.5 answer of 40 can be read from the inside scale corresponding to 60 on the on the outside scale is equal to the value on the outside scale corresponding outside scale.

  • Page 31: Precautions

    16. Precautions For correct use within the design limits of the watch, confirm the level of water- resistance of your watch, as indicated on the dial and case, and consult the table. WARNING: Water-resistance performance There are several types of water-resistant watches, as shown Examples of use in the following table.
  • Page 32 NOTE: Avoid using solvents (thinner, benzine, etc.), as they may damage the finish. become clear within a day, immediately take the watch to your dealer or Citizen Service Center for repair. Leaving the watch in such a state will allow corrosion to form inside.
  • Page 33 Other parts need to be inspected and replaced if necessary. • Do NOT place the watch close to a magnet. Ask for Citizen geuine parts upon replacement. Timekeeping will become inaccurate if you place the watch close to magnetic health equipment such as a magnetic necklace or a magnetic latch of a refrigerator door or handbag clasp or the earphone of a mobile phone.

  • Page 34: Specifications

    17. Specifications • Reference position checking/adjustment function • Solar power function • Power saving function 1. Cal. No.: H486 • Insufficient charge warning function (2-second interval movement) 2. Type: Analogue Solar Powered Watch • Overcharging prevention function 3. Time accuracy: Without reception (when watch is not receiving a radio signal) •...

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