Casio A158WEA-9EF, F-91WC-2AEF, F-91WC-4A2EF, F-91WM-9AEF, W-59B-1AVEF Instruction manual
MA1211-ED
Operation Guide 10B+7L(Ver.C)
Reading the display
[
Regular timekeeping
mode
]
(Light)
Day
L
PM
C
MinutePM
Hour
SU: Sunday, MO: Monday, TU: Tuesday, WE: Wednesday, TH: Thursday, FR: Friday, SA: Saturday
(Changeover between 12-hour and 24-hour formats) In regular timekeeping mode,
with every push of A, the display is switched between 12-hour and 24-hour formats.
Date
Second
[Daily alarm mode]
Time-signal-on-mark
Alarmon-mark
Press
C.
A
Hour
Minute
Mode
indicator
[Stopwatch mode]
Mode indicator
Press
C.
Minute
Press C.
Second
1/100 second
[Time/calendar
setting mode]
Press
C.
PM
PM
Hour
Day
Minute
Date
Second
Setting daily alarm
If the daily alarm is set, the buzzer sounds for 20 seconds at the preset time every day
until cleared. To stop the buzzer, press the L button. If the time signal is set, the watch
sounds every hour on the hour.
(Sound demonstration) Press and hold the A button in alarm mode to sound the buzzer.
*
If the C button is pressed, the watch reverts to the regular timekeeping mode.
(Quick digit advance) When the A button is pressed for more than 2 seconds, the digit
advances quickly. When released, the digit advance will stop.
[On or off setting of daily alarm and time signal]
L
[Hour setting] [Minute setting]
L
[The alarm-onmark and timesignal-on-mark
disappear.]
Press
A.
AC
The daily alarm
and time signal
do not sound.
A
[The alarm-on-mark
only appears.]
Press
A.
C
Press L in the daily alarm mode to
set hour. One hour advances with
every push of A.
[The alarm-onmark and timesignal-on-mark
appear.]
The daily alarm
and time signal
sound.
Press L to set minute digits.
One minute advances with every
push of A. Press L to complete.*
[The time-signalon-mark only appears.]
Press
A.
The daily alarm
only sounds.
The time signal
only sounds.
Stopwatch operation
A signal confirms start/stop operation.
L
C
(a) Net time measurement
Start Stop Re-start Stop Reset
(b) Split time measurement
(c) 1st-2nd place times
Start
(Working range) The stopwatch display is limited to 59
minutes 59.99 seconds, for longer times reset and start
again.
A
Time loss
Split
Split
The first runner
finishes.
Split release
Stop
The second runner
finishes. Record the
time of the first runner.
Stop
Split release
Record the time
of the second
runner.
ResetStart
Reset
Press A.
Setting time and calendar
[
Regular timekeeping
L
PM
C
Press C three times
to change regular
timekeeping mode
to time/calendar
setting mode.
*
Precise time can be maintained by correcting the seconds once a month on a time signal from
a radio, TV, telephone, etc.
(Quick digit advance) When the A button is pressed for more than 2 seconds, the digit
advances quickly. When released, the digit advance will stop.
]
[Second adjusting] [Hour setting] [Minute setting]
PM
A
Press A to adjust
seconds.*
Press L to move to
the hour setting.
Press A to increase
the number.
Press L to move to
the minute setting.
Press A to increase
the number.
Specifications
Accuracy at normal temperature: ±30 seconds a month
Display capacity:
•Regular timekeeping mode
Hour, minute, second, am/pm, date and day
Calendar system: Auto-calendar set at 28 days for February
•Daily alarm mode
•Hourly time signal function
•Stopwatch mode
Measuring capacity: 59 minutes 59.99 seconds
Measuring unit: 1/100th of a second
Measuring modes: Normal time, net time, split time and 1st-2nd place times
Battery:
One lithium battery (type: CR-2016 –– except Module 1271/BR-2020 –– Module 1271 only)
Approx. 7 years operation on type CR-2016 (except Module 1271) /10 years on type BR2020 (Module 1271 only). [assuming alarm operation for 20 sec./day and one light operation
for 1 sec./day]
NOTE: THERE IS NO WAY unit components can be damaged or malfunction, due to
misoperation of buttons. If confusing information appears on the display it means entry
sequence was incorrect. Please read the manual and try again.
IMPORTANT: Setting sequence MUST BE FOLLOWED when making any new setting.
[Month setting]
Press L to move to the
month setting. Press A to
increase the number.
• Correction of any digit, if not required, can be skipped by pressing the L button
repeatedly.
• If you do not operate any button for a few minutes while a selection is flashing, the
flashing stops and the watch goes back to the regular timekeeping mode automatically.
[Date setting] [Day setting]
Press L to move to the date
setting. Press A to increase
the number.
Press L to move to the day
setting. Pressing A advanc-
es to the next day. And press
C to complete.
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