Casio 3550 User manual

Operation Guide 3550
EN-9
Stopwatch Mode Time Setting
CC
C
Alarm Mode
xAfter you perform an operation in any mode, pressing Creturns to the
Timekeeping Mode.
xPress Bin any mode to illuminate the face of the watch.
EN-8
Selecting a Mode
xPress Cto change the mode.
* SU: Sunday MO: Monday TU: Tuesday WE: Wednesday TH: Thursday FR: Friday
SA: Saturday
Timekeeping Mode
CD
PM indicator
Day of week*
Month Day Year
Month Day
Hour : Minute
Second
EN-7
3. Use Dto change the selected setting.
Screen This setting item:
Reset the second to 00
x30 to 59 seconds: Adds 1 to minutes
Change the hour or minute
xHolding down Dchanges the current selection at high speed.
Toggle between 12-hour (12HR) and 24-hour (24HR)
timekeeping
Change the year, month, day, or day of the week
xHolding down Dchanges the current selection at high speed.
4. Press Cto exit the setting screen.
xThe watch returns to the Timekeeping Mode automatically if you do not perform
any button operation for one or two minutes in the Time Setting Mode.
EN-6
Configuring Time and Date Settings
To configure time and date settings
1. In the Timekeeping Mode, press Cthree times. This causes
the seconds to flash on the display.
2. Press Ato move the flashing in the sequence shown below
to select a setting.
Second Hour
Month
Minute
12/24-Hour Format
Year
A
A
A
A
A
A
A
A
2
3
4
Day of the week
Day
7
6
1
5
EN-5
Watch Features
You can also find information
about operational procedures
at the CASIO website.
https://s.casio.jp/mw/en/3550/
◆Alarm
◆Stopwatch
EN-4
Main Indicators ................................................................................................. EN-15
Specifications ................................................................................................... EN-16
EN-3
Contents
About This Manual.............................................................................................. EN-2
Watch Features................................................................................................... EN-5
Configuring Time and Date Settings................................................................. EN-6
To configure time and date settings ................................................................EN-6
Selecting a Mode................................................................................................ EN-8
Alarm.................................................................................................................. EN-11
To set the alarm time .....................................................................................EN-12
To stop the alarm ...........................................................................................EN-13
To enable and disable the Daily Alarm and Hourly Time Signal.....................EN-13
To test the alarm ............................................................................................EN-13
Stopwatch ......................................................................................................... EN-14
To measure elapsed time...............................................................................EN-14
EN-2
About This Manual
xButton operations are indicated using the letters shown in
the illustration.
xEach section of this manual provides you with the information
you need to perform operations in each mode.
xNote that the product illustrations in this manual are intended
for reference only, and so the actual product may appear
somewhat different than depicted by an illustration.
EN-1
ENGLISH
You can also find information about
operational procedures at the CASIO website.
https://s.casio.jp/mw/en/3550/
MA2209-EA © 2023 CASIO COMPUTER CO., LTD.

Operation Guide 3550
EN-17
Other:
LED light
Battery:
CR1216 x 1
Battery life: Approximately 2 years
Conditions:
– Alarm: Once (20 seconds)/day
– Illumination: Once (1.5 seconds)/day
Specifications are subject to change without notice.
EN-16
Specifications
Accuracy:
±30 seconds per month average.
Basic Functions:
Hour, minute, second, year, month, day, day of the week, a.m./p.m. (P)/24-hour
timekeeping
Full Auto Calendar (2000 to 2099)
Alarm:
Setting units: Hour, minute
Beeper: 20 seconds
Hourly time signal: Watch beeps every hour on the hour.
Stopwatch:
Measuring units: 1/100 second
Measuring capacity: 59 minutes, 59.99 seconds (60 minutes)
EN-15
Main Indicators
Number Name See
1PM indicator EN-8
2Stopwatch Mode EN-14
3Hourly time signal on indicator EN-13
4Alarm on indicator EN-13
2
3
4
1
EN-14
Stopwatch
The Stopwatch Mode lets you measure
elapsed time. The range of the stopwatch is
59 minutes, 59.99 seconds.
To measure elapsed time
DD D D A
Start Stop Resume Stop Reset
Minutes: Seconds
1/100 second
EN-13
To stop the alarm
Press any button to stop the alarm after it starts to sound.
To enable and disable the Daily Alarm and Hourly Time Signal
Press Dwhile in the Alarm Mode to change the settings of the Daily Alarm and
Hourly Time Signal in the following sequence.
Both enabled Both disabled Daily Alarm only Hourly Time
Signal only
DDDD
To test the alarm
Hold down Dwhile in the Alarm Mode to sound the alarm.
EN-12
To set the alarm time
1. In the Alarm Mode, press A.
Hour setting
AA
Minute setting
Normal Alarm Mode
(No flashing)
2. Press Dto increase the flashing digits.
xHolding down Dchanges the setting at high speed.
xPress Cto return to the Timekeeping Mode.
EN-11
Alarm
When the Daily Alarm is turned on, the alarm sounds for 20 seconds at the preset
time each day. When the Hourly Time Signal is turned on, the watch beeps every
hour on the hour.
xThe watch returns to the Timekeeping Mode automatically if you do not perform
any button operation for one or two minutes in the Alarm Mode.
EN-10
You can also find information about operational
procedures at the CASIO website.
https://s.casio.jp/mw/en/3550/