TFA HiTrax Tip Handbuch Seite 16

8.2 Setting the Heart Rate Alert Mode
To Set the Heart Rate Alert Mode
To preset your target heart rate:
1) Input your target heart rate range (lower and upper limits), or
2) In put your age and gender ( lower and upper upper limits will be
automatically calculated).
To set the heart rate alert mode, press and hold the [mode] button
for about 2 seconds to select the setting display (the 'age' digits will
start flashing).
The Setting Sequence
When the 'age' digits start to flash, press the [mode] button to move
the flash following the sequence of the adjacent diagram, or press
the [start/stop] or [reset] button to scroll through the setting (hold
the button down to scroll at a faster pace). If the 'gender' is flashing,
press the [start/stop] or [reset] button to scroll the setting between
'M' (male) and 'F' (female).
If one of the settings (upper limit and lower limits) is flashing, press
the [start/stop] or [reset] button to scroll through the setting (hold
the button down to scroll at a faster pace).
When the designated setting appears, press and hold the [mode]
button for about 2 seconds to exit the setting sequence. The setting
display will change to Current Time Mode automatically if NO
keystroke has been activated for about 1 minute.