Casio A158WA Operating instructions
- Category
- Watches
- Type
- Operating instructions
Casio A158WA: a reliable digital watch with a classic design. Features include a stopwatch, daily alarm, and hourly time signal. The stopwatch can measure up to 59 minutes 59.99 seconds in 1/100th-second increments. The daily alarm sounds for 20 seconds at the preset time each day, while the hourly time signal chimes every hour on the hour. Water-resistant and with a long battery life of approximately 7 years, it's perfect for everyday wear.
Casio A158WA: a reliable digital watch with a classic design. Features include a stopwatch, daily alarm, and hourly time signal. The stopwatch can measure up to 59 minutes 59.99 seconds in 1/100th-second increments. The daily alarm sounds for 20 seconds at the preset time each day, while the hourly time signal chimes every hour on the hour. Water-resistant and with a long battery life of approximately 7 years, it's perfect for everyday wear.
1
Operation Guide 10B+7L(Ver.C)
PM
PM
Reading the display
[
Regular timekeeping
mode
][Stopwatch mode] [Time/calendar
setting mode]
[Daily alarm mode]
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.
Day
Minute
Date
(Light) Mode indicator Day
Hour
PM
MinutePM
1/100 second Minute
Hour
Second
Hour
Date Mode
indicator
Alarm-
on-mark
Time-signal-on-mark
Press
C.Press
C.Press
C.
Second
A
C
Minute Second
Press C.
L
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.
[Hour setting] [Minute setting]
Press L to set minute digits.
One minute advances with every
push of A. Press L to complete.*
Press L in the daily alarm mode to
set hour. One hour advances with
every push of A.
A
C
L
[On or off setting of daily alarm and time signal]
[The alarm-on-
mark and time-
signal-on-mark
appear.]
[The alarm-on-
mark and time-
signal-on-mark
disappear.]
[The time-signal-
on-mark only ap-
pears.]
The daily alarm
and time signal
sound.
The daily alarm
and time signal
do not sound.
The daily alarm
only sounds. The time signal
only sounds.
Press A.
Press
A.Press
A.Press
A.
[The alarm-on-mark
only appears.]
AC
L
Stopwatch operation
A signal confirms start/stop operation.
(Working range) The stopwatch display is limited to 59
minutes 59.99 seconds, for longer times reset and start
again.
C
L
A
(a) Net time measurement
Start Stop Re-start Stop Reset
Reset
ResetStart Split Split release Stop
Start Split
The first runner
finishes.
Stop
The second runner
finishes. Record the
time of the first runner.
Split release
Record the time
of the second
runner.
(b) Split time measurement
(c) 1st-2nd place times
Time loss
IMPORTANT: Setting sequence MUST BE FOLLOWED when making any new setting.
[Month setting] [Date setting] [Day setting]
•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 automat-
ically.
Press L to move to the
month setting. Press A to
increase the number.
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.
Setting time and calendar
[
Regular timekeeping
]
PM
Press A to adjust
seconds.*
PM
[Second adjusting] [Hour setting] [Minute setting]
Press C three times
to change regular
timekeeping mode
to time/calendar
setting mode.
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.
A
C
L
*
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.
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 BR-
2020 (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.
MA1211-ED
Warranty Terms and Conditions
Please get your Casio product registered for warranty by visiting https://register.casio.in
Customers can upload their warranty documents on the above registration link and get a unique
registration code for the product. Registration code is to be quoted at the time of warranty claim, customer
would not need to carry the warranty documents to the service center
Warranty duration
Casio India Co., Private Limited provides free warranty services against manufacturing defects for all
Casio-India products. The warranty period is mentioned on the warranty cards for respective products
Warranty conditions
Casio-India products which are under Warranty and having manufacturing defects shall be repaired
"FREE OF COST". Customer shall show original Warranty card and copy of purchase-bill for availing
warranty service. The Warranty is valid only in country of purchase (India).
Product having following problems shall be treated as out of warranty :
· Physical damage to Liquid Crystal Display
· Scratches on the body of the product.
· Physical damage to plastic parts.
· Mishandling of product.
· Battery leakage.
· Used bands of watches.
· Water seepage.
· Broken bands of watches.
· Missing parts.
· Fading of printing.
· Wear and tear of switches.
· Discoloration of product parts including cases, bands/straps.
For more information please visit https://www.casio-intl.com/in/en/support/warranties
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Casio A158WA Operating instructions
- Category
- Watches
- Type
- Operating instructions
Casio A158WA: a reliable digital watch with a classic design. Features include a stopwatch, daily alarm, and hourly time signal. The stopwatch can measure up to 59 minutes 59.99 seconds in 1/100th-second increments. The daily alarm sounds for 20 seconds at the preset time each day, while the hourly time signal chimes every hour on the hour. Water-resistant and with a long battery life of approximately 7 years, it's perfect for everyday wear.
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