Citizen YF20 - User Manual

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YF20 instruction manual
Thank you for your purchase of this product.
Before using the watch, read this instruction manual carefully to ensure correct use.
ENGLISH
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]
• [MUSIC CONTROL]
• [TIMER]
• [WEATHER]
• [RING PHONE]
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]
• [HEART RATE]
• [CHANCE OF RAIN]
• [ACTIVE MINUTES]
• [CALORIES]
• [BATTERY]
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.
CONTENTS
Safety precautions .................................................................. 1
Features ................................................................................. 1
Before using this watch ........................................................... 2
Protective stickers ................................................................................. 2
Charging your watch .............................................................................. 2
Component identification ....................................................... 2
About the display of the watch ................................................ 2
Renewing indication on the display ....................................................... 2
Turning on the light ............................................................................... 2
Indicating notifications ......................................................................... 2
Hiding information on the display ......................................................... 2
Before connecting with a smartphone ..................................... 2
Requirements for connection................................................................. 2
Execute pairing with the smartphone ...................................... 3
Executing pairing .................................................................................. 3
When pairing fails ................................................................................. 4
When connection fails after pairing (canceling pairing).......................... 4
Synchronizing your watch and smartphone ............................. 5
Adjustment of the time and calendar ...................................... 5
Acceleration sensor and heart rate sensor ................................ 5
Settings on the watch body ..................................................... 6
The screen of the dedicated app .............................................. 7
Side menu ............................................................................................. 7
[CHOOSE DEVICE] screen ......................................................................... 7
[MY WATCH] screen ................................................................................ 7
[WELLNESS] screen................................................................................. 8
Changing settings of the dedicated app ................................... 8
Changing goal values of activities .......................................................... 9
Checking the status of the connected watch .......................... 10
Customizing the watch face ................................................... 12
Setting alarm ....................................................................... 14
Setting notification .............................................................. 15
Detecting activities automatically ......................................... 16
Checking and correcting the reference position ..................... 17
About the menu on the watch ............................................... 18
Using the timer .................................................................................... 18
Bluetooth® wireless technology ............................................ 19
Specifications ....................................................................... 19

Summary

Safety Precautions

Watch Features

Smartphone Connection

Connects watch to smartphone for time sync and app use.

Activity and Heart Rate Monitoring

Tracks activity and heart rate data, viewable in the dedicated app.

User-Configurable Buttons

Assign custom functions to watch buttons via the dedicated app.

Permanent Display Indication

Watch uses e-paper display for always-on information up to 4 items.

Riiiver Functionality

Before Using the Watch

Protective Stickers

Remove protective stickers before use to prevent skin rash or corrosion.

Charging the Watch

Charge the built-in secondary battery using the special battery charger.

Component Identification

Identifies the physical parts of the watch for user reference.

Display Information

Details about the electronic paper display and data renewal.

Turning on the Light

How to activate the watch's backlight by tapping the display.

Connecting with a Smartphone

Requirements for Connection

Lists system and device requirements for smartphone connectivity.

Executing Smartphone Pairing

Download and Install App

Install the "CITIZEN CONNECTED" app on your smartphone.

Start the Dedicated App

Open the installed app and proceed with setup.

Account Creation

Make an account in the app, requiring an email address for verification.

Pairing Process

Steps to connect the watch and smartphone via Bluetooth.

Pairing Status and Troubleshooting

Successful Pairing

Confirmation screen and next steps after successful watch-phone pairing.

Handling Pairing Failures

Steps to resolve issues when pairing fails or connection is lost.

Synchronization and Data Management

Watch and Smartphone Synchronization

How the watch and phone automatically sync time, calendar, and data.

Time and Calendar Adjustment

Watch automatically adjusts time/calendar based on smartphone connection.

Activity Sensors Overview

Details on acceleration and heart rate sensors and data display.

Watch Body Settings

Dedicated App Interface

Home Screen and Side Menu

Navigating the main app screen and accessing its menu.

Choose Device Screen

Screen for managing connected watches and calibration.

My Watch Screen

Customizing watch face, button functions, notifications, and alarms.

My Preferences Screen

Controlling alarm, notification, unit, and tracking settings.

Customization Screen

Screen for personalizing watch face elements and layout.

App Settings and Wellness Data

App Settings Overview

How to change account, help, and app version details.

Wellness Screen Data

Displays activity data like steps, minutes, calories, heart rate, and sleep.

Activity Goal Management

Changing Activity Goals

Setting daily goals for steps, active minutes, and calories in the app.

Checking Watch Status

Button Function Assignment

Customizing the Watch Face

Setting Alarms

Setting Notifications

Automatic Activity Detection

Reference Position Correction

Watch Operation and Functions

Navigating the Watch Menu

Accessing and using various functions via the watch's menu.

Using the Timer Function

How to set, start, and manage the countdown timer.

Technical Details and Maintenance

Canceling Measurement

Steps to stop ongoing timer or stopwatch measurements.

Bluetooth Wireless Technology

Information and regulations regarding Bluetooth usage.

Specifications

Technical details and model information for the watch.

Overview

1. Function Description
2. Important Technical Specifications
3. Usage Features
4. Maintenance Features

This document describes the Citizen YF20 Analog-Digital Combination Smart Watch, a device that blends classic watch aesthetics with modern smart features, designed for seamless integration with smartphones.

Function Description

The YF20 is equipped with an acceleration sensor and a heart rate sensor, enabling continuous measurement of activity and heart rate while worn. It tracks various actions such as steps and heart rate, with data displayed in real-time on the watch and recorded in the dedicated "CITIZEN CONNECTED" app for daily, weekly, and monthly analysis. The watch also supports automatic activity detection for activities like running, biking, walking, and using a row machine, initiating measurement automatically. A "Move Alerts" function reminds the user to stand up if inactivity is detected for a set period.

Through the dedicated app, the YF20 offers time and calendar synchronization with the smartphone, ensuring accurate timekeeping. It also provides notification functions for incoming calls and messages from various apps, with customizable text sizes and the option to temporarily stop notifications. For Android users, a "Quick Response" feature allows sending pre-set messages in response to calls.

The watch includes a timer (countdown) and a stopwatch for various timing needs. It also integrates with Riiiver, a unique service platform that allows users to add prepared functions (called "iiidea") to the watch, expanding its capabilities by connecting to the internet through the smartphone app. These iiidea can be assigned to watch buttons or displayed as information items.

Important Technical Specifications

• Model: YF20
• Type: Analog-digital combination smart watch
• Display Functions: Analog section shows hour and minute; digital display indicates various functions permanently.
• Duration: Approximately 2 weeks to 4 weeks (varies depending on conditions of use).
• Battery: Rechargeable cell (lithium ion cell), 1pc.
• Bluetooth® Wireless Technology: Bluetooth smart compatible / 4.2 Low Energy.
• Smartphone Compatibility: Android OS 7.0- and iOS 15.0-.
• Sensors: Built-in acceleration sensor and heart rate sensor.

Usage Features

The YF20 offers extensive customization and interactive features:

• Dedicated App Integration: The "CITIZEN CONNECTED" app is central to the watch's functionality, enabling pairing, data synchronization, and configuration of most smart features.
• User-Configurable Buttons: Two physical buttons on the watch can be assigned various functions through the dedicated app, including:
  • [ADD FEATURES] (for Riiiver iiidea)
  • [WORKOUT MODE]
  • [WELLNESS DASHBOARD]
  • [STOPWATCH]
  • [NOTIFICATIONS]
  • [MUSIC CONTROL]
  • [TIMER]
  • [WEATHER]
  • [RING PHONE]
• Customizable Watch Face: The electronic paper display allows for permanent indication of up to four chosen information items, such as:
  • [ADD FEATURES] (for Riiiver iiidea)
  • [SECOND TIMEZONE]
  • [DAY-DATE]
  • [CURRENT TEMPERATURE]
  • [STEPS]
  • [HEART RATE]
  • [CHANCE OF RAIN]
  • [ACTIVE MINUTES]
  • [CALORIES]
  • [BATTERY] The appearance of the watch face can be freely customized, including text, stickers, and background photos from the smartphone.
• Display Interaction:
  • Renewing Indication: A quick twist of the wrist wearing the watch moves the hands and renews the display indication.
  • Turning on the Light: Tapping the center of the display twice activates the light, which turns off automatically.
  • Indicating Notifications: Pressing and holding the lower right button displays notifications.
  • Hiding Information: Pressing and holding the upper right button hides information on the display.
• Activity Goal Setting: Users can set and adjust goal values for activities like steps, active minutes, active calories, and sleep through the app. A "Dynamic Goal" feature can automatically set step goals based on past activity history.
• Music Control: The watch can control music playback on the smartphone, including play/pause, volume up/down, and skipping tracks.
• Weather Information: Displays weather reports for up to two locations, including the current one.
• "Ring Phone" Function: Makes the connected smartphone emit sound, useful for locating a misplaced phone.
• Bluetooth® Connectivity: The watch communicates with smartphones using Bluetooth Low Energy technology.

Maintenance Features

• Charging: The watch's built-in secondary battery is charged using a special battery charger provided with the product.
• Protective Stickers: Users are advised to remove any protective stickers from the watch case back, band, or clasp to prevent perspiration or moisture from causing skin rash or corrosion.
• Reference Position Correction: If the watch hands do not accurately reflect the time or calendar, their reference position can be checked and adjusted through the dedicated app.
• Pairing Management: The app allows users to manage connected watches, including adding new devices, removing existing pairings, and troubleshooting connection issues.
• Firmware Updates: The app indicates the current firmware version and facilitates updates.
• Data Storage: The watch saves up to approximately 40 days of activity data, which is transferred to the dedicated app during synchronization.
• Account Management: The app provides options to manage the user account, including changing connected apps, height, weight, gender, and activity goals, as well as logging out or removing the account.

Citizen YF20 Specifications

General

Brand	Citizen
Model	YF20
Category	Watch
Language	English