Instruction Manual of
Digital Stopwatch Model TM-100S
Read this manual thoroughly before use, and keep it for future reference.
Names of Sections
Mode
Split/
Start/
Reset
Stop
1
1. Time segment
Initial mode: Current time is shown.
Stopwatch mode: Counted time is shown.
Time setting or alarm setting mode: Configured time or date is shown.
2. Day-of-the-week segment
Initial mode: Today's day of the week is lit.
Stopwatch mode:
- Before counting, "S," "F," and "S" blink while the others are lit.
- During counting, "S" and "S" blink while the others are lit.
- When a split time is displayed, "S," "T," and "S" blink while the others are lit.
- When counting for a second person finishes in dual stopwatch mode, "S," "T,"
"F," and "S" blink while the others are lit.
3. Lit when the current date and month is shown.
To Set Time and Date
1. To switch to time setting mode, press Mode key for three times when the clock is
shown. The second segment blinks at first. If Start/Stop key is pressed at this
Display
2
Alarm sign
3
moment, seconds will be reset to 00.
2. Press Split/Reset key next to let the minute segment blink. Press Start/Stop key
to set the current minute.
3. Press Split/Reset key again to make the hour segment blink. Press Start/Stop
key to set the current hour. A long press of Start/Stop key switches between 12-
hour clock and 24-hour clock.
4. Press Split/Reset key to show a blinking date, then press Start/Stop key to set it.
5. Press Split/Reset key once again to show a blinking month, then press Start/Stop
key to modify it.
6. Press Split/Reset key to let the day-of-the-week segment blink, then press
Start/Stop key to modify it.
7. Finally, press Mode key to revert to clock display.
To Set Alarm
1. To switch to alarm setting mode, press Mode key twice when the clock is shown.
The hour segment blinks at first, so modify it by pressing Start/Stop key.
2. Press Split/Reset key to let the minute segment blink. Press Start/Stop key to
configure it.
3. Press Mode key to finalize the alarm hour and minute and revert to clock display.
4. To enable or disable the alarm, press Split/Reset and Start/Stop keys
simultaneously. An alarm sign is lit on the display when enabled.
To Stop Alarm
1. To stop the alarm, press Split/Reset key while ringing. The alarm continues up to
59 seconds.
2. Pressing Start/Stop key while ringing works as a snooze button and let the alarm
rings again after 5 minutes.
To View Date and Alarm Time
The current date and month are displayed while Start/Stop key is kept pressing when
the clock is shown. On the other hand, the alarm time you have set can be seen
while Split/Reset key is kept pressing when the clock is shown.
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