Bluetooth® Wireless Technology; Specifications - Citizen YF20 Instruction Manual

5
Press the lower right button
"·" at the left of [15 min] moves to the left of [Custom].
6
Press the middle right button
Countdown time become adjustable in 1-minute increments.
• The middle right button works here as the "OK" button.
B
7
Press and release the lower right button
the watch repeatedly to choose [3 min].
• Each time you press the buttons, countdown time changes.
• It keeps changing while you are pressing and holding one of the buttons.
8
Press the middle right button
[3 min] is set as countdown time.
9
Press the middle right button
The minute hand overlaps the hour hand and they starts to rotate counterclockwise as
the second hand to start countdown.
After measurement
The watch vibrates to tell you time is up.
To cancel measurement
Measurement of timer and other functions does not stop even when the display is
switched. To cancel measurement, stop it following the steps below.
1
Press the middle right button
The time remaining and the alternatives, [Resume] and [Cancel], appear on the
display.
• In some types of measurement, the alternatives may be [Resume] and [End].
2
Press the lower right button
[Cancel] is chosen.
3
Press the middle right button
Measurement is stopped.
of the watch.
A
of the watch.
B
or the upper right button
A
of the watch.
B
of the watch.
B
of the watch during measurement.
B
of the watch during measurement.
A
of the watch during measurement.
B
Bluetooth® wireless technology
Regulatory concerning to Bluetooth® (Areas where Bluetooth® is available)
Use of the Bluetooth® communication technology is not legally permitted in some
countries or regions.
• Using this watch in a country where it is not permitted may be punished under its
law.
• Communication using Bluetooth® may be monitored intentionally or accidentally.
Do not use this watch for important communication or any communication
involving human lives.
For details of Bluetooth, see the following items.
https://www.citizenwatch-global.com/support/html/en/yf20/bt_info_01_yf20.html
of
C
• The Bluetooth word mark and logos are registered trademarks owned by Bluetooth SIG,
Inc.

Specifications

Model YF20
Type Analog-digital combination smart watch
Analog section
Display
functions
Display section
Duration About 2 weeks - 4 weeks (vary depending on conditions of use)
Battery Rechargeable cell (lithium ion cell), 1pc.
• Connection function (through the dedicated app on the
smartphone)
• Vibration function (for alarm and so on, setting through the
dedicated app)
• Activity monitoring function
• Heart rate measurement function
• Riiiver function
• Indications based on functions equipped with the watch:
Steps/time and achievement of each type of workout/heart rate/
Additional
functions calorie consumption/hours of sleep
notification of incoming calls/notification from apps/
notification to prevent from keeping sitting
stopwatch/timer
Music control
weather/temperature/chance of rain
second time zone (local time)/date and days-of-week indication
assigning functions to buttons/editing watch faces
Searching the smartphone
Specifications and contents are subject to change without prior notice.
YF20 instruction manual
Hour, minute
Indicates various functions permanently
17/17