MA1901-EA
© 2019 CASIO COMPUTER CO., LTD.
User’s Guide 5605
For a full Operation Guide and Q&A
information about this product, go to the
website below.
https://world.casio.com/manual/wat/
E-2
Configuring Home City, Time and Date Settings
x Configure Home City and summer time settings first. After that, configure time and
date settings.
Seconds
1. In the Timekeeping Mode, hold down A until the
seconds start to flash, which indicates the setting
screen.
Congratulations upon your selection of this CASIO watch.
To ensure that this watch provides you with the years of service for which it is
designed, carefully read and follow the instructions in this manual, especially the
information under “Operating Precautions” and “User Maintenance”.
Be sure to keep all user documentation handy for future reference.
Important!
x This manual provides a brief overview of your watch.
Contents
Configuring Home City, Time and Date Settings ............................................. E-4
Mode Selection and Operations .......................................................................E-7
Specifications ................................................................................................... E-14
Operating Precautions ..................................................................................... E-16
User Maintenance ............................................................................................ E-26
2. Press C to move the flashing in the sequence shown below to select the other
ENGLISH
settings.
Seconds DST
C C C
Day
Hour
Month
Minutes
C
Year
CCC
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E-3
E-4
3. Use B and D to change the selected setting.
Screen To do this: Do this:
4. Press A twice to exit the setting screen.
E-6
x A (at least 1 second): Time, date setting screen
A: Home Site Data Setting Screen
C: Cycles between UTC differential, longitude, east longitude/west longitude, lunitidal interval
hours, lunitidal interval minutes.
D,B: Change selected setting.
x A: Exits setting screen.
E-8
Reset the seconds to 00
Toggle between Daylight Saving Time
/
(ON) and Standard Time (OF)
Change the hour or minutes
Change the year
Change the month or day
Timekeeping Mode
Press D.
Use D (+) and B (–).
Switches between
12-/24-hour time.
E-5
Mode Selection and Operations
x Press C to cycle between modes.
CC
Hand Setting Mode
C
C
Switches between
TIDE/MOON screens.
x A (at least 1 second): Date setting screen
C: Selects year, month, or day.
D,B: Change selected setting.
x A: Exits setting screen.
Timekeeping Mode
C
Moon/Tide Data Mode
x Scrolls hour forward (TIDE screen).
x Scrolls day forward (MOON screen).
Moon/Tide Data Mode
C
Stopwatch ModeDual Time Mode
C
Countdown Timer Mode Alarm Mode
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E-9
User’s Guide 5605
Stopwatch Mode
Split/Reset
Start/Stop
D
Start Stop Reset
E-10
x A (at least 1 second): Dual Time setting
screen
C: Selects DST, hour, minute.
D: DST setting
D,B: Change selected setting.
x A: Exits setting screen.
E-12
D A
Dual Time Mode
Countdown Timer Mode
Reset
Start/Stop
x A (at least 1 second while start time
displayed): Start time setting screen
C: Selects hours, minutes, auto repeat
(on/off).
D,B: Change selected setting.
D: Auto-repeat on/off
x A: Exits setting screen.
Hand Setting Mode
x A (at least 1 second): Analog hand setting
screen
D: Advances minute hand 20 seconds.
B (holding down D): Locks high-speed
hand movement.
x A: Exits setting screen.
Specifications
Accuracy at normal temperature: ±30 seconds a month
Digital Timekeeping: Hour, minutes, seconds, a.m./p.m. (P), month, day, day of
Time format: 12-hour and 24-hour
Calendar system: Full Auto-calendar pre-programmed from the year 2000 to 2099
Other: Daylight Saving Time (summer time)/Standard Time; Home Site data
settings (UTC differential, longitude, lunitidal interval)
Analog Timekeeping: Hour, minutes (hand moves every 20 seconds)
Moon/Tide Data: Tide level for a specified date and time; Moon phase indicator
Stopwatch:
Measuring unit: 1/100 second
Measuring capacity: 23:59'59.99"
Measuring modes: Elapsed time, split time, two finishes
E-14
the week
and Moon age for a specified date
Selects alarm
on, snooze on,
alarm off.
x A (at least 1 second): Alarm time setting screen
C: Selects hour, minute, month, day.
D,B: Change selected setting.
x A: Exits setting screen.
Light
x B: Illuminates face.
Countdown Timer:
Measuring unit: 1 second
Input range: 1 minute to 24 hours (1-minute increments and 1-hour increments)
Time up alert duration: 10 seconds
Other: Auto-repeat timing
Alarms: 3 Multi-function alarms* (1 with snooze feature); Hourly Time Signal
* Alarm type: Daily alarm, Date alarm, 1-month alarm, Monthly alarm
Alert duration: 10 seconds
Dual Time: Hour, minutes, seconds, a.m./p.m. (P)
Other: Daylight Saving Time (summer time)/Standard Time
Illumination: LED (light-emitting diode); Auto Light Switch; selectable illumination
Other: Button operation tone on/off
Battery: One lithium battery (Type: CR1220)
duration (approximately 1.5 seconds or 3 seconds)
Approximately 3 years on type CR1220 (assuming alarm operation 10 sec./day
and one illumination operation 1.5 sec./day)
Frequent use of illumination runs down the battery.
Alarm Mode
Scrolls alarm screens.
Specifications are subject to change without notice.
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E-13
E-15
Site/Lunitidal Interval Data List
Anchorage –9 149°W 5:40
Bahamas –5 77°W 7:30
Baja, California –7 110°W 8:40
Bangkok +7 101°E 4:40
Boston –5 71°W 11:20
Buenos Aires –3 58°W 6:00
Casablanca +0 8°W 1:30
Christmas Island +14 158°W 4:00
Dakar +0 17°W 7:40
Gold Coast +10 154°E 8:30
Great Barrier Reef, Cairns +10 146°E 9:40
Guam +10 145°E 7:40
L-2
Site
UTC Differential
Standard Time
Longitude Lunitidal Interval
Site/Lunitidal Interval Data List
Hamburg +1 10°E 4:50
Hong Kong +8 114°E 9:10
Honolulu –10 158°W 3:40
Jakarta +7 107°E 0:00
Jeddah +3 39°E 6:30
Karachi +5 67°E 10:10
Kona, Hawaii –10 156°W 4:00
Lima –5 77°W 5:20
Lisbon +0 9°W 2:00
London +0 0°E 1:10
Los Angeles –8 118°W 9:20
Maldives +5 74°E 0:10
Manila +8 121°E 10:30
Site
UTC Differential
Standard Time
Longitude Lunitidal Interval
L-1
L-3