Buttons and Functions
A
/SET
Button
D
MODE/NXT
Button
Definition of the buttons: 
: Night Lite 
: Alarm STR/LAP: Start/Lap
Part I
B
/STR/LAP
Button
C
/STP/RESET/
Button
NXT: Next
STP: Stop
/SET Button A
-Press momentarily to activate the light for 3 seconds;
-Press & hold for 3 seconds to enter or exit the set mode; to enter or exit the Program Mode from the analog time display.
-Press & hold for 3 seconds in the Recall Data Mode to enter Reset Stopwatch Mode.
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