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© 2015 CASIO COMPUTER CO., LTD.
MA1605-EC
Basic Operations
This section provides an overview of the watch
and its operations.
Note
The illustrations included in this
manual have been created to
facilitate explanation. An illustration
may differ somewhat from the item it
represents.

General Guide

① ②
⑦ ⑥
A Hour hand
B Second hand
C Minute hand
D 24-hour hand
E Crown
F Day indicator
G Small minute hand
H Small hour hand
I Small 24-hour hand
J Mode hand
Operation Guide 5455
Watch Face Items
A Day of the week
B Airplane Mode
C Stopwatch Mode
D Timer Mode
E Alarm Mode
F Summer time setting
G Approximate latitude
(N side: North latitude, S side: South
latitude)
H Alarm off
I Alarm on
J Time calibration reception in progress
K GPS signal time information and position
information acquisition in progress
L GPS signal time information reception in
progress
M Last GPS or time calibration signal receive
(acquisition) result
N When checking the last receive result:
"P": Last receive (acquisition) was for GPS
signal time information and position
information
"N": Last receive was for GPS signal time
information or time calibration signal
When setting the Home City or World
Time City:
"P": With position information
"N": Without position information
④ ⑤
⑪ ⑫
Navigating Between Modes
Your watch has four modes.
You tell which mode the watch is currently in
by checking the position of the mode hand.
Timekeeping Mode (normal timekeeping):
Current day of the week
Stopwatch Mode: ST (STW)
Timer Mode: TR
Alarm Mode: AL
Timekeeping Mode
C
Alarm Mode
Stopwatch Mode
Timer Mode
C
Use the (C) button to navigate between
modes.
Hold down (C) for at least two seconds to
return to the Timekeeping Mode.
Holding down (C) for four seconds or longer
will enter or exit the Airplane Mode. The
mode hand points to h while the watch is in
the Airplane Mode.
Using the Watch on an Aircraft
l
C
C
1

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Table of Contents
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Summary of Contents for Casio 5455

  • Page 1: General Guide

    © 2015 CASIO COMPUTER CO., LTD. MA1605-EC Operation Guide 5455 Basic Operations Watch Face Items Navigating Between Modes This section provides an overview of the watch Your watch has four modes. and its operations. You tell which mode the watch is currently in ⑥...
  • Page 2: Mode Overview

    Operation Guide 5455 Timer Mode Mode Overview Using the Crown The main hour and minute hands indicate the Timekeeping Mode The crown is a simple lock type. current time. Before using the crown, first unlock it. The second hand, and the small hour and...
  • Page 3: Changing Hand And The Day Indicator Settings

    Operation Guide 5455 Charging the Watch Changing Hand and the Day Note Indicator Settings When you are not wearing the watch, put it in a location where it is exposed to bright light. Exposing the watch face to light after ●...
  • Page 4: Checking The Charge Level

    Operation Guide 5455 Time Adjustment (GPS, Checking the Charge Level Power Saving Function Time Calibration The charge level is indicated by watch hand Leaving the watch in a dark location for about movement. Functions become disabled as one hour between the hours of 10 p.m. and 6 Signal) battery power goes low.
  • Page 5 Operation Guide 5455 Acquiring GPS Position Information Time Adjustment Using GPS If position information acquisition is ● Manually successful, the second hand will move to “Y(YES)” and then the watch will Appropriate Signal Reception You can use a button operation to acquire...
  • Page 6: Acquiring Gps Time Information Manually

    Operation Guide 5455 Acquiring GPS Time Information Leap seconds Note Manually A GPS signal received on or around June 1 or You can use a button operation on the watch December 1 each year may also include leap Reception takes anywhere from ●...
  • Page 7: Time Calibration Signal Reception Ranges

    Operation Guide 5455 Time Calibration Signal Reception Auto Time Calibration Signal Checking the Receive Ranges Receive Operation Result Time calibration signal reception is supported An automatic time calibration signal receive You can use the procedure below to check the in the areas shown below.
  • Page 8: World Time

    Operation Guide 5455 Using the Watch on an Signal Reception Selecting a Time Zone Precautions Aircraft Use the procedure in this section to select a World Time city (time zone). If you are in an When the watch is unable to adjust its time Enter the Airplane Mode when in an aircraft or ●...
  • Page 9: Swapping Your Current Location Time And World Time

    Operation Guide 5455 Swapping Your Current Measuring Elapsed Time Press (A) to change the summer time Location Time and World setting. Time Hour (24-hour time) While the mode hand is pointed at “AT ● (AUTO)”, “STD”, or “DST”, you can hold...
  • Page 10: Illumination Light

    Operation Guide 5455 Alarms Setting the Timer Start Time Stopping an Alarm The watch will beep when the alarm time is While the alarm is sounding, press any button Pull out the crown to the first click. reached. to stop it.
  • Page 11: Adjusting Time Settings Manually

    Operation Guide 5455 Adjusting Time Adjusting the Time and Day Rotate the crown to change the time zone. Settings Manually Setting You can also select a time zone whose ● name is not indicated on the face of the You can use the procedure below to adjust the Pull out the crown to the second click.
  • Page 12: Adjusting Hand And Day Indicator Alignment

    Operation Guide 5455 Adjusting Hand and Day Press (C). If the mode hand or the day indicator is not Indicator Alignment in the proper position, rotate the crown to This changes to the month setting move the mode hand to 12 o’clock and the operation.
  • Page 13: Moving To Another Time Zone

    Operation Guide 5455 Moving to Another Time Other Information Summer Time Table Zone When “AT (AUTO)” is selected for a city that observes summer time, switching between Use the procedure below to easily change day City (Time Zone) List standard time and summer time will be...
  • Page 14: Troubleshooting

    Operation Guide 5455 Troubleshooting Map Data Source The signal receive operation always fails. This watch uses the map database of Tokyo Cartographic Co., Ltd. Signal Reception (GPS) Is the watch in a location that is appropriate for signal reception? Check your surroundings and move the...
  • Page 15: Calibration Signal

    Operation Guide 5455 Signal Reception (Time Alarms The signal receive operation always Calibration Signal) fails. The alarm does not sound. Is the watch in a location that is appropriate The watch cannot perform a receive for signal reception? operation. Is the watch’s battery charged?
  • Page 16 Operation Guide 5455 Crown Operations The hands suddenly start moving at high speed. Nothing happens when I rotate the This is due to one of the reasons below, and crown. does not indicate malfunction. Simply wait until normal hand movement resumes.

Table of Contents