Tech4o Alti-Ski Manuale Utente

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Press the [o/-] button to confirm selection and advance to the 
countdown timer mode.

4.0 Countdown Timer Mode - Display
This watch includes a countdown timer. 
• To view the countdown timer, press the 

[o/-] button twice while in time/date 
mode.

• When the countdown timer is selected, 

the watch will display the countdown 
time in the top row and the current home 
time in the bottom row.

4.1 Countdown Timer Mode - Setting
• To set the countdown timer, press and hold the [s/+] button for 2 

seconds. The hours will flash.

• Use the [s/+] and [o/-] buttons to adjust the hours. Press the [o/o] 

button to confirm selection.

• At this time, the minutes will flash.

• Use the [s/+] and [o/-] buttons to adjust the minutes. Press the 

[o/o] button to confirm selection.

• Use the [s/+] and [o/-] buttons to adjust the seconds. Press the 

[o/o] button to confirm selection and finish.

4.2 Countdown Timer Mode 
Using the Countdown Timer
• When in countdown timer mode, press the [o/o] button to 

start the countdown.

• Press the [o/o] button again to stop the countdown.
• Press the [o/o] button again to resume the countdown
• When the countdown timer expires the alarm will sound for 

30 seconds and the timer will reset to the last countdown 
timer setting.

• Press the [o/-] button to proceed to the Stopwatch Mode.
5.0 Stopwatch Mode - Display
This watch features 5 individual 

stopwatch counters. 

• The measuring unit of the stopwatch 

is 1/100 seconds for the first 59 
minutes, 59.99 seconds. After 
reaching 1 hour of cumulative time, 
the measuring unit changes to 1 
second and the measuring range is 99 
hours, 59 minutes, 59 seconds