Citizen U680 User manual

この時計は、バンドをのぞくすべての修理が「メーカー修理」となり

ます。修理、点検の際は弊社お問い合わせ窓口へご依頼ください。

All parts of this watch, excluding the band, are to be repaired only

by CITIZEN. Please have all inspections and repairs at a customer

support center.

本表的所有零配件，除表带外，其余所有维修仅限在西铁城

公司进行。请在客户支持中心进行所有的检查和维修。

http://citizen.jp/

Cal.U680

HCR01 Cal. U680

取扱説明書

HCR01

CT065

②

HCR01-2

107

Thank you for your purchase of this Citizen watch.

Before using the watch, read this instruction manual carefully to ensure correct use.

After reading, be sure to store this manual in a safe place should it be needed for

future reference.

Visit the Citizen website (http://www.citizenwatch-global.com/) to view

visual guides for operation of your watch.

Some models may be equipped with external features (calculation scale,

tachymeter, etc.). Visual guides for operation of such external features can

also be found on the website.

To check the movement number

A case number− 4 alphanumeric characters and

6 or more alphanumeric characters−is engraved

on the case back. (Figure on the right)

The first 4 characters of the case number

represent the movement number of the watch.

In the example on the right, “

△△△△

” is

the movement number.

The engraving position may differ

depending on watch model.

108

Safety precautions (IMPORTAMT)

This manual contains the following instructions that should be strictly followed at all times to

prevent injury to yourself and other persons as well as damage to property.

Safety advisories are categorized and depicted in this manual as follows:

DANGER

WARNING

CAUTION

Can cause serious injury or death

Highly likely to cause death or serious injury

Can or will cause minor or moderate injury or damage

Warning (caution) symbol followed by instructions that should be followed or

precautions that should be observed

Warning (caution) symbol followed by prohibited matters.

Important instructions are categorized and depicted in this manual as

follows:

109

Protective Stickers

Be sure to remove any protective stickers that may be on your watch (case back,

band, clasp, etc.) Otherwise, perspiration or moisture may enter the gaps between the

protective stickers and the parts, which may result in a skin rash and/or corrosion of

the metal parts.

Band adjustment

We recommend seeking the assistance of an experienced watch technician for sizing

of your watch. If adjustment is not done correctly, the bracelet may unexpectedly

become detached leading to loss of your watch or injury.

Consult your nearest authorized Citizen Service Center.

110

■World Time Eco-Drive

Radio Controlled Watch ■

This watch is a radio controlled watch that receives standard time radio

waves broadcast from Japan, the USA, Europe (Germany) and China in

order to correct the time and date.

The radio controlled watch has no effect on the human body or medical equipment.

■Fully charge your watch before use by

exposing it to sufficient light ■

The second hand will move at 2-seconds intervals when the watch is insufficiently

charged. Charge your watch as indicated in “Guide to Charging Time” .

* Charge the watch in direct sunlight for a long time once a month.

111

• The illustrations shown in this manual may differ from the actual watch you have purchased.

Part Names (1)

Charge level indicator/

radio wave reception

indicator

Home time hour hand

Digital display 2

(Displays the home city)

Home time second

hand Mode hand

UTC hour hand UTC minute hand

Home time minute

hand

Button (B)

24-hour hand

Crown

Button (A)

Digital display 1

(Displays world city/

world time)

Crown for turning

the outside scale

112

Note: To assist in the explanation, all parts of the digital display are shown in the illustration.

Part Names (2): Digital Displays

[Digital display 2] [Digital display 1]

World city name

Morning: A

Afternoon: P

Chronograph

measurement mark

Timer measurement mark

Alarm setting mark

Daylight saving time setting

mark

Home city name

Insufficient charge

warning mark

World city time

Hour/minute/second

113

Part Names (3): Radio Wave Reception Display

NO: Signal reception failed RX: Reception in progress H, M, L: Reception level/

reception status

Modes where reception is

possible: CAL, TME and

RX-S

JPN: JJY (Japan)

USA: WWVB (USA)

EUR: DCF77 (Germany)

CHN: BPC (China)

114

Table of Contents

1. Your Watch .............................................................................................. 117

2. Before Use.............................................................................................. 120

 •CheckingtheReferencePosition ...................................................... 122

3. Basic Watch Operations ....................................................................... 124

Radio Signal Reception

4. Radio Signal Reception......................................................................... 126

5. Poor Reception Areas ........................................................................... 130

6. Display during Reception ..................................................................... 131

7. Confirming Reception Status ............................................................... 132

8. Reception Area Guidelines ................................................................... 134

9. World City Display ................................................................................. 138

115

Operations in Each Mode

10. Changing Mode...................................................................................... 142

11. Using Home Time and World Time....................................................... 144

12. Using Daylight Saving Time ................................................................. 146

13. Setting the Time (TME).......................................................................... 147

14. Setting the Calendar (CAL)................................................................... 151

15. Using the Timer (TMR) .......................................................................... 154

16. Using the Chronograph (CHR) ............................................................. 158

17. Using the World Time Setting (WT-S) .................................................. 160

18. Using the World Time Alarm (AL-1 and 2)........................................... 164

19. Using the Receive Setting (RX-S) ........................................................ 166

20. LED Lights.............................................................................................. 170

21. Resetting Your Watch............................................................................ 170

22. Adjusting the Reference Position ........................................................ 172

Solar Power

23. Solar Power Function............................................................................ 176

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