Operation Manual
5 6
7 8
9 10
Time
Countdown Timer
Recall
Calorie
Press button S3 to switch mode
Alarm
HRM
Stopwatch
Fig. 2 Mode Switch
D. Button S4(SET/EL)
1. Under non-setting mode, press S4 and the backlight will light up
for 3 seconds. When the backlight is up, any button press will
extend the backlight for 3 seconds.
2. Under non-setting mode, press and hold S4 for 2 seconds to
enter setting mode.
3. Under setting mode, press S4 to save new settings and exit
setting mode. (If no button operation in one minute, settings are
saved automatically and exit setting mode.)
3 Time Function and Operation
3.1 Time Operation
There are two time zones: local time zone and second time zone.
Press S1 to switch time zones. (Fig. 3)
Local time zone: display the time in HH:MM seconds (in lower
half), and day of week, day and month (in upper half). It displays
PM icon in 12-hour format after 11:59 a.m. When hourly chime is on,
chime icon is displayed. Press S2 to turn ON/OFF hourly chime.
Second time zone: display the time in HH:MM seconds. It
displays PM icon in 12-hour format after 11:59 a.m.
S1
S2
S3 S3
S3
S3
S3
S4
S3S3
S3
S3
S4
Local Time Zone
Local Time Zone
Second Time Zone
Hourly Chime ON
Fig. 3 Time Zone Switch
3.2 Time Setting
3.2.1 Local Time Zone
Press and hold S4 for 2 seconds to enter time setting mode.
Press S3 (Mode) to switch among below eight settings:
Second →Minute →Hour →Year →Centennial →Month →Day
→12hour or 24hour format
The target setting-item will flash.
Press S1 to advance digit and hold the button for fast advance.
Press S2 to decrease digit and hold the button for fast decrease.
When setting second, press S1 or S2 and second digit will
return to zero. If the second digit is greater than 29, minute digit will
increase by 1.
Local time setting is shown in Fig. 4.
Long press S4 for 2 seconds
Setting Mode
Setting Mode
Second Setting Minute Setting Hour Setting
Range:0~59 Range:(0~23)/(1~12)
Year Setting
Centennial Setting
Range:0~99
Range: 20~99
Month Setting
Range:1~12
Day Setting
Range:1~31
Range:12/24
12/24 Hour Setting
Second digit returns
to zero
S1 or S2
Fig. 4 Local Time Setting
3.2.2 Second Time Zone
Press and hold S4 for 2 seconds to enter time setting mode.
Press S3 to switch between below settings.
Press S1 to advance digit and hold the button for fast advance.
Press S2 to decrease digit and hold the button for fast decrease.
When setting minute, the minute digit increases or decreases
by 30 at a time.
Second time setting is shown in Fig. 5.
Minute → Hour
Second Time Zone
Long press S4 for 2 seconds
Minute Setting Hour Setting
30 minutes increase or
decrease at a time
Fig. 5 Second Time Setting
4. Heart Rate Function and Operation
4.1 Heart Rate Measurement (HRM) Mode
4.1.1 HRM Operation
Press S3 to switch to HRM mode. After enter HRM mode, HR
measurement circuit is activated automatically. If there is no heart
rate signal or heart rate is inconsistent, the measurement function
will be inactivated automatically after a certain time to save power.
Press S1 to activate or inactivate the HRM function. (Fig. 6)
To get your heart rate reading, place the watch on your wrist,
cover the 2 sensor areas with your finger pads and make sure there
is enough contact area. Please contact sensors with the same
strength, relax your arms and stay still to ensure the accuracy of
heart rate reading.
If the temperature is low, please rub your hands to make them
warmer. If the climate is dry, please moisten your fingers with water
before contact sensors.
Place the watch on your wrist and
then press button S3 (Mode) to
switch to HRM mode.
Cover the 2 sensor areas with
your finger pads and make
sure there is enough contact area.