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OPERATING THE WATCH
SETTING THE COUNTDOWN TIMER
The Sportline Duo 1025 is equipped with a 24-hour Countdown Timer. To set Timer:
1. PRESS & HOLD the MODE/SET (MODE) key in Timer mode.
2. Adjust Hours by PRESSING START/STOP (S/S) or LAP/VIEW (L/V) . Set by
PRESSING MODE.
3. Adjust Minutes by PRESSING S/S or L/V. Set by PRESSING MODE.
4. Adjust Seconds by PRESSING S/S or L/V. Set by PRESSING MODE.
5. PRESS & HOLD the MODE key to exit the Programming Sequence and return to
Timer mode.
OPERATING THE COUNTDOWN TIMER
To operate the Timer:
1. To START timing, PRESS the START/STOP (S/S) key.
2. To STOP timing, PRESS the S/S key.
3. To RESET the Timer, PRESS & HOLD the LAP/VIEW key.
ADJUST: S/S or L/V
SET: MODE