Citizen W770 User manual

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CITIZEN Bluetooth Watch W770 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
http://www.citizenwatch-global.com/
. Here you will find a variety of information such as electronic setting guides, answers to
frequently asked questions, Eco-Drive recharging information and more.
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.
Engraving position example The engraving position may
differ depending on watch model.
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, pages
10
to
11
) 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 smartphones through the dedicated app
Indicates notifications such as upcoming calls to the smartphone.
In addition, the watch has useful functions to prevent leaving the smartphone
or search the phone missed.
To get the dedicated app, access download sites of apps for your smartphones.
For more information, see the web site below:
http://www.citizenwatch-global.com/support/
■
Eco-Drive
Never needs a new battery. This watch is fueled by light.
■
Alarm
Sounds at the time set. The alarm may also be set through the dedicated app
on your smartphone.
■
Chronograph
Measures up to 60 minutes in one second increments.
■
Local time
Easy to see the time for a second time zone, anywhere in the world. It may
also be set through the dedicated app on your smartphone.
■
Perpetual calendar
No need for monthly and leap-year date correction until February 28, 2100.
* “Eco-Drive” is an original technology of Citizen.
12
6
39
CONTENTS
Before using this watch........................................................... 2
Operation through the dedicated app ............................................
2
Band adjustment...................................................................................
2
Protective stickers .................................................................................
2
How to use a specially designed crown/button.......................................
2
Component identification ....................................................... 2
Changing the mode ................................................................ 2
Checking the power reserve .................................................... 3
Before connecting with a smartphone..................................... 3
Compatible smartphones ......................................................................
3
Time information reception...................................................................
4
Notification indication on the watch......................................................
4
Canceling the notification indication .....................................................
4
Pairing (registering) the smartphone ...................................... 4
Choosing the destination to save registration information.....................
4
Connecting/disconnecting the smartphone ............................. 5
Checking connection status ...................................................................
5
Disconnecting .......................................................................................
5
Connecting............................................................................................
5
Choosing a smartphone and connecting to it .........................................
6
Finding my smartphone.......................................................... 6
Removing pairing (registration) information ........................... 6
Using local time [Local Time]................................................... 6
Using the chronograph ........................................................... 6
Using the alarm [Alarm] .......................................................... 7
Charging your watch............................................................... 7
Adjusting the time and calendar manually .............................. 8
Troubleshooting ..................................................................... 8
Checking and correcting the reference position .....................................
8
Bluetooth 4.0 wireless technology........................................... 9
Eco-Drive watch handling precautions................................... 10
Water resistance................................................................... 10
Precautionary items and usage limitations............................ 10
Specifications ....................................................................... 11

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CITIZEN Bluetooth Watch W770 Instruction manual
Before using this watch
This watch has a rechargeable cell which is charged by exposing
the dial to light.
Expose the dial to direct sunlight regularly to charge the watch.
For details of charging, see page
7
.
After opening the package, confirm power reserve of the watch referring to page
3
. Start connection to your smartphone after that.
Operation through the dedicated app
Some functions of this watch can be controlled through the dedicated app. For
details, see page
3
.
The icon on the side of section titles means that functions which can also be
controlled through the app are introduced in the section.
Band adjustment
We recommend seeking the assistance of an experienced watch technician
for sizing of your watch. If adjustment is not done correctly, the bracelet may
unexpectedly become detached leading to loss of your watch or injury. Consult an
authorized service center.
Protective stickers
Be sure to remove any protective stickers that may be 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 metal parts.
How to use a specially designed crown/button
Some models are equipped with a specially designed crown and/or push button to
prevent accidental operation.
Screw down crown/button
Unlock the crown/button prior to operate your watch.
Unlock Lock
Screw down
crown
Rotate the crown
counterclockwise
until it releases
from the case.
Push the crown in to the case.
With gentle pressure towards
the case, rotate the crown
clockwise to secure it to the
case. Be sure to tighten firmly.
Screw down
push button
Rotate the
locking screw
counterclockwise,
and loosen until it
stops.
Rotate the locking screw
clockwise, and tighten firmly.
Recessed button
Press the button with a non-marring narrow-tipped object such as a wooden
toothpick.
• Metal objects may cause marring or scratching of the button.
Component identification
Hands and buttons
• The illustrations in this instruction manual may differ from the actual
appearance of your watch.
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Minute hand
Function hand
Pressing button
A
changes
indication when the mode
is [TME] or [L-TM] and the
position of the crown is
0
.
Mode hand
Hour hand
24-hour hand
Second hand
Button
B
Button
A
Crown
Indication
• A solar cell is under the dial.
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Indications of the
function hand
Date indication
Mode:
TME/L-TM/CHR/
ALM
Notification:
CALL/INFO/LL/
ACT
Power reserve
Alarm setting (ALM
ON/OFF)
Connection status
(ON/OFF)
Day of week
Changing the mode
This watch features four different modes (functions).
TME Shows ordinary time.
L-TM Shows time and calendar different from those shown in the [TME] mode.
CHR Mode for using the chronograph.
ALM Mode for setting the alarm.
1Pull the crown out to position 1.
The second hand points the 30-second and stops.
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2Rotate the crown to change the mode.
• Turn the crown so that the mode hand points to the marker of the
desired mode securely.
3Push the crown in to position 0to finish the procedure.
The watch changes indication according to the selected mode.
• It may take a moment for the watch to complete changing
indication.

