Faqs; World Time; Stopwatch; Countdown Timer - Casio SGW100B - SGW100B-3V Operation Manual

Operation Guide 3157
• If you want to cancel bearing sensor correction, press D in step 5 instead of C.
This will return to the screen in step 2. From there you can press A to exit the
calibration screen.
• The indicator will go around the display up to four times, if you do not stop it by
pressing C. After the fourth time, the watch will exit the calibration screen
automatically.
To perform magnetic declination correction
1. In the Digital Compass/Thermometer Mode, hold down
Magnetic Magnetic
A until the indicator at the 12 o'clock position starts to
declination declination
angle value angle direction
flash. This is the calibration screen.
2. Press C.
• The magnetic declination angle and magnetic
declination angle direction will flash on the display.
3. Use D (+) and B (–) to change the magnetic
declination angle and magnetic declination angle
direction settings.
• You can select a value within the range of 90° W to 90° E with these settings.
• The following explains magnetic declination angle direction settings.
0 OFF: No magnetic declination correction performed. The magnetic
declination angle with this setting is 0°.
E: When magnetic north is to the east (east declination)
W: When magnetic north is to the west (west declination)
• You can turn off (0 OFF) magnetic declination correction (which effectively makes
the magnetic declination angle: 0°) by pressing D and B at the same time.
• The illustration, for example, shows the value you should input and the direction
setting you should select when the map shows a magnetic declination of 1° West.
4. When the setting is the way you want, press A to exit the setting screen.
Using the Digital Compass While Mountain Climbing or Hiking
This section describes three real-life situations where you could use the watch's built-
in digital compass.
• To set a map and find your current location
Having an idea of your current location is important when mountain climbing or
hiking. To do this, you need to "set the map", which means to align the map so the
directions indicated on it are aligned with the actual directions of your location.
Basically what you are doing is aligning north on the map with north as indicated by
the watch.
• To find the bearing to an objective
To set a map and find your current location
1. With the watch on your wrist, position it so the face is
North indicated
horizontal.
on the map
2. In the Timekeeping Mode, press D to take a compass
reading.
• The reading will appear on the display after about two
seconds.
3. Rotate the map without moving the watch so the
northerly direction indicated on the map matches north
as indicated by the watch.
Current
• If the watch is configured to indicate magnetic north,
N
location
align the map's magnetic north with the watch
indication. If the watch has been configured with a
declination to correct to true north, align the map's
true north with the watch indication.
•This will position the map in accordance with your
N
current location.
North indicated by 4. Determine your location as you check the geographic
north pointer
contours around you.
To find the bearing to an objective
1. Take a compass reading and then set the map so its
northerly indication is aligned with north as indicated by
the watch, and determine your current location.
• See "To set a map and find your current location" for
information about how to perform the above step.
Objective 2. Set the map so the direction you want to travel on the
map is pointed straight in front of you.
Current
3. With the watch on your wrist, position it so the face is
location
horizontal.
4. In the Timekeeping Mode, press D to take a compass
12 o'clock
reading.
position
• The reading will appear on the display after about two
seconds.
5. Still holding the map in front of you, turn your body until
north as indicated by the watch and the northerly
direction on the map are aligned.
• This will position the map relative to your current location, so the bearing to your
objective is straight ahead of you.
Questions & Answers
Question: What causes incorrect direction readings?
Answer:
• Nearby source of strong magnetism, such as a household appliance, a large steel
bridge, a steel beam, overhead wires, etc., or an attempt to perform direction
measurement on a train, boat, etc. Move away from large metal objects and try
again. Note that digital compass operation cannot be performed inside a train, boat,
etc.
Question: What causes different direction readings to produce different results
at the same location ?
Answer: Magnetism generated by nearby high-tension wires is interfering with
detection of terrestrial magnetism. Move away from the high-tension wires
and try again.
Question: Why am I having problems taking direction readings indoors ?
Answer: A TV, personal computer, speakers, or some other object is interfering with
terrestrial magnetism readings. Move away from the object causing the
interference or take the direction reading outdoors. Indoor direction readings
are particularly difficult inside ferro-concrete structures. Remember that you
will not be able to take direction readings inside of trains, airplanes, etc.

World Time

World Time displays the current time in 48 cities (29 time
Timekeeping
zones) around the world.
Mode time
• If the current time shown for a city is wrong, check your
City code
Home City time settings and make the necessary
changes.
• All of the operations in this section are performed in the
World Time Mode, which you enter by pressing C.
To view the time in another city
In the World Time Mode, use D (east) to scroll through
city codes (time zones).
• For full information on city codes, see the "City Code
Table".
Current time in the zone
of the selected city code
To toggle a city code time between Standard Time and Daylight Saving Time
1. In the World Time Mode, use D (east) to display the
DST indicator
city code (time zone) whose Standard Time/Daylight
Saving Time setting you want to change.
2. Hold down A to toggle between Daylight Saving Time
(DST indicator displayed) and Standard Time (DST
indicator not displayed).
• The DST indicator appears on the display whenever you
display a city code for which Daylight Saving Time is
turned on.
• Note that the DST/Standard Time setting affects only the
currently displayed city code. Other city codes are not
affected.

Stopwatch

The stopwatch lets you measure elapsed time, split times,
Current time
and two finishes.
• The display range of the stopwatch is 59 minutes, 59.99
seconds.
• The stopwatch continues to run, restarting from zero
after it reaches its limit, until you stop it.
• The stopwatch measurement operation continues even
if you exit the Stopwatch Mode.
• Exiting the Stopwatch Mode while a split time is frozen
on the display clears the split time and returns to
Minutes Seconds
elapsed time measurement.
• All of the operations in this section are performed in the
1/100 second
Stopwatch Mode, which you enter by pressing C.
To measure times with the stopwatch
Elapsed Time
D D D
J J
Start Stop Re-start
Split Time
D A A
J J
Start Split Split release
(SPL displayed)
Two Finishes
D A D
J J
Start Split Stop
First runner Second runner
finishes. finishes.
Display time of
first runner.

Countdown Timer

You can set the countdown timer within a range of one
Current time
minute to 24 hours. An alarm sounds when the countdown
reaches zero.
• You also can select auto-repeat, which automatically
restarts the countdown from the original value you set
whenever zero is reached.
• All of the operations in this section are performed in the
Countdown Timer Mode, which you enter by pressing
C.
Hours Minutes
Seconds
To configure countdown start time and auto-repeat settings
1. While the countdown start time is on the display in the
Countdown Timer Mode, hold down A until the hour
setting of the countdown start time starts to flash, which
indicates the setting screen.
• If the countdown start time is not displayed, use the
procedure under "To use the countdown timer" to
display it.
2. Press C to move the flashing in the sequence shown
below, and select the setting you want to change.
Start Time
(Hours)
3. Perform the following operations, depending on which
setting is currently selected on the display.
• While the start time setting is flashing, use D (+) and
Auto-repeat on indicator
B (–) to change it.
• Set 0:00 to specify 24 hours.
• While the auto-repeat on/off setting (0N or 0FF) is flashing on the display, press
D to toggle auto-repeat on (0N) and off (0FF).
4. Press A to exit the setting screen.
• The auto-repeat on indicator (
) is displayed on the Countdown Timer Mode
screen while this function is turned on.
• Frequent use of auto-repeat and the alarm can run down battery power.
D A
J J
Stop Clear
D A
J J
Stop Clear
A A
J J
Split release Clear
Display time of
second runner.
Auto-Repeat
Start Time
(Minutes) On/Off
3