365510-EN v2.3 07/13
SPLIT/RESET MODE START/STOP
DISPLAY Alarm Bell
USER GUIDE
Model 365510
Digital Stopwatch
Introduction
Congratulations on your purchase of the Extech 365510 Digital Stopwatch with Split Time,
Two Competitor monitoring, Alarm and Clock features. The accuracy of the clock is ±3
seconds per 24 hours. Careful use of this stopwatch will provide years of reliable service.
Operation
NORMAL MODE
1. In Normal Mode the Hours/Minutes/Seconds and the day of week is displayed.
2. Press and hold the SPLIT/RESET button to view the Alarm Time.
3. To turn the Alarm ON or OFF, press the START/STOP button while holding down
the SPLIT/RESET button (the bell icon in the upper right-hand corner of the
display is on when the Alarm is turned ON).
4. Press and hold START/STOP to view the calendar month and date.
STOP WATCH MODE (To access, press the MODE button once from Normal Mode)
When the Stopwatch Mode is first accessed, the SU-FR-SA icons will flash.
A. Elapsed Timer
1. Press Start/Stop to Start (SU-SA icons flash)
2. Press Start/Stop to Stop (SU-FR-SA icons flash)
3. Press Start/Stop Restart
4. Press Start/Stop to Stop
5. Press Split/Reset to reset the display. Press MODE to return to Normal Mode.
B. Split Time
1. Press Start/Stop to Start (SU-SA icons flash)
2. Press Split/Reset to Split (SU-TH-SA icons flash)
3. Press Split/Reset to release Split (SU-SA icons flash)
4. Press Start/Stop to Stop (SU-FR-SA icons flash)
5. Press Split/Reset to reset the display. Press MODE to return to Normal Mode.
C. Two Competitor Timer
1. Press Start/Stop to Start (SU-SA icons flash)
2. Press Split/Reset to Split (SU-TH-SA icons flash)
3. Press Start/Stop to Stop (SU-TH-FR-SA icons flash)
4. Press Split/Reset to release Split (SU-FR-SA icons flash)
5. Press Split/Reset to reset the display. Press MODE to return to Normal Mode.
NOTE: Press all three buttons simultaneously to reset to the Elapsed Timer mode.
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