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• To return to Time mode, press and hold the Stop button.

Maximum heart rate value (HRmax)

HRmax is used to estimate energy expenditure. HRmax is the highest number of heartbeats per minute during maximum
physical exertion. HRmax is also useful when determining exercise intensity. The most accurate method for determining your
individual HRmax is to perform a maximal exercise stress test in a laboratory.

Heart rate value in a sitting position (HRsit)

HRsit is used to estimate energy expenditure. To determine your HRsit easily, wear your transmitter, sit down and do not
engage in any physical activity. After two or three minutes, press the Red button in Time mode to view your heart rate. This
is your HRsit.
To calculate your HRsit, more precisely, repeat the procedure several times and calculate your average.
5.5 GENERAL SETTINGS
You can view and change the following settings in the General Settings mode:
• sound On or Off
• unit format (kg/cm or lb/ft)
5.5.1 SOUND SETTING
Sound settings include the button sound and Stopwatch sounds.
Sound settings do not affect the watch alarms.
1. In Time mode, press . Settings is displayed.
2. Press the Red button until Timer SET is displayed.
3. Press / until General SET is displayed.
4. Press the Red button and follow the steps below:
The display reads: Press or to set Press the Red button to accept
5. Sound
On / OFF /
• select the sound on or off Red button
• To return to Time mode, press and hold the Stop button.
Note: Wrist unit sounds and the backlight function are turned off when the low battery symbol is displayed. However, the Watch Alarm will
work once if it is set before the symbol appears.
The display reads: Press or to set Press the Red button to accept
9. HR Max
10. HR Sit
/
• adjust this, if you know your laboratory measured current
maximum heart rate value
Your age-predicted maximum heart rate value (220-age) is
displayed as a default setting when you set this value for
the fi rst time.
/
• adjust your heart rate value in a sitting position
Red button
Red button