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CITIZEN Bluetooth Watch W770 Instruction manual
Checking the power reserve
For details of charging, see “Charging your watch” on page
7
. Checking the power
reserve
Checking the power reserve
• For details of indications of power reserve level, see page
3
.
1Change the mode to [TME] or [L-TM] (page 2) and push the
crown in to position 0.
2Press and release the lower right button Arepeatedly until
the function hand indicates power reserve.
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Power reserve
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L
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Indication of power reserve in levels
Level 3210
Power
reserve
level scale
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OFF
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OFF
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Duration
(approx.)
With connecting to a smartphone within 6 hours a day
(receiving 10 notifications or so and vibrating once every
reception)
180 days -
280 - 250 days 250 - 200 days 200 - 180 days
Without connecting to a smartphone
20.5 -16.5
months 16.5 - 9 months 9 months - 180
days
Meaning
Power reserve is
sufficient.
Power reserve is
OK.
Power reserve is
getting low.
Level where
insufficient
charge warning
starts
OK for normal use Charge immediately.
CAUTION
•When the power reserve level is “0”, smartphone-related features and functions are not available as
follows:
- Pairing (registration)
- Connecting
- Removing the pairing (registration) information
•Pressing button
A
does not change indication of the function hand when the power reserve level is “0”.
•Connection is terminated when the power reserve level becomes “0”. However, basic functions of the
watch are still available.
•Some basic functions become unavailable as the second hand starts to move once every two seconds
(insufficient charge warning function, page
7
).
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
Bluetooth Watch” on your smartphone and start it
to make pairing (registration) 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 trademark of Google Inc.
* iOS is a name of an operating system of Apple Inc. IOS is a
trademark or registered trademark of Cisco in the U.S. and
other countries and is used under license.
Install the dedicated app
Pairing (registration)
Connection
Start up the app
Disconnection
Compatible smartphones
You can see information about compatible smartphones (running Android OS 5.1/
iOS 9.3 or later, Optimized for iPhone 5 or greater.) and the dedicated app on the
web site below:
http://www.citizenwatch-global.com/support/
• This watch can somewhat be operated through the dedicated app and it is
equipped with functions available only through the app.
Notice
In places with restriction on the use of electronic devices such as in a airplane,
terminate connection with your smartphone (page
5
) and change the mode of the
watch to [CHR] (page
2
).
Functions available with the connection
Receiving time information (page 4)
The watch adjusts time and calendar automatically using time info provided from
the smartphone.
• Settings on the app are required to use this function.
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ACT
Time info
The second hand points
“ACT (40-second position)”
while receiving time
information.
Incoming call notification (CALL/call)
Incoming call notification comes to the watch as your smartphone receives a call.
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CALL
Incoming
Call
Incoming call
notification
The second hand points “CALL (55-second
position)” as the watch receives incoming call
notification.
• Notification sound and vibration can be activated
through settings on the app.
Various information notification (INFO/information)
Notification comes to the watch as your smartphone receives an e-mail or other
notification such as a calendar event, SNS, etc.
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Notification
Various
information
notification
The second hand points “INFO (50-second
position)” as the watch receives various info
notification.
• Notification sound and vibration can be activated
through settings on the app.

