Casio Watch Casio Sgw300h-1av Wrist Watch User Manual

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Operation Guide 3202
2
To change the Daylight Saving Time (summer time) setting
1. In the Timekeeping Mode, hold down
A
until the
currently selected city code (Home City) starts to flash.
This is the city code setting screen.
• Before the city code starts to flash, the message
SET Hold will appear on the display. Keep
A
depressed until SET Hold disappears and the city
code starts to flash.
2. Press
C
to display the DST setting screen.
3. Press
D
to toggle between Daylight Saving Time (On)
and Standard Time (OFF).
4. After all the settings are the way you want, press
A
to
return to the Timekeeping Mode.
• The DST indicator appears to indicate that Daylight
Saving Time is turned on.
Configuring Current Time and Date Settings
You can use the procedure below to adjust the current time and date settings if they
are off.
To change the current time and date settings
1. In the Timekeeping Mode, hold down
A
until the
currently selected city code (Home City) starts to flash.
This is the city code setting screen.
• Before the city code starts to flash, the message
SET Hold will appear on the display. Keep
A
depressed until SET Hold disappears and the city
code starts to flash.
2. Use
D
and
B
to select the city code you want.
• Select your Home City code before changing any
other setting.
• For full information on city codes, see the “City
Code Table”.
3.
Press
C
to move the flashing in the sequence shown below to select the other settings.
Barometer
unit
Temperature
unit
Illumination
Duration
Button Operation
Tone On/Off
Day
City
Code
DST
Altitude
unit
12/24-Hour
Format
Seconds Hour Minute Year Month
• The following steps explain how to configure timekeeping settings only.
4. When the timekeeping setting you want to change is flashing, use
B
and/or
D
to
change it as described below.
Screen To do this: Do this:
Change the city code
Use
D
(East) and
B
(West).
Toggle between Daylight Saving Time (
On
)
and Standard Time (
OFF
).
Press
D
.
Toggle between 12-hour (
12H
) and 24-hour
(
24H
) timekeeping.
Press
D
.
50
Reset the seconds to
00
Press
D
.
Change the hour or minute
Use
D
(+) and
B
(–).
Change the year, month, or day
5. Press
A
to exit the setting screen.
Note
• For information about selecting a Home City and configuring the DST setting, see
“Configuring Home City Settings”.
• While 12-hour format is selected for timekeeping, a
P
(PM) indicator will appear for
times from noon to 11:59 p.m. No indicator appears for times from midnight to
11:59 a.m. With 24-hour format, time is displayed from 0:00 to 23:59, without any
P
(PM) indicator.
• The watch’s built-in full automatic calendar makes allowances for different month
lengths and leap years. Once you set the date, there should be no reason to
change it except after you have the watch’s battery replaced.
Barometer/Thermometer
This watch uses a pressure sensor to measure air pressure (barometric pressure) and
a temperature sensor to measure temperature.
To enter and exit the Barometer/Thermometer Mode
1. While in the Timekeeping Mode, press
C
to enter the
Barometer/Thermometer Mode.
• BARO will appear on the display, indicating
that barometric pressure and temperature
measurements are in progress. The measurement
results will appear on the display after about five
seconds.
• After you press
C
, the watch will take readings
every five seconds for the first three minutes, and
then every two minutes after that.
2. Press
C
five times to return to the Timekeeping Mode.
•
The watch will return to the Timekeeping Mode automatically if you do not perform
any operation for about one hour after entering the Barometer/Thermometer Mode.
Barometric Pressure
• Barometric pressure is displayed in units of 1 hPa (or 0.05 inHg).
•
The displayed barometric pressure value changes to
- - -
if a measured barometric
pressure falls outside the range of 260 hPa to 1,100 hPa (7.65 inHg to 32.45 inHg).
The barometric pressure value will reappear as soon as the measured barometric
pressure is within the allowable range.
Setting
DST indicator
Setting
DST indicator
PM
indicator
Second
s
Hour : Minutes
City
code
PM
indicator
Second
s
Hour : Minutes
City
code
Temperature
Current time
Barometric
pressure
Pressure
differential
pointer
Temperature
Current time
Barometric
pressure
Pressure
differential
pointer
Temperature
• Temperature is displayed in units of 0.1°C (or 0.2°F).
• The displayed temperature value changes to
--.-
°C (or °F) if a measured
temperature falls outside the range of –10.0°C to 60.0°C (14.0°F to 140.0°F). The
temperature value will reappear as soon as the measured temperature is within the
allowable range.
Display Units
You can select either hectopascals (hPa) or inchesHg (inHg) as the display unit for the
measured barometric pressure, and Celsius (°C) or Fahrenheit (°F) as the display unit
for the measured temperature value. See “To specify temperature, barometric
pressure, and altitude units”.
Barometric Pressure Differential Pointer
This pointer indicates the relative difference between
the most recent barometric pressure reading and the
current barometric pressure value displayed in the
Barometer/Thermometer Mode.
Reading Barometric Pressure Differential Pointer
Pressure differential is indicated in the
range of ±5 hPa, in 1-hPa units.
If the pointer is
located here:
It means this:
CLOUDY (–)
Pressure is falling and
weather will tend to
deteriorate.
FINE (+)
Pressure is rising and
weather will tend to
improve.
• The nearby screen shot, for example,
shows what the pointer would indicate
when the calculated pressure
differential is approximately – 3 hPa
(approximately –0.09 inHg).
• Barometric pressure is calculated and displayed using hPa as the standard. The
barometric pressure differential also can be read in inHg units as shown in the
illustration (1 hPa
=
0.03 inHg).
Pressure Sensor and Temperature Sensor Calibration
The pressure sensor and temperature sensor built into the watch are calibrated at the
factory and normally require no further adjustment. If you notice serious errors in the
pressure readings and temperature readings produced by the watch, you can calibrate
a sensor to the reading of another device to correct the errors.
Important!
• Incorrectly calibrating the temperature sensor can result in incorrect readings.
Carefully read the following before doing anything.
–
Compare the readings produced by the watch with those of another reliable and
accurate thermometer.
– If adjustment is required, remove the watch from your wrist and wait for 20 or 30
minutes to give the temperature of the watch time to stabilize.
To calibrate the pressure sensor and the temperature sensor
1.Take a reading with another measurement device to
determine the exact current barometric pressure or
temperature.
2. With the watch in the Timekeeping Mode, press
C
to
enter the Barometer/Thermometer Mode.
3. Hold down
A
until the current temperature value starts
to flash on the display. This is the setting screen.
• Before the temperature value starts to flash, the
message SET Hold will appear on the display.
Keep
A
depressed until SET Hold disappears.
4. Press
C
to move the flashing between the temperature
value and barometric pressure value, to select the one
you want to calibrate.
5.
Use
D
(+) and
B
(–) to adjust the calibration value in the units shown below.
Temperature 0.1°C (0.2°F)
Barometric Pressure 1 hPa (0.05 inHg)
• To return the currently flashing value to its initial factory default setting, press
B
and
D
at the same time. OFF will appear at the flashing location for about
one second, followed by the initial default value.
6. Press
A
to return to the Barometer/Thermometer Mode screen.
Barometer and Thermometer Precautions
• The pressure sensor built into this watch measures changes in air pressure, which
you can then apply to your own weather predictions. It is not intended for use as a
precision instrument in official weather prediction or reporting applications.
• Sudden temperature changes can affect pressure sensor readings.
• Temperature measurements are affected by your body temperature (while you are
wearing the watch), direct sunlight, and moisture. To achieve a more accurate
temperature measurement, remove the watch from your wrist, place it in a well
ventilated location out of direct sunlight, and wipe all moisture from the case. It
takes approximately 20 to 30 minutes for the case of the watch to reach the actual
surrounding temperature.
Altimeter
The watch displays altitude values based on air pressure readings taken by a built-in
pressure sensor.
How the Altimeter Measures Altitude
The altimeter can measure altitude based on its own preset values (initial default
method) or using a reference altitude specified by you.
When you measure altitude based on preset values
Data produced by the watch’s barometric pressure sensor is converted to approximate
altitude based on ISA (International Standard Atmosphere) conversion values stored
in watch memory.
When you measure altitude using a reference altitude specified by you
After you specify a reference altitude, the watