Citizen YF05 Instruction Manual Download Page 1

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CITIZEN YF05

 Instruction manual

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 

https://www.citizenwatch-global.com/ 

. Some models may be equipped with enhanced features functions such as slide rules and tachymeters. 

You can also see how to use such features and functions, which is not covered with the instruction manual, in the web site.

ENGLISH

To check the movement number

A case number—4 alphanumeric characters and 6 or more alphanumeric 

characters—is engraved on the case back.

The first 4 characters of the case number represent the movement number of the 

watch.  

In the example, “       ” is the movement number.

The engraving position may 

differ depending on watch 

model.

Engraving position 

example

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, page 

9

) 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

 

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.

Features

Connection with a smartphone through the dedicated app

Time and calendar are synchronized with those on the smartphone.
To get the dedicated app, access a download site of apps for your 
smartphone.

Built-in activity monitor

The watch records your activity and you can see its data on the 
dedicated app.

User-configurable buttons

You can assign three of the functions below to the buttons of the watch 
as you want by setting it on the dedicated app.
• Taking a picture
• Indicating the second timezone (local time)
• Indicating notifications
• Indicating the date
• Changing the mode
• Searching the smartphone
• Play/pause music
• Turning up the volume
• Turning down the volume
• Recording the progress of activity achievement
• Indicating estimated arrival/travel time

CONTENTS

Safety precautions — IMPORTANT ..........................................

1

Features .................................................................................

1

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

2

Connection with the smartphone ...........................................................

2

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

2

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

2

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

2

Before connecting with a smartphone .....................................

2

Requirements for connection..................................................................

2

Execute pairing with the smartphone ......................................

2

Executing pairing ...................................................................................

2

About synchronization ............................................................

3

Time reception .......................................................................

3

The activity monitor ...............................................................

3

The screen of the dedicated app ..............................................

4

[Home] screen ........................................................................................

4

[Customization] screen ...........................................................................

4

[Alerts] screen ........................................................................................

4

[Profile] screen .......................................................................................

4

Checking the status of the watch connected ............................

4

Assigning functions to the buttons of the watch ......................

5

Using the buttons as a set .......................................................................

5

Indication of the function hand (small hand) ...........................

6

Setting alarm .........................................................................

6

Setting notification ................................................................

7

 Checking and correcting the reference position .......................

7

Battery replacement ...............................................................

8

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

8

About Bluetooth .....................................................................

9

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

9

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

9

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

10

Summary of Contents for YF05

Page 1: ...ymbol followed by prohibited matters Warning caution symbol followed by instructions that should be followed or precautions that should be observed Features Connection with a smartphone through the de...

Page 2: ...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 meta...

Page 3: ...as change of settings are accompanied with data synchronization Swiping down the Home screen also starts data synchronization Swipe Time reception This watch receives time information from your smart...

Page 4: ...battery remaining of the watch Canceling pairing and logging out are also executed on the screen Battery remaining of the watch Checking the status of the watch connected 1 Start the dedicated app The...

Page 5: ...ction you want to assign on the bottom of the screen You can choose one from the functions below MODE TOGGLE Each time you press the button the indication of the watch switches in the following order...

Page 6: ...COND TIMEZONE and DATE are assigned to the buttons of the watch and a corresponding is pressed They are also indicated when using a watch button on which the MODE TOGGLE function is assigned ALARM is...

Page 7: ...on the upper right of the screen to finish the procedure Tap X on the left to cancel setting Changing vibration strength setting You can change vibration strength by Vibration Strength on WATCH SETTIN...

Page 8: ...ed app The WATCH SETTINGS screen appears Tap Remove Watch to cancel pairing After that remove the name of the watch you currently use on the Bluetooth setting of your smartphone Time calendar Cannot a...

Page 9: ...raded everyday use water resistant watch W R 5 bar Water resistant to 5 atmospheres OK OK NO NO NO NO W R 10 bar W R 20 bar Water resistant to 10 and 20 atmospheres OK OK OK NO NO NO Precautionary ite...

Page 10: ...vices and so on Strong Shock Avoid dropping the watch or subjecting it to other strong impact It may cause malfunctions and or performance deterioration as well as damage to the case and bracelet Stat...

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