SUUNTO Vector HR - Manual (Page 24)

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limits “on” means that the Wristop computer will audibly alert the user that a chosen upper or lower limit has been exceeded. limits
“off” means that the Wristop computer will not alert the user, but the limits will however be used to calculate time spent in, above
and below the target heart rate zone.
the outer circumference will graphically show the heart rate level reached by the user, in relation to the heart rate limit set. the
circumference will adjust to equal any limit settings starting from the  o’clock position going clockwise. e.g. if the upper limit is set to
40 beats/minute and the lower limit to 30 beats/minute, one full circle on the outer circumference will equal 0 beats/minute.
2.6 sToPWaTCH sub Mode
the Wristop computer stopwatch feature can provide split time measurement up to 3 hours 59 minutes and 59 seconds up to 30 split
times and heart rate readings can be stored into the Hrm memory.
In the Hrm mode, press the [select] button once to enter this submode.
In the Stopwatch mode (Fig. 4):
• field  displays the seconds and tenths of a second,
• field  displays the current heart rate, and
• field 3 displays hours and minutes and to the far right “stopwatch”.
note: When the transmitter is not worn, field 2 displays the current time.
the hrm memory for one event is automatically activated when starting the stopwatch (or countdown timer). the memory stores total
training time, maximum, minimum and average heart rate during training, as well as time spent in, above and below the target heart rate
zone for one event. the next time the stopwatch (or countdown timer) is activated, the previous event’s information will be erased.
2.6.1 How to use the stopwatch
There are three timing modes the user can employ:
• an elapsed time measurement;
• a split time measurement; and
• a finish time measurement for up to 30 runners.
In the elapsed time mode:
. press the [+] button to start, stop, and restart the stopwatch in the stopwatch sub mode.