Casio RFT-100 Service Manual & Parts List page 5

To set the event time
1. In the Stopwatch Mode, hold down A until the current
event time setting starts to flash in the lower display.
This is the setting screen.
• If the current event time is not displayed, use the
procedure under "To reset elapsed time measurement
to zero" to display it.
2. While a setting is flashing, use D (+) and B (–) to
change it.
• You can set the event time in the range of 1 minute to
60 minutes, in 1-minute units.
• "
xx " indicates there is no event time set.
3. Press A to exit the setting screen.
To start timing at the beginning of an event
When the current time in the lower display reaches the event start time, press B to
start timing.
• This will display elapsed time measurement in the upper and lower displays.
To pause timing
1. Press B . This stops elapsed time measurement in the upper display.
• Elapsed time measurement in the lower display continues.
2. To restart elapsed time measurement in the upper display, press B again.
When the preset event time is reached
• The watch performs an alert operation when the elapsed time measurement in the
lower display (total elapsed time since timing started) reaches the preset event time.
• Elapsed time measurement continues to be performed even after the preset event
time is reached.
To reset elapsed time measurement to zero
1. Press B . This stops elapsed time measurement in the upper display.
• Elapsed time measurement in the lower display continues.
2. Hold down D until the initial Stopwatch Mode screen appears.
Preset Timer
The watch includes a number of different preset times
Timekeeping Mode time
that you can select for the countdown start time.
The currently selected alert operation (beeper or
vibration) is performed when the countdown reaches zero.
• The following are the preset start times, all in minutes:
10, 12, 15, 20, 25, 30, 35, 40, 45.
• You can also select auto-repeat, which automatically
restarts the preset start time you selected, whenever
zero is reached.
• You can configure the watch for beeper alert or vibration
Preset timer time alert. For details about vibration alert, see "Vibration
Alert".
• All of the operations in this section are performed in the
Preset Timer Mode, which you enter by pressing C .
To perform a preset timer operation
1. In the Preset Timer Mode, use D to scroll through the
preset times until the one you want to use is displayed.
10 minutes 12 minutes
45 minutes 40 minutes
• To turn on auto-repeat, hold down A while a start
Number of repeats
time selection screen is displayed. The number of
repeats will appear above the timer time.
• Frequent use of auto-repeat and the alert operation
(beeper or vibration) can run down the battery.
Auto-repeat on indicator
2. Press B to start the countdown timer.
• Press B while a countdown operation is in progress
to pause it. Press B again to resume the countdown.
• When the end of the countdown is reached, an alert operation (beeper or vibration)
is performed for 10 seconds or until you stop it by pressing any button.
• When the end of the countdown is reached while auto-repeat is turned off, the watch
will go into an elapsed time operation and display how much time has elapsed since
the end of the countdown was reached. The elapsed time operation will stop
automatically when it reaches 60 minutes. At that time the countdown timer start
time selection screen will appear.
• When the end of the countdown is reached while auto-repeat is turned on, a new
countdown starts from the selected preset start time. The number of repeats is
displayed above the timer time. The number of repeats display changes to "
when the count reaches 100.
• To stop a countdown operation completely, first pause it (by pressing B ), and then
press D . This will display the initial Preset Timer Mode screen.
15 minutes 20 minutes
25 minutes
35 minutes 30 minutes
xx "
— 3 —
Interval Timer
With the interval timer, you can set up to nine start times,
Interval timer number
which are counted down in sequence one after the other.
Timekeeping
The interval timer can be used for interval training (for
Mode time
example, three minutes running with
with , five minutes running with
an multi-period event (for example, 45 minutes of play
with , 15 minutes rest with
with ).
• You can configure the watch for beeper alert or vibration
alert. For details about vibration alert, see "Vibration
Alert".
Start time
• The watch performs an alert operation (beeper or
(Minutes Seconds)
vibration) when any timer reaches zero.
• An alert operation (about one second) is performed when any interval timer (except
for the last one in the series) reaches zero. When the last interval timer in the series
reaches zero, an alert operation is performed for about five seconds.
• You can turn on an auto-repeat feature that restarts the timer sequence from the
beginning when the end of the last timer is reached.
• All of the operations in this section are performed in the Interval Timer Mode, which
you enter by pressing C.
To configure interval timer settings
1. In the Interval Timer Mode, hold down A until the
interval timer number starts to flash. This is the setting
screen.
2. Use D (+) and B (–) to scroll through the interval
timer numbers until the one you want to set is
displayed.
Press .
Press .
3. Press C to move the flashing in the sequence shown below to select other
settings.
Interval timer numbers Minutes
4. While a setting is flashing, use D and B to change it as described below.
Screen To do this:
Change the interval timer number
Change the minutes ( 00 - 59 )
03'00''
Change the seconds ( 00 - 55 , 5-second units)
Toggle auto-repeat on ( ) and off (
• Any timer whose start time is
will not be used during the interval timer
00'00''
operation.
• There is no auto-repeat for individual interval timers. In the Interval Timer Mode,
auto-repeat repeats the entire set of timers.
5. Set the times of all of the timers that you want.
Number of repeats
6. Press A to exit the setting screen.
• When auto-repeat is turned on, the number of repeats
will appear above the timer time.
• Frequent use of auto-repeat and the alert operation
(beeper or vibration) can run down the battery.
Auto-repeat on indicator
To perform an interval timer operation
In the Interval Timer Mode, press B to start the countdown of the lowest numbered
interval timer that has a start time setting that is not zero.
• To pause the interval timer that is currently counting down, press B . Press B
again to restart.
• During an interval timer operation, any interval timer whose start time is zero
00'00''
( ) is skipped.
• The first interval timer of the series is the lowest numbered one with a start time that
is not zero. The final interval timer of the series is the highest numbered one with a
start time that is not zero.
• While auto-repeat is turned off, the watch performs an alert operation (beeper or
vibration) when each interval timer reaches zero. An alert operation is performed for
about five seconds when the final interval timer reaches zero.
• While auto-repeat is turned on, the watch beeps (or vibrates) once when each
interval timer reaches zero. A five-second alert operation is performed when the final
interval timer reaches zero, unless the start time of the final interval timer is 10
seconds or less. In such a case, the alert operation for the final interval timer is only
one second long.
• Timing restarts from the first timer when the final interval timer reaches zero. The
number of repeats is displayed above the timer time. The number of repeats display
changes to " " when the count reaches 100.
xx
• An ongoing interval timer operation continues to be performed even if you exit the
Interval Timer Mode.
• To stop an interval timer operation, first press B to pause the countdown of the
current timer, and then press D . This will display Interval Timer 1 (
, 1 minute rest
) or for timing
, 45 minutes play
Seconds Auto-repeat
Do this:
Use D (+) and B (–).
Use D (+) and B (–).
Press D .
)
).