Tech4o Altimeter Watch, Owner'S Manual

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2.1  Time / Date Mode - Setting

• In Time / Date mode press and hold the Set/+ button [s/+] for 

two seconds.

• The 12 H / 24 H indicator will flash. Press [o/-] button to select 

between a 12 or 24 hour clock feature. Press the [o/o] button 
to confirm.

• The hours indicator will flash. Press [s/+] and [o/-] buttons to 

select the correct hour. Press the [o/o] button to confirm.

• The minutes indicator will flash. Press [s/+] and [o/-] buttons to 

select the correct minutes. Press the [o/o] button to confirm .

• The month indicator will flash.Press [s/+] and [o/-] buttons to 

select the correct month. Press the [o/o] button to confirm.

• The days indicator will flash. Press [s/+] and [o/-] buttons to 

select the correct day. Press the [o/o] button to confirm .

• The year indicator will flash. Press [s/+] and [o/-] buttons to 

select the correct year. Press the [o/o] button to confirm.

• Date / Time Mode quick set is now complete.

3.0  Daily Alarm Mode - Display

This watch includes a daily alarm. When the 

daily alarm is ON, the alarm will sound for 
30 seconds at the alarm time every day.

• To view the daily alarm display, press the 

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

• When the daily alarm is turned on, the 

watch will display alarm on the main 
screen.

3.1  Daily Alarm Mode - Setting

• To set the daily alarm, press and hold the [s/+] button for 2 

seconds. When in the alarm sub-mode the hour will flash. Press 
[s/+] and [o/-] buttons to adjust the hours. Press the [o/o] 
button to confirm.

• At this time, the minutes will flash. Press [s/+] and [o/-] buttons 

to adjust the minutes. Press the [o/o] button to confirm.

• Press the [o/o] button again to turn the alarm on or off.