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Citizen JY8085-14H User Manual

Citizen JY8085-14H
60 pages
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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:

Citizen JY8085-14H Specifications

General IconGeneral
BrandCitizen
ModelJY8085-14H
MovementEco-Drive
Water Resistance200 meters
Case MaterialStainless Steel
Dial ColorBlack
CrystalSapphire
FeaturesChronograph
Band MaterialStainless Steel
FunctionsWorld Time
Case Diameter45 mm

Summary

Your Watch

World Time Eco-Drive Radio Controlled Watch

Describes the watch as a radio controlled, world time, Eco-Drive model.

Before Use

Checking the Reference Position

Instructions on verifying watch hands alignment with the reference position.

Basic Watch Operations

Radio Signal Reception

Automatic reception

Details on the watch's automatic radio wave reception process.

On Demand Reception

Procedure for manually receiving radio signals to set time and date.

Recovery Automatic Reception

Process for automatic reception after the watch stops due to insufficient charge.

Poor Reception Areas

Display during Reception

Confirming Reception Status

Reception Area Guidelines

World City Display

Cities and the standard time radio wave assignment

Mapping of cities to specific radio wave transmitters for time synchronization.

Table of UTC Time Differences

List of cities, their UTC time differences, and assigned radio wave transmitters.

Charge Level Display

Checking the charge level display

Explanation of the watch's four-grade charge level indicator.

Changing Mode

Mode names

Overview of the watch's eight operational modes.

Using Home Time and World Time

Switching between home time and world time

Procedure for swapping home and world time displays for travel.

Using Daylight Saving Time

What is daylight saving time?

Definition and purpose of daylight saving time systems.

Setting the daylight saving time

Methods for activating or deactivating daylight saving time settings.

Setting the Time (TME)

Correcting the time

Manual procedure for setting the watch's time using the digital display.

Setting the Calendar (CAL)

Correcting the date

Manual procedure for setting the watch's date using the digital display.

Using the Timer (TMR)

Setting the timer

Steps for configuring the timer function, including setting the time.

Using the timer

Instructions on operating the timer, including start, stop, and reset functions.

Using the Chronograph (CHR)

Using the chronograph

Guide to operating the chronograph for time measurement.

Using the World Time Setting (WT-S)

"Daylight saving time" and "Show/hide city" settings

Configuring daylight saving time and city visibility for world time display.

Setting the desired time difference

Procedure to manually set time differences for user-defined cities.

Using the World Time Alarm (AL-1 and 2)

Setting the alarm time

Steps for setting the time, city, and activation status for alarms.

Using the Receive Setting (RX-S)

Daylight saving time reception setting

Selecting automatic update of daylight saving time via radio wave reception.

Automatic reception setting

Configuring the watch's automatic radio wave reception schedule.

LED Lights

Resetting Your Watch

Initial settings after resetting

Details on default settings after a watch reset operation.

Resetting procedure

Step-by-step guide to reset the watch to its factory default state.

Adjusting the Reference Position

Using the Slide Rule Bezel

Operation method

How to use the rotating bezel for calculations and measurements.

Measuring the elapsed time

Using the bezel to estimate elapsed time intervals.

Measuring remaining time

Using the bezel to estimate time remaining until a target time.

A. Navigation Calculator

Instructions for using the bezel for navigation-related calculations.

B. General calculation functions

Multiplication

Using the slide rule bezel for performing multiplication.

Division

Using the slide rule bezel for performing division.

Reading Ratios

Using the slide rule bezel to determine ratios and solve proportional problems.

Determining Square Root

Using the slide rule bezel to calculate square roots.

Solar Power Function

Ensuring best operation of the watch

Tips for optimal performance and charging of the solar-powered watch.

Characteristics of the Solar Powered Watch

Normal display

Describes the standard display when the watch has sufficient charge.

Insufficient charge warning

Indicates the watch's behavior when charge level is low.

Recovery automatic reception

How the watch behaves after recharging and receiving a signal.

Power Saving Function

Normal display

Standard display mode before power saving is activated.

Power saving 1

Description of the first level of power saving, turning off digital displays.

Power saving 2

Description of the second level of power saving, stopping the hands.

Canceling the power saving function

How to exit power saving mode by exposure to light.

Insufficient Charge Warning Function

Overcharging Prevention Function

Guide to Charging Time

Handling Your Solar Powered Watch

WARNING Handling the secondary battery

Safety warnings and procedures regarding the watch's secondary battery.

WARNING Do not use anything other than the specified secondary battery

Warning against using incorrect or non-specified batteries.

CAUTION Charging precautions

Important safety advice for charging the watch to prevent damage.

Troubleshooting

Radio Signal Reception Function

Common problems and solutions related to radio signal reception.

Eco-Drive

Troubleshooting tips for issues related to the watch's solar power system.

Precautions

WARNING: Water-resistance performance

Information on the watch's water resistance levels and usage limitations.

CAUTION: Keep your watch clean.

Advice on cleaning the watch to maintain its condition and functionality.

Cleaning the Watch

Detailed instructions for cleaning different parts of the watch.

CAUTION: Operating environment

Specifications

5. Display functions

Overview of the various information displayed on the watch's analog and digital screens.

[Analog areas]

Description of information shown in the watch's analog display sections.

[Digital areas]

Description of information shown in the watch's digital display sections.

6. Additional functions

List of extra features and functionalities available on the watch.

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