SUUNTO t1 - Manual (Page 7)

1.1. Setting up Suunto t1
When you press a button on your new Suunto t1 for the first time, you will be asked to define some
basic settings. Use the UP and DOWN buttons to change the values, accept and move to the next
item by pressing the ENTER button.
The figure below shows you how to set up your device for the first time.
Carry on setting up the time, date,
units and your personal settings.
After this, Suunto t1 will go into
Time mode and will be ready for
operation.
Adjust with UP and DOWN buttons.
Accept with ENTER button.
NOTE Your maximum heart rate is determined using the formula 210 minus 0.65
times your age, which is automatically calculated from the date of birth that
you enter. If you know your real maximum heart rate, you should use that
instead of the calculated value.
1.2. Activity class (act class)
Important: Your activity class is another one of the settings that you are asked to define when
you set up your device for the first time. Your activity class is a measure of your current activity
level. By entering your current activity class (1 - 10) into your Suunto t1, the device will be able to
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