Citizen Eco-Drive Proximity Specification sheet

1
Communication feature guide
Citizen Eco-Drive Proximity
Thank you for your purchase of this Citizen watch.
Before using the watch, read this guide carefully to ensure correct use.
Refer to precautions before using the watch.
■Using the watch for the first time → “Precautions”
Refer to the guide below when using basic functions of the watch.
■Using basic functions of the watch → “Basic guide”

2
Important: Before using
In this guide, it is mainly explained that the usage of the dedicated app,
“Proximity 2.5”.
Check the version of your Citizen Proximity and update the app and
firmware of your watch before using.
■About the firmware version of the watch → page 18
■Updating the firmware of the watch
→ page 19
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Proximity 2.5

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About “Proximity 2.5” app
You can update the firmware of the watch through the “Proximity 2.5” app.
In the combination of an updated watch and the iPhone which registered it,
you can establish Bluetooth connection only using Bluetooth setting on the
iPhone.
In addition, once Bluetooth connection is established between the watch
and iPhone, you do not have to keep “Proximity 2.5” activated since the iPhone sends
notification to the watch following its own notification setting set by the app.
You can configure notification setting of each supported app from the iPhone to the watch
separately through “Proximity 2.5” as well as other settings.
Proximity 2.5

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CONTENTS
Component identification............................................................6
Registering (Pairing) with your iPhone [PR] .................................7
When you want to update the app or register (pair) a different iPhone .....9
Disconnecting the iPhone [DCT] ................................................ 10
Maximum continuous connection time..................................................10
Connecting to the registered (paired) iPhone [CT] ..................... 11
Setting notification preferences ............................................... 12
Using Time Sync........................................................................ 14
Receiving the time information manually..............................................14
Using Link Loss Alert................................................................. 15

CONTENTS
5
Using iPhone Search ................................................................. 16
Locating your iPhone using sounds ........................................................16
Removing registration (pairing)................................................ 17
About the firmware version of the watch .................................. 18
Updating the firmware of the watch......................................... 19
When the update fails............................................................................22
Checking the current power reserve level.................................. 23
Troubleshooting ....................................................................... 25

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1
2
4
5
6
7
8
3
Component identification
The illustrations in this instruction manual may differ from the actual appearance of
your watch.
1Hour hand
2Notification indication when connected
to an iPhone
324-hour hand on the upper left sub dial
4Second hand/Chronograph second hand
5Function hand and function indications on
the upper right sub dial
• Connection status (
ON/OFF )/Power
reserve level (page 23)
• Chronograph minute hand
• Day of the week
6Minute hand
7Date
8Mode hand
Button
Button
Crown

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Registering (Pairing) with your iPhone [PR]
When connecting the watch and your iPhone for the first time, registration (pairing) is
required.
Before registration (pairing)
• Version check and update of firmware of the watch is required. (page 18)
• For registration (pairing), you must operate both the watch and the iPhone.
• Be sure that the watch and the iPhone are fully charged.
Check the power reserve indication of the watch (page 23) and charge it before
registration (pairing) if the power reserve level is “1” or “0”.
• The watch and the iPhone are connected after registration (pairing).
The time and date on the watch are updated after the time information is obtained from
the iPhone.
• You cannot register (pair) the watch with multiple iPhones.

Registering (Pairing) with your iPhone [PR]
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Registering (pairing) with the iPhone
• Registration (pairing) must be completed within about 2 minutes. If more than 2 minutes
has elapsed before finishing registration (pairing), the watch returns to the normal
operation.
1Turn on Bluetooth on the iPhone.
2Change the mode of the watch to [
PR
].
3Tap “Eco Drive Proximity” on the “DEVICES”list in the Bluetooth setting of the
iPhone.
A dialog requesting pairing permission appears.
4Tap “Pair”.
The watch and the iPhone are connected and the function hand on
the upper right sub dial of the watch points to the area (“
ON
” area)
illustrated on the right.
5Change the mode to [
TME
] to finish the procedure.
Function hand
on the upper
right sub dial

9
Registering (Pairing) with your iPhone [PR]
When you want to update the app or register (pair) a different iPhone
In the following cases, you must remove the current registration (pairing) and execute a
new registration (pairing).
See page 17 for more details about removing stored registration (pairing).
• When registration (pairing) information is lost either on the watch or the iPhone.
• When you want to register (pair) your watch to a different iPhone.
• When you cannot connect the watch and iPhone again after registration (pairing) even
after doing correct steps.
• When registration (pairing) fails.

10
You can close the Bluetooth connection between the watch and iPhone.
1Change the mode of the watch to [
DCT
].
The connection is closed and the function hand on the upper right sub dial
points the “
OFF
” area.
Maximum continuous connection time
To conserve energy, the connection is automatically terminated when approximately six
hours has elapsed since the connection started.
• You may however connect again and start a new six-hour period. (See page 11)
Set the mode to [
DCT
] to use this watch as a standard one in places such as an airplane,
where electronic devices are limited to use.
Disconnecting the iPhone [DCT]
Function hand
on the upper
right sub dial