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Citizen JY8051-08E - User Manual

Citizen JY8051-08E
60 pages
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1
Table of Contents
1. Your Watch ................................................................................................. 9
2. Before Use ................................................................................................ 12
• Checking the Reference Position......................................................... 14
3. Basic Watch Operations.......................................................................... 16
Radio Signal Reception
4. Radio Signal Reception ........................................................................... 18
5. Poor Reception Areas.............................................................................. 23
6. Display during Reception........................................................................ 24
7. Confirming Reception Status.................................................................. 26
8. Reception Area Guidelines...................................................................... 28
9. World City Display.................................................................................... 34
10. Charge Level Display............................................................................... 40
English

Questions and Answers

  • K
    kristinrobinsonAug 8, 2025
    Why has my Citizen Watch stopped working?
    • R
      Rodney CampbellAug 8, 2025
      If your Citizen watch has stopped, the charge level indicator might be at level 0. To resolve this, charge the watch sufficiently until the charge level indicator reaches level 3, as indicated in 'Guide to Charging Time'.
  • A
    Alex MorrowAug 23, 2025
    What to do if the hands or digital displays on my Citizen Watch are abnormal?
    • D
      Donna RiveraAug 23, 2025
      If your Citizen watch hands or digital displays are acting abnormally, try resetting the watch.
  • A
    Anthony KellyAug 31, 2025
    Why is the second hand on my Citizen Watch moving in 2-second intervals?
    • L
      Lori MartinAug 31, 2025
      If the second hand on your Citizen watch is moving in 2-second intervals, it could indicate a low charge. Charge the watch sufficiently until the charge level indicator reaches the fully charged level. Alternatively, 'ERR' might be displayed in digital display 1, in this case you should reset the watch and then correct the reference position.
  • K
    Kimberly PierceNov 14, 2025
    Why is my Citizen JY8051-08E Watch not receiving radio signals?
    • S
      Sherry PalmerNov 14, 2025
      If your Citizen Watch isn't receiving radio signals, several factors could be at play. First, ensure that the home city setting (digital display 2) corresponds to your current reception area by checking the map and adjusting the setting accordingly. Additionally, obstructions or electronic noise could interfere with signal reception; try moving away from potential sources of interference and orient the watch with the 9:00 position facing the radio signal transmitter. Avoid moving the watch while it is receiving a signal. If the second hand is moving at 2-second intervals, charge the watch sufficiently by placing it in direct sunlight. Make sure that the mode is set to TME, CAL, or RX-S by pulling the crown out to position 1 and setting the mode accordingly. If the reception status is NO, c...

Summary

1. Your Watch

Radio Signal Reception

Explains how the watch receives radio waves to automatically correct time and date.

World Time and Solar Power

Describes displaying and setting time for 43 cities worldwide for travel convenience.

2. Before Use

Checking the Reference Position

Guide on verifying and setting the watch hands to their correct zero position.

3. Basic Watch Operations

Initial Setup and Operations

Steps for checking charge, setting home city, time, and digital display.

4. Radio Signal Reception

Reception Methods and Procedures

Details automatic, on demand, and recovery reception, including signal receiving steps.

5. Poor Reception Areas

6. Display during Reception

7. Confirming Reception Status

8. Reception Area Guidelines

9. World City Display

City Assignment and Time Differences

Details how cities are assigned to transmitters and their time differences.

10. Charge Level Display

11. Changing Mode

12. Using Home Time and World Time

Switching Home and World Time

Guide on how to swap the home city time with the world city time.

13. Using Daylight Saving Time

Setting Daylight Saving Time

Instructions for automatic and manual setting of daylight saving time.

14. Setting the Time (TME)

Manual Time Correction

Procedure for setting the watch time manually when radio reception is unavailable.

15. Setting the Calendar (CAL)

Manual Date Correction

Steps to manually set the month, date, and year on the watch.

16. Using the Timer (TMR)

Timer Setup and Usage

How to set the timer and operate it for countdown measurements.

17. Using the Chronograph (CHR)

Chronograph Operation

Details on using the chronograph for measuring time intervals, including split times.

18. World Time Setting (WT-S)

City and DST Settings

Guide to setting daylight saving time and showing/hiding cities for world time.

19. World Time Alarm (AL-1 and 2)

Setting and Checking Alarms

Instructions for setting and checking alarms for specific cities and times.

20. Receive Setting (RX-S)

Reception Settings Configuration

Configuration for automatic time updates and daylight saving time reception.

21. LED Lights

22. Resetting Your Watch

Resetting and Reference Position

Procedure for resetting the watch and correcting its reference position.

23. Adjusting the Reference Position

Using the Slide Rule Bezel

Basic Operation and Measurement

Explains bezel operation and measuring elapsed/remaining time.

Navigation Calculations

Details using the slide rule for navigation tasks like time, speed, and distance.

General Calculation Functions

Covers basic math operations like multiplication, division, and square roots with the slide rule.

24. Solar Power Function

Ensuring Optimal Operation

Tips for keeping the watch charged and functioning correctly using solar power.

25. Solar Powered Watch Characteristics

Power Saving and Low Charge Features

Describes power saving modes, low charge indicators, and charging guidelines.

Troubleshooting

Radio Signal Reception Issues

Addresses problems like no signal reception and suggests remedies.

Watch Operation Issues

Solutions for incorrect time, stopped watch, and abnormal displays.

26. Specifications

Technical Specifications and Functions

Lists technical specifications, display functions, and additional features of the watch.

Citizen JY8051-08E Specifications

General IconGeneral
BrandCitizen
ModelJY8051-08E
CategoryWatch
LanguageEnglish

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