Citizen YF20 Instruction Manual
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Citizen YF20 Instruction Manual

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ENGLISH
Thank you for your purchase of this product.
Before using the watch, read this instruction manual carefully to ensure correct use.
Accessing the latest information (Cal. No.: YF20)
You can access the latest information of this watch using the QR code.
https://www.citizenwatch-global.com/support/html/en/yf20/yf20.html
• Access also here to see notices.
• You can also see how to use enhanced features and
functions such as slide rules and tachymeters on the web
site. It depends on models whether they are equipped with
enhanced features and functions or not.

Safety precautions

"Precautions" provided with the product 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.
Make sure to read it through before using the product.

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 and heart rate sensor
The watch records your activity and heart rate and you can see their
data on the dedicated app.
User-configurable buttons
You can assign two functions to the buttons of the watch as you want
by setting them on the dedicated app.
• [ADD FEATURES]
• [WORKOUT MODE]
• [WELLNESS DASHBOARD]
• [STOPWATCH]
• [NOTIFICATIONS]
Permanent indication on the display
The watch is equipped with an electronic paper display. It can always
indicate up to 4 items you choose from the information items below.
• [ADD FEATURES]
• [SECOND TIMEZONE]
• [DAY-DATE]
• [CURRENT TEMPERATURE]
• [STEPS]
Appearance of the display (watch face) can freely be customized.
Use more functions through Riiiver.
Riiiver is a unique service platform which provides
connection between watches and the Internet through a
special app on your smartphone.
On this watch, you can add prepared functions (called
"iiidea" in the Riiiver service) to the watch by choosing
[ADD FEATURES] when assigning functions to watch
buttons or when choosing display items.
• It is limited that regions where the Riiiver service is
available. It is not available in places where the Riiiver
service is not provided.
YF20 instruction manual
• [MUSIC CONTROL]
• [TIMER]
• [WEATHER]
• [RING PHONE]
• [HEART RATE]
• [CHANCE OF RAIN]
• [ACTIVE MINUTES]
• [CALORIES]
• [BATTERY]
CONTENTS
Safety precautions ..................................................................
Features .................................................................................
Before using this watch ...........................................................
Protective stickers .................................................................................
Charging your watch ..............................................................................
Component identification .......................................................
About the display of the watch ................................................
Renewing indication on the display .......................................................
Turning on the light ...............................................................................
Indicating notifications .........................................................................
Hiding information on the display .........................................................
Before connecting with a smartphone .....................................
Requirements for connection.................................................................
Execute pairing with the smartphone ......................................
Executing pairing ..................................................................................
When pairing fails .................................................................................
Synchronizing your watch and smartphone .............................
Adjustment of the time and calendar ......................................
Acceleration sensor and heart rate sensor ................................
Settings on the watch body .....................................................
The screen of the dedicated app ..............................................
Side menu .............................................................................................
[CHOOSE DEVICE] screen .........................................................................
[MY WATCH] screen ................................................................................
[WELLNESS] screen.................................................................................
Changing settings of the dedicated app ...................................
Changing goal values of activities ..........................................................
Customizing the watch face ...................................................
Setting alarm .......................................................................
Setting notification ..............................................................
Detecting activities automatically .........................................
About the menu on the watch ...............................................
Using the timer ....................................................................................
Bluetooth® wireless technology ............................................
Specifications .......................................................................
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Summary of Contents for Citizen YF20

  • Page 1: Table Of Contents

    Thank you for your purchase of this product. Before using the watch, read this instruction manual carefully to ensure correct use. CONTENTS Accessing the latest information (Cal. No.: YF20) You can access the latest information of this watch using the QR code. Safety precautions ..............

  • Page 2: Before Using This Watch

    "About the menu on the watch" (→ page Button Before connecting with a smartphone Display You must install the dedicated app “CITIZEN Install the dedicated app CONNECTED” on your smartphone and start it to • The illustrations in this instruction manual may differ from the actual appearance make pairing between the phone and the watch to of your watch.

  • Page 3: Execute Pairing With The Smartphone

    • Charge the watch and the smartphone sufficiently beforehand. • Turn on Bluetooth® and function(s) related with location information on your smartphone. Download the dedicated app “CITIZEN CONNECTED” at an app site and install Start the dedicated app. Tap [THIS IS MY WATCH].

  • Page 4: When Pairing Fails

    When pairing fails and the target watch does not appear on the dedicated app, try pairing again following the steps below. Remove “Citizen Connected HR” on Bluetooth® setting of.your smartphone. Turn off the Bluetooth function on your smartphone and turn it on again.

  • Page 5: Synchronizing Your Watch And Smartphone

    YF20 instruction manual Synchronizing your watch and smartphone Acceleration sensor and heart rate sensor After pairing, the watch and your smartphone are connected and synchronized This watch is equipped with a built-in acceleration sensor and a heart rate sensor. automatically as the dedicated app is started up or displayed on the phone.

  • Page 6: Settings On The Watch Body

    YF20 instruction manual Settings on the watch body Press the middle right button of the watch. The setting of the menu item you chose is changed. You can execute settings for the watch and utilize its various functions only by the •...

  • Page 7: The Screen Of The Dedicated App

    YF20 instruction manual [MY WATCH] screen The screen of the dedicated app You can customize watch face indication and assign function to buttons of the watch We call the screen just below the home screen, which appears immediately after here. You can also control settings of notifications and alarm.

  • Page 8: [Wellness] Screen

    YF20 instruction manual [WELLNESS] screen Changing settings of the dedicated app It is the screen for indicating the data of the activity monitor on the watch. Start the dedicated app. The screen has the five following sub menus: [STEPS], [ACTIVE MINUTES The watch and the smartphone are connected.

  • Page 9: Changing Goal Values Of Activities

    YF20 instruction manual Changing goal values of activities choose the item which you want to change goal value on the top of the screen and tap the value. Start the dedicated app. The screen keyboard appears. The watch and the smartphone are connected.

  • Page 10: Checking The Status Of The Connected Watch

    YF20 instruction manual Checking the status of the connected watch [ACTIVE] is indicated for the currently connected watch. [ACTIVE] • When you use two or more watches, you can Start the dedicated app. switch the watch to be connected by tapping The watch and the smartphone are connected.
  • Page 11 YF20 instruction manual Executing settings for functions and assigning them to the Tap the button which you want to assign a function to and tap a function on the bottom of the screen. buttons of the watch • Items shown on the function list may differ depending on status of the watch.

  • Page 12: Customizing The Watch Face

    YF20 instruction manual Functions added through [ADD FEATURES] Customizing the watch face It indicates UV indexes of three places including the [UV Index] current one. Start the dedicated app. The watch and the smartphone are connected. [Surf Report] It indicated special weather reports for surfing.
  • Page 13 YF20 instruction manual Tap the picture of the watch on the [MY WATCH] screen. Use it when you choose an information item from iiideas The [CUSTOMIZATION] screen is opened. of Riiiver. Turn on iiideas on [IIIDEA LIST] to make information items of Riiiver appear on the bottom of the screen.

  • Page 14: Setting Alarm

    YF20 instruction manual Setting alarm Tap [+ ADD] on the bottom of the [ALARMS] screen. The [ADD ALARM] screen is opened. Start the dedicated app. Tap here after finishing The watch and the smartphone are connected. setting. • If you have not signed up, sign up.

  • Page 15: Setting Notification

    YF20 instruction manual Setting notification [APPS] [CONTACTS] • Notifications may be missed when distance between the smartphone and the watch is 10 m (33 feet) or more or there is any obstacle between them. Start the dedicated app. The watch and the smartphone are connected.

  • Page 16: Detecting Activities Automatically

    YF20 instruction manual Detecting activities automatically Tap [Wellness Tracking] on the [MY PREFERENCES] screen. The [WELLNESS TRACKING] screen is opened. For the four activities,[Run], [Bike], [Walk] and [Row Machine], you can set the watch to detect them automatically and start measurement. ([Auto Workout...

  • Page 17: Checking And Correcting The Reference Position

    YF20 instruction manual Checking and correcting the reference position Tap [CALIBRATION]. The reference position of the hour hand becomes adjustable. Check and adjust the reference position through the dedicated app. Hour hand Minute hand If the time or calendar is not shown correctly even after connecting with the Tap here when smartphone, check whether the reference position of the watch hands is correct.

  • Page 18: About The Menu On The Watch

    YF20 instruction manual About the menu on the watch Press the middle right button of the watch. Indication on the display is switched to that for the function you chose. You can choose a function from the menu of the watch and use it.

  • Page 19: Bluetooth® Wireless Technology

    YF20 instruction manual To cancel measurement Bluetooth® wireless technology Measurement of timer and other functions does not stop even when the display is switched. To cancel measurement, stop it following the steps below. Regulatory concerning to Bluetooth® (Areas where Bluetooth® is available) Call the [Timer] display by executing steps 1 - 3 of "Using the timer"...

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