Citizen F900 User manual

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1

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INSTRUCTION MANUAL

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.

Thank you for your purchase of this Citizen watch.

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

correct use.

After reading the manual, store it in a safe place for future reference.

Be sure to visit the Citizen website at http://www.citizenwatch-global.com/ .

Here you will find a variety of information such as electronic setting guides,

answers to frequently asked questions, Eco-Drive recharging information and

more.

Engraving position example

The engraving position may

differ depending on watch

model.

1

Safety precautions — IMPORTANT

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

not only for optimal use, but to prevent any injuries to yourself, other persons or

property. We encourage you to read the entire booklet (especially, pages

98

to

111

)

and understand the meaning of the following symbols:

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

DANGER

Highly likely to cause death or serious injury

WARNING

Can cause serious injury or death

CAUTION

Can or will cause minor or moderate injury or damage

2

■ Important instructions are categorized and depicted in this manual as follows:

(Following symbols are examples of Pictograms.)

Warning (caution) symbol followed by prohibited matters.

Warning (caution) symbol followed by instructions that should be

followed or precautions that should be observed.

Safety precautions

3

4

■

Light-Level Indicator

Indicates current power generation amount in 7 levels.

It can be used as a reference for choosing a good charging place.

■

Eco-Drive

Never needs a new battery. This watch is fueled by light.

Features

■

Satellite Wave-GPS

Receives location and time information sent from

GPS satellites and adjusts the time and calendar on

the watch automatically.

5

* “Eco-Drive” is an original technology of Citizen.

Features

■

World time

Indicates the time around the world by choosing one of 40 time zones.

■

±5-second average monthly accuracy

Keeps high accuracy without time signal reception.

■

Dual time

Shows two different times in parallel—home time and local time.

The two times can be interchanged easily.

■

Chronograph

Measures up to 24 hours in 1/20 second increments.

■

Alarm

Sounds at the time set every day.

■

Perpetual calendar

No need for monthly and leap-year date correction until February 28, 2100.

6

CONTENTS

Before using this watch..........................

10

Band adjustment........................................

11

Protective stickers.......................................

11

How to use a specially designed crown/button...........

12

Component identification........................

14

About dual time indication ..............................

16

Changing the mode .............................

17

Checking the power reserve and power generation

amount ......................................

24

Checking the power reserve.............................

25

Checking power generation amount

(Light-Level Indicator) .................................

28

7

CONTENTS

Checking the reception result of the satellite signal..

31

Setting the world time ..........................

33

Checking the time zone setting for the home time .......

34

Obtaining location information from satellite signals .....

40

Setting the time zone manually. . . . . . . . . . . . . . . . . . . . . . . . . .

42

Interchanging the home time and local time.............

44

Receiving time information ......................

45

Setting daylight saving time .....................

52

Using the chronograph ..........................

56

Using alarm....................................

58

Continued on the next page

8

CONTENTS

Charging your watch ............................

62

Information on satellite signal reception ...........

68

Checking and adjusting leap second setting .............

73

Checking and adjusting the rollover number setting .....

76

Adjusting the time and calendar manually .........

80

Checking and correcting the reference position .....

86

9

Troubleshooting ................................

90

Eco-Drive watch handling precautions .............

98

Water resistance...............................

102

Precautionary items and usage limitations ........

105

Specifications .................................

112

CONTENTS