Citizen YF20 User manual

Component identification
Button B
FRI
20
72°
75
Hour
hand
Minute hand
Button A
Display
Button
C
• Actual appearance may differ from the illustrations.
YF20 Abbreviated instruction
• To see details of specifications and operations, refer to the online guide: https://www.citizenwatch-global.com/support/html/en/yf20/yf20.html
English
About the display of the watch
This watch is equipped with an electronic paper display. Owing to the display, the
watch can always indicate various information with little consumption of power
reserve. On the other hand, unlike an ordinary LCD, indication is not always
renewed.
To see current total steps or other real-time data, you need to renew indication
intentionally.
Renewing indication on the display
Twist your wrist quickly, and the hands on the watch move and the indication on
the display is refreshed.
• Try the twist again if the hands do not move.
Turning on the light
Tap the center of the display twice to turn on the light.
• The light is turned off automatically without any operation.
Before connecting with a smartphone
This watch communicates with smartphones
through Bluetooth® Low Energy power-saving
communication technology.
You must install the dedicated app “CITIZEN
CONNECTED” on your smartphone and start it
to make pairing between the phone and the watch
to connect them.
The flow of connection is as follows.
• The Bluetooth® word mark and logos are registered
trademarks owned by Bluetooth SIG, Inc.
• Android is a registered trade mark of Google LLC.
• iOS is a name of an operating system of Apple Inc. IOS is a
trademark or registered trademark of Cisco Systems, Inc. or
its affiliates in the U.S. and other countries, and is used under
license.
Requirements for connection
Android Android OS 5.0 -
iPhone iOS 10.0 -
Bluetooth®
Bluetooth smart/4.2 Low Energy
• You cannot install the dedicated app when your smartphone is not compatible
with it.
• The app may not be warranted to work correctly even when your smartphone
fulfills requirements.
• Update of the dedicated app may be ceased after the end of production of the
watch.
Actual screens and/or indication of the dedicated app may differ from those on this
manual depending on your usage conditions and/or changes of specifications at update
of the app.
In that case, follow instructions on the actual screen of the app.
Install the dedicated app
Sign up/log in
Pairing
Connection
Start up the app
Disconnection

YF20 Abbreviated instruction
Execute pairing with the smartphone
Execute pairing at first when connecting the watch and your smartphone.
• Unique pairing information is saved on the watch and smartphone as pairing is
executed.
• Make an account at the startup of the dedicated app. An e-mail address which
can be used for e-mail reception is required for making an account.
• Keep the mail address and password for the account in case they are required.
Executing pairing
• For pairing, you have to operate both the watch and the smartphone.
• Turn on Bluetooth® and function(s) related with location information on your
smartphone.
1. Download the dedicated app “ CITIZEN CONNECTED ” at
an app site and install it.
2. Start the dedicated app.
• Keep the app screen displayed until pairing is finished.
3. Make an account.
• Proceed to authentication after making an account. Authentication
number is sent to the mail address you entered here.
• Tap [LOG IN] if you had logged out without executing pairing after
making an account before.
• Once signed in, the status (login status) is kept regardless whether the app
is activated or deactivated.
4. Press the right middle button Band tap [CONTINUE] on the
screen of the app as the [START PAIRING] screen is shown.
5. Tap [THIS IS MY WATCH].
• The watch displayed on the screen may look different from the actual one
you use.
• Tap [I DON’T SEE MY WATCH] when not only its color but whole
appearance looks different from yours.
• When update of the watch has started, wait until it is finished.
6. Press and hold the middle right button Bof the watch within
time limit.
Pairing starts.

When pairing finished successfully
The screen of finish is displayed.
To start pairing on the screen of the app
When pairing was canceled, tap the [PAIR YOUR FIRST WATCH] button or
[+ ADD] button on the [Profile] screen of the app.
YF20 Abbreviated instruction
About synchronization
Once paired, the watch and the smartphone are connected and start to
synchronize their data automatically as the dedicated app is started or displayed.
• All the hands of the watch turn fully around when synchronization starts.
• The time and calendar on the watch are also synchronized with those on the
smartphone.
• It may take a certain period of time for data synchronization.
• Some operations of the app such as change of settings are accompanied with
data synchronization.
• Synchronization does not start when distance between the smartphone and the
watch is 10 m (33 feet) or more or there is any obstacle between them.
Swiping down the [Home] screen also starts data synchronization.
Adjustment of the time and calendar
This watch receives time information from your smartphone at every connection
and adjusts the time and calendar automatically.
• You cannot adjust time and calendar on the watch only by itself.

Operating the menu on the watch
You can modify settings for the watch and utilize its various functions by using
the menu on the watch.
Here we introduce the basic procedure to use the menu on the watch.
• For more information on the settings on the watch and other functions, refer to
“About the menu on the watch” and “Settings on the watch body” on the online
guide.
• Some functions are not available without connection between the watch and the
smartphone through the dedicated app.
1. Press and hold the middle right button Bof the watch.
The hands of the watch line horizontally and the menu appears on the
display.
• The indication automatically returns to normal indication in 3 minutes
without executing any operation.
2. Press and release the lower right button Aor the upper right
button Cof the watch repeatedly to switch the function to
use.
Function icons move left or right.
• Press and hold the lower right button
A
or the upper right button
C
of
the watch to skip to the items at the ends.
• The black icon in a white circle shows the function currently chosen.
3. Press the middle right button Bof the watch.
Indication on the display is switched to that for the function you chose.
• Sub menus may appear for some functions.
• Some functions starts working immediately.
To return to normal indication
Press and hold the middle right button
B
of the watch to return to normal
indication.
• When you have returned to the menu from settings of an item, press and hold
the middle right button
B
again.
• When the home icon is indicated on the top of the display, press and release
the upper right button
C
of the watch repeatedly to make the icon black on
white back, then press the middle right button
B
. The watch returns to normal
indication.
YF20 Abbreviated instruction