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CITIZEN Bluetooth Watch W770 Instruction manual
Disconnection notification (LL/Link Loss)
The watch notifies you of your smartphone’s disconnection due to distance or
other reasons.
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LL
Bluetooth connectable range
(10 meters (33 feet) or so)
The second hand points “LL (45-second position)” when
connection is disconnected.
• Notification sound and vibration can be activated
through settings on the app.
Making the smartphone emit sound (page 6)
The watch can send signals to a registered smartphone. The smartphone emits
sound when receiving the signals.
• The watch can make the smartphone emit sound even if their connection is not
active.
The second hand points “ACT
(40-second position)” as it starts to
send signals.
The smartphone keeps emitting
sound once it receives the signals.
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Bluetooth connectable range
(10 meters (33 feet) or so)
Time information reception
This watch can receive time information from your smartphone and adjust
the time and calendar automatically (automatic time information reception).
Automatic time information reception is executed at the first cancelation of
power save status (page
7
) every day (after 3:00 AM of the [TME] mode on the
watch).
• Even when the watch is disconnected with a connectable smartphone, it is
temporary connected with the phone and get time information.
Automatic time information reception function does not work in the following
cases:
• When the mode of the watch is not [TME] or [L-TM].
• [Time Sync] setting of the dedicated app is off.
Notification indication on the watch
The second hand points the notification indication corresponding to the type of
received notification.
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Notification indication by the second hand
Indication Position Meaning
CALL
55 second Incoming phone calls
INFO
50 second Various info notification
LL
45 second Disconnection notification
(Link Loss)
ACT
40 second Receiving time info or
connecting (Activation)
• The notification indication by the second hand is shown only when the mode
of the watch is [TME] or [L-TM] and the position of the crown is
0
. When the
watch receives notification in statuses other than above, notification indication
is postponed until its status changes to any one above.
• When the watch receives a new notification while it indicates a notification, the
old one is canceled and the new one is indicated.
Notification sound and vibration
Notification sound and vibration can be activated by using [Notification] setting
on the app in addition to the indication of the second hand.
• Notification by sound or vibration will occur even when the second hand cannot
indicate notification. In addition, notification sound and vibration occurs again
with notification indication by the second hand when the hand indication was
postponed.
Notification reception area
• Connection range between the watch and the smartphone is up to about 10 m (33
feet). The range may be shorter due to obstacles such as walls.
Do not block the watch with your body such as your arm.
Canceling the notification indication
The second hand showing notification indication does not return to indicate the
seconds until the indication is canceled.
• Once manually canceled, notification indication cannot be shown again.
1Press and hold the lower right button Aor the upper right
button Bfor 1 second while notification is indicated.
The notification indication is canceled and the second hand returns
to indicate the seconds.
• Changing the position of the crown also cancels the notification
indication.
Testing the notification vibration
The notification vibration feature can be checked.
• You cannot test it while the power reserve level is in “0”.
• The vibration settings must be executed from the app.
1Change the mode to [ALM] (page 2) and push the crown in
to position 0.
2Press and release the upper right button B.
The watch starts vibrating.
• Notification vibration is repeated five times.
3Change the mode to [TME] and push the crown in to position
0to finish the procedure.
The second and function hands return to normal.
Pairing (registering) the smartphone
Execute registration at first when connecting the watch and your smartphone.
Before registration
• Unique registration information is saved on the watch and smartphone as
registration is executed.
• Up to three registrations can be saved on the watch with choosing saving
destination. Saved registration information can be checked on the app.
• When you have two or more registered smartphones, you can switch saved
registration information to connect/disconnect one (page
5
).
• New registration information cannot be saved on the saving destination
containing one without deleting the existing one (page
6
).
Choosing the destination to save registration information
1Change the mode to [TME] (page 2) and pull the crown out
to position 2.
The second hand points the (saving destination of) registration
information currently chosen and the function hand indicates
connection status (ON/OFF).
2Rotate the crown to choose the destination to save registration
information.
Saving destination of registration information 1
Saving destination of registration information 2
Saving destination of registration information 3
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The second and function hands return to normal.

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Connecting/disconnecting the smartphone
Checking connection status
1Change the mode to [TME] or [L-TM] (page 2) and push the
crown in to position 0.
2Press and release the lower right button Arepeatedly until
the function hand indicates connection status (ON/OFF).
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Connection
status
Connection status indication
The function hand automatically indicates connection status (ON/OFF) as the
connection status between the watch and the smartphone changes.
ON OFF
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Connected Disconnected
Disconnecting
• Cancel the notification indication of the second hand before disconnecting (page
4
).
1While connected, change the mode to [TME] or [L-TM] (page
2) and push the crown in to position 0.
2Press and hold the upper right button Bfor 4 seconds.
The second hand points “ACT (40-second position)” and, after
disconnection, the function hand points “OFF” of connection
status.
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Connecting
You can reconnect the watch to a disconnected smartphone.
• The watch cannot be connected with a non-registered smartphone (page
4
).
• See page
6
to connect the watch to another registered smartphone.
1While disconnected, change the mode to [TME] or [L-TM] (page
2) and push the crown in to position 0.
2Press and release the upper right button B.
The second hand points “ACT (40-second position)” and, after
connection, the function hand points “ON” of connection status.
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CITIZEN Bluetooth Watch W770 Instruction manual
Registering a smartphone
• For registration, you have to operate both the watch and the smartphone.
• Be sure both the watch and smartphone are sufficiently charged. Especially, it is
important to check power reserve of the watch (page
3
) and charge it before
registration if the power reserve level is “1” or “0”.
• Registration operation on the watch must be completed within a certain period
of time. If about 30 seconds have elapsed before finishing operation, the watch
returns to normal movement.
<Operation on the smartphone>
1Download the dedicated app “CITIZEN Bluetooth Watch”at an
app site and install it.
2Start the dedicated app.
• Keep the app showing on the smartphone screen.
• Agree when a dialog appears to request your permission to use
Bluetooth connection.
<Operation of the watch>
3Change the mode to [TME] or [L-TM] (page 2) and push the
crown in to position 0.
4Press and release the upper right button B.
The second hand points “ACT (40-second
position)” and registration starts.
• The smartphone will be connected if it
has already been registered before.
<On the smartphone>
5“Connected” appears as registration is successful.
• It may take about 20 - 30 seconds to finish registration.
The watch and smartphone are connected as registration is
successful.
When registration is successful
The function hand of the watch will point “ON” of connection status and the
second hand returns to indicate the seconds.
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In the cases below, registration is not successful:
• The second hand of the watch points “LL (45-second position)”.
• The second hand of the watch points “ACT (40-second position” and returns to
indicate the seconds and the function hand does not point “ON” of connection
status.
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