Citizen YF10 User manual

Component identification
Button B
Hour
hand
Minute hand
Button A
Date
indication
Button
C
Achievement
level indication
of steps
• Actual appearance may differ from the illustrations.
YF10 Abbreviated instruction
• To see details of specifications and operations, refer to the instruction manual: YF10 instruction manual
English
Before connecting with a smartphone
You must install the dedicated app “ CITIZEN
CONNECTED
” on your smartphone. After
installing it, start it, make an account and execute
pairing between the phone and the watch to
connect them.
The flow of connection is as follows.
• This watch communicates with smartphones through
Bluetooth Low Energy power-saving communication
technology.
• The Bluetooth® word mark and logos are registered
trademarks owned by Bluetooth SIG, Inc.
• Google, Wear OS by Google, Google Play and Google Play
logo, Google Fit, Google Assistant, Google Calendar, Gmail,
Android and Android Go Edition, Android One, Google
Pixel, Google Nest Thermostat are trademarks of Google LLC.
• IOS is a trademark or registered trademark of Cisco Systems,
Inc. or its affiliates in the United States and other countries,
and is used under license.
Requirements for connection
Android
Android OS 7.0 -
iPhone
iOS 15.0 -
Bluetooth
Bluetooth smart/4.2 Low Energy
• You cannot install the dedicated app when your smartphone is not compatible
with it.
• Fulfillment of the requirements of your smartphone does not warrant normal
operation of the app.
• Update of the dedicated app may be stopped after manufacturing of the watch
is ended.
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.
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.
• Charge the smartphone sufficiently beforehand.
• 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. Tap [HYBRID].
Install the dedicated app
Sign up/log in
Pairing
Connection
Start up the app
Disconnection

YF10 Abbreviated instruction
4. Make an account.
• Proceed to authentication process when you made an account. An
authentication number will be 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 up, the status (login status) is kept regardless whether the app
is activated or deactivated.
5. Press the right middle button Band tap [CONTINUE] on the
screen of the app as the [Start Pairing] screen is shown.
6. 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.
7. Within the time limit, press and hold the upper middle button
Con the watch.
Pairing starts.
To start pairing on the screen of the app
Tap the watch icon ( ) on the upper right of the home screen, swipe left on the
[CHOOSE DEVICE] screen and tap [ADD NEW WATCH].
When pairing fails
When pairing fails and the target watch does not appear on the dedicated app, try
pairing again following the steps below.
1. Remove “Citizen Connected HR” on Bluetooth® setting of your
smartphone.
2. Turn off the Bluetooth function on your smartphone and turn
it on again.
3. Execute pairing between the watch and the smartphone
again.

When connection fails after pairing (cancelling pairing)
Try pairing again following the steps below.
1. Tap the watch icon ( ) on the upper right of the home screen.
2. Swipe left or right on the [CHOOSE DEVICE] screen to display
the watch with which you want to connect your smartphone.
3. Swipe up the bottom tab on the [CHOOSE DEVICE] screen to
display the menu.
4. Tap [REMOVE WATCH].
5. Remove “Citizen Connected HR” on Bluetooth® setting of your
smartphone.
6. Turn off the Bluetooth function on your smartphone and turn
it on again.
7. Execute pairing between the watch and the smartphone
again.
Synchronizing your watch and smartphone
After pairing, the watch and your smartphone are connected and synchronized
automatically as the dedicated app is started up or displayed on the phone.
• 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 if distance between the smartphone and the
watch is 10 m (30 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.
YF10 Abbreviated instruction
Battery replacement
This watch tells you battery replacement period when battery voltage becomes
low by stopping all the hands at the 6 o’clock position.
• The indication is canceled by pressing button but early replacement of the
battery is recommended.
• You can check battery remaining of the watch on the [PROFILE] screen of the
dedicated app.
When replacing the battery
1. Turn the case back of the watch counterclockwise using a coin
or something similar.
Case back
• Turn it so as that the p mark on the case back is aligned with the r mark
on the case.
2. Turn the watch over to remove the battery.
3. Put a new battery in to the watch.
• Make sure that the side with plus (+) mark is up when setting the battery.
4. Confirm that the rubber packing for waterproofing is set at the
correct position.
Backside view when the case back
was removed
Rubber packing for
waterproofing
Battery
5. Put on the case back aligning its pmark with the rmark on
the case and turn it clockwise.
• Turn it so as that the p mark on the case back is aligned with that p on
the case.
• Take care so that any foreign matter such as thread waste is not caught
between the case back and the case.
• Turn the case back securely until the slot become straightly horizontal.
• After replacing the battery, start the dedicated app and synchronize the
watch and the smartphone.