Cybex Computer Products X3HR ユーザーズマニュアル

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3.2.4. Temperature and absolute air pressure
Temperature and absolute air pressure is one of the three shortcuts that can be seen
on the bottom row of the Time mode’s main display. Short press SET to scroll to the
Temperature and absolute air pressure shortcut. When it is visible, you can access its
functions by long pressing SET. Here is a list of the functions and instructions on how
to use them.
Altitude
You can use this setting to define the current altitude. Suunto X3HR uses the set alti-
tude as a benchmark for the altitude changes measured from the air pressure
changes.
To set the altitude:
1. In the function menu, Altitude is already the first menu
item. Short press SET to select it. The current altitude on
the middle row is activated.
2. Set the new altitude (-500 m to 9000m/-1500 to 29995ft)
with the arrow buttons and short press SET. The Altitude
text on the bottom row is activated. Now you can either
3. Long press SET to switch back to the main display.
4. or scroll to the next selection with the arrows.
NOTE:  Suunto X3HR measures the altitude from the barometric pressure. If it dis-
plays different altitude readings at the same location on different days, this means
that the barometric pressure has changed due to weather. To receive correct altitude
readings, always set the reference altitude when the weather changes considerably.