Suunto VYPER NOVO User Manual page 23

12:00
1. 1 2 TH
2. Keep [DOWN] pressed to enter apnea timer settings.
3. Adjust the ventilation time with [UP] or [DOWN] and confirm
with [SELECT].
4. Adjust the increment time with [UP] or [DOWN] and confirm
with [SELECT].
5. Adjust the number of intervals with [UP] or [DOWN] and confirm
with [SELECT].
To use the apnea timer:
1. Press [SELECT] to start the first interval. The timer counts down
the ventilation time. The countdown continues up to -0:30
seconds beyond the defined ventilation time.
2. Press [SELECT] to start the apnea cycle. You can start this at any
time during the ventilation countdown.
The apnea time is not defined in the watch. It is as long or short
as you choose.
3. Press [SELECT] again to start the next ventilation cycle.
4. Repeat until the end of the defined number of intervals.
5. Press [MODE] to exit the apnea timer.
You can reset the apnea timer by keeping [SELECT] pressed.
TIMER
Apena
2s
START
1:00
15: 0 0
TIME
23