2. OPERATION CHART : QW-1634 / 1635
GENERAL GUIDE
If the digital display of your watch is continually changing, see OAUTO DISPLAY FUNCTION� for information on how to stop it.
Press D to change from mode to mode.
In any mode, press A to illuminate the display for about two seconds.
Display text appears either as black-on-white or white-on-black, depending on the model of your watch. All sample displays in this manual are shown as black-on-white.
Timekeeping ModeData Bank ModeAlarm ModeStopwatch Mode
TIMEKEEPING MODETo select a city code
1.In the Timekeeping Mode, hold down B for about two seconds to display the Dual
In the Timekeeping Mode you can view the current time and current date for your
Time screen.
home time zone, as well as the current time in one other time zone.
The Dual Time screen is the one with the DUAL indicator.
Home TimeDual TimeDateIf you want to change the Home Time city code, display the Home Time screen
instead of the Dual Time screen.
Hour : MinutesCity Code2.Hold down C until the city code starts to flash.
SecondsMonth - Date3.Use A and B to scroll through the city codes until you find the one you want to set.
Day of weekB scrolls forward, while A scrolls back through city codes. Holding down either
button scrolls through the city codes at high speed.
See the OCITY CODE TABLE� at the back of this manual for a complete list of
available codes.
4.After you select a city code, press C to return to the Timekeeping Mode.
To switch between standard time and daylight saving time
Daylight Saving Time (DST), which is also sometimes called Osummer time,� advanc-
DUAL indicatorDATE indicatores the time for one hour, as is the custom in some areas during the summer. Remem-
ber that not all countries or even local areas use Daylight Saving Time.
You can separately specify one of 40 cities around the world for your Home Time
and Dual Time. See the OCITY CODE TABLE� at the back of this manual for a list of
1.In the Timekeeping Mode, use B to display the time screen (Home Time or Dual
available time zones.Time) whose Daylight Saving Time setting you want to change.
To switch between the Home Time and Dual Time screens, hold down for about2.Hold down CB until the city code starts to flash.
two seconds. The DUAL indicator remains on the display in all modes while the3.Use DDST indicator to select the DST On/Off setting.
Dual Time screen is selected.The DST indicator flashes along with the current on AN)/(
Pressing B while the Home Time screen is on the display shows the city code ofoff (Af) setting.
the Dual Time, followed by the current time in that city. After a few moments, the
4.Press B to toggle Daylight Saving Time on and off.
display changes back to the Home Time Screen. Pressing B while the Dual Time5.After you are finished making the setting you want, press
screen is on the display momentarily shows the Home Time city code and then
C to return to the Timekeeping Mode.
time.The DST indicator appears on the display to indicate
To display the Date screen, press C. The Home Time date appears if C is pressedthat daylight saving time is turned on.
while the Home Time screen is displayed, while the Dual Time date appears if C isThe daylight saving time setting you make is applied
pressed while the Dual Time screen is displayed. In either case, the display changes
only to the time (Home Time or Dual Time) whose screen
back to the time screen after a few moments.is on the display when you start the above procedure.
Whenever you enter the Timekeeping Mode, the display first shows the city codeYou have to make separate settings for Home Time and
(for either the Home Time or Dual Time, depending on what screen was on the
Dual Time.
display the last time you left the Timekeeping Mode), and then the current time in
that city.About the backlight
In any mode, press A to illuminate the display for about two seconds.
To set the time and dateThe portion of the display illuminated by the backlight depends on the watch model.
Times and dates are linked, so changing the setting for any time zone (city) automat-
With some models, smaller indicators may not be made visible by backlight illumina-
ically changes the setting for all other time zones. The following time and date setting
tion. Be especially careful when checking the Home Time and Dual Time indicators.
procedure is explained using the Home Time screen, but you can also change set-
The backlight of the watch employs an electro-luminescent (EL) light, which loses
tings using the Dual Time screen. See OTo select a city code� for details on selecting
illuminating power after very long use.
a time zone for the Home Time and Dual Time screens.The illumination provided by the backlight may be hard to see when viewed under
City Code1.In the Timekeeping Mode, hold down B until the Home direct sunlight.
Time Screen appears.The watch will emit an audible sound whenever the display is illuminated. This is
2.Hold down C until the city code starts to flash. The citycaused by a transistor that vibrates when the EL panel lights up. It does not indicate
code flashes because it is selected.malfunction of the watch.
3.Use A and B to scroll through the city codes until youThe backlight automatically stops illuminating whenever an alarm sounds.
find the one you want to set as your home city.
B scrolls forward, while A scrolls back through city
codes. Holding down either button scrolls through the
DATA BANK MODE
city codes at high speed.Mode indicator
The Data Bank Mode lets you store up to 30 pairs of name
See the OCITY CODE TABLE� at the back of this manu-
and telephone number data. Data is automatically sorted
al for a complete list of available codes.based on the characters of the name. You can recall data
4.Press D to change the selection in the sequence below.by scrolling through it on the display.
See OTo switch between standard time and daylight saving time� for details on DSTSee the OCHARACTER LIST� at the back of this manual
On/Off setting.for details on how the watch sorts data.
The Remaining Memory Screen appears when there is
no data stored in memory, or when you scroll to the lo-
cation between the last and the first data items stored in
City CodeDST SecondsHourMinutes
On/Off
memory.
NameThe name screen of the data item on the display when
DateMonthYear12/24-Hour formatyou exit the Data Bank Mode appears first the next time
you enter the Data Bank Mode.
If you do not operate any button for a few minutes while
5.While the seconds digits are selected (flashing), pressin the Data Bank Mode, the watch automatically goes
B to reset the seconds to AA. If you press B while theback to the Timekeeping Mode.
seconds count is in the range of 30 to 59, the seconds
[Remaining Memory Screen]
are reset to and 1 is added to the minutes. If theAA
seconds count is in the range of 00 to 29, the minutes
To input new Data Bank data
count is unchanged.Cursor1.In the Data Bank Mode, press B until the remaining
memory screen appears.
6.While hour, minutes, year, month, or date is selected (flashing), press B to in-If the messageFULL appears on the display, it
crease the number or A to decrease it. While the 12/24-hour setting is selected,means that memory is full. To store more data, you will
press B to switch between the two formats.first have to delete some of the data stored in memory.
Holding down either button changes the current selection at high speed.2.Hold down C until the flashing cursor appears on the
When the 12-hour format is selected, the indicator appears on the display.BCLdisplay.
With the 12-hour format, the PM indicator appears on the display to indicate Op.m.�
A separator is input automatically between the last char-
times. There is no indicator for Oa.m.� times. Selecting the 24-hour format causes
acter and the first character of the data.
the CZL indicator to appear on the display.The NAME indicator appears when the cursor is cur-
7.After you set the time and date, press C to return to the Timekeeping Mode (HomeSeparatorNAME indicatorrently located in the text field.
Time screen).
The day of the week is automatically set in accordance with the date.
The date can be set within the range of January 1, 1995 to December 31, 2039.
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 Timekeeping Mode automatically.
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ACEC
CASIO
