Casio 2490 User Manual

About This Manual
• Button operations are indicated using the letters shown
in the illustration.
• This watch is equipped with two color LCD panels. For
the sake of simplicity, the screen shots in this manual
are shown using only one color.
• Each section of this manual provides you with the
information you need to perform operations in each
mode. Further details and technical information can be
(Light)
found in the "Reference" section.
General Guide
• Press C to change from mode to mode.
• In any mode, press L to illuminate the display.
Timekeeping Mode Stopwatch Mode
Press .
Timekeeping
Use the Timekeeping Mode to set and view the current
Day of week
time and date. You also use the Timekeeping Mode to
PM indicator
select the current time color.
To set the time and date
1. In the Timekeeping Mode, hold down B until the
seconds start to flash, which indicates the setting
screen.
2. Press C to move the flashing in the sequence shown
below to select other settings.
Seconds
Day
Year Month – Day
Hour : Minutes Seconds
3. When the setting you want to change is flashing, use D and A to change it as
described below.
To change this setting
Press D to reset to
Seconds
Use D (+) and A (–) to change the setting.
Hour, Minutes, Year, Month, Day
Press D to toggle between 12-hour (
12/24-Hour Format
24-hour (
• Pressing D while the seconds are in the range of 30 to 59 resets them to 00
and adds 1 to the minutes. In the range of 00 to 29, the minutes are unchanged.
4. Press B to exit the setting screen.
• The 12-hour/24-hour timekeeping format you select in the Timekeeping Mode is
applied in all modes.
• The day of the week is automatically displayed in accordance with the date (year,
month, and day) settings.
Current Time Color Setting
You can select from among three different colors for the
current time. The color you select affects the figures in the
center part of the display, and the AM (A)/PM (P)
indicator, which appears in the upper part of the display.
To change the timekeeping color
In the Timekeeping Mode, hold down D for about one
second to change the color of the current time.
• Each time you perform the above operation, the color
setting changes in the sequence: black ➜ blue ➜ red
➜ black, and so on.
• The above setting affects the hour, minutes, seconds,
and am/pm indicator only.
Stopwatch
The stopwatch is a 1/100-second stopwatch that
Minutes 1/100 second
measures elapsed time and lap/split times. The stopwatch
Seconds
Hours
uses the data you input in the Basic Data Input Mode and
a pacer signal to calculate the distance you cover while
jogging or running. Stopwatch times and your distance
are also stored in memory.
• The stopwatch measurement operation continues even
if you exit the Stopwatch Mode.
• Exiting the Stopwatch Mode while a lap/split time is
frozen on the display clears the lap/split time and
returns to elapsed time measurement.
• Stopwatch measurements are performed in the
Stopwatch Mode, which you enter by pressing C.
Timekeeping Mode time
How the Stopwatch Works
There are two ways you can use the stopwatch: to measure elapsed time and lap/split
times like a standard stopwatch (see "To measure times with the stopwatch"), and to
keep track of the distance you cover while jogging or running. In order to use the
stopwatch to keep track of distance, you must first perform the steps listed below.
1. Set your basic data. See "Inputting Basic Data".
2. Configure the pacer signal. See "About the Pacer Signal".
USER'S GUIDE 2490
Recall Mode
Hour Minutes
12/24-Hour
Format
Month Year
Perform this button operation
00
.
BCL ) and
CEL ) timekeeping.
Basic Data Input Countdown Timer
Mode Mode
Note
• In order to obtain accurate distance calculations, you must set accurate basic data
and keep your exercise pace in accordance with the pacer signal emitted by the
watch.
• See "How Stopwatch Data is Stored" for information about the type of data the
watch stores in memory when you use the stopwatch.
• You can view distance covered data only by recalling it in the Recall Mode. It does
not appear on the Stopwatch Mode screen.
To measure times with the stopwatch
Elapsed Time
Stop
Start
Lap/Split Time
Lap/Split
Start
Note
• Pressing D to perform a lap/split time operation freezes the lap/split time at that
point on the display for about eight seconds. After that, the display returns to normal
stopwatch time measurement.
• During a stopwatch time measurement operation, the upper part of the display
shows the hour digit and the current lap/split number, the center part shows the
current split time, and the lower part shows the current lap time.
Selecting the Stopwatch Screen Format
The following shows how you can control the position of the lap time and split time on
the stopwatch screen.
Lap/Split number
Lap time
Press .
Split time
Lap/Split
indicator
Lap time
• The Lap/Split indicator uses arrows to indicate the location the lap time and split
(elapsed) time.
• If you have red or blue selected for the current time in the Timekeeping Mode, the
center part of the display is blue while a split time is frozen on the display, and red
while a lap time is frozen.
• When you first start a stopwatch operation by pressing A, both the center part and
the lower part of the display show minutes, seconds, and 1/100 second. Whenever the
time shown in the lower part of the display is greater than 60 minutes, the display
format changes to show hours, minutes, and seconds. Whenever the time in the center
part of the display is greater than 10 hours, the display format changes to show hours,
minutes, and seconds.
About the Pacer Signal
The pacer signal of this watch beeps in accordance with a pacer value (rate) set by
you. You can use the pacer signal to maintain a constant pace while jogging or
running. You can also turn off the pacer signal when you do not want to use it.
• The pacer value you set specifies the number of beeps per minute.
• Turning on the pacer signal causes the watch to beep at the rate specified by the
pacer value.
• You can disable the pacer function by setting a pacer value of xxx. While the
pacer value is set to xxx, the watch does not calculate distance covered.
To set the pacer value
1. While the Stopwatch Mode screen shows all zeros
(0:00´00´´00), hold down B until the pacer value
Pacer signal on indicator
appears flashing on the display. This is the pacer value
Pacer value
setting screen.
2. Press C to turn on the pacer signal.
• Each press toggles the pacer signal on (sounds) and
off (does not sound).
3. Use D (+) and A (–) to change the pacer value.
• Each press of a button changes the pacer value in
units of 5. You can set a pacer value in the range of
100 to 200.
• Pressing D while the pacer value is 200 or A while
it is 100 changes the value to xxx.
4. Press B to exit the setting screen.
Alarm Mode Dual Time Mode
Re-start Stop Clear
Next Stop Clear
Lap/Split
Minutes Seconds
Hours
Split time More than 10 hours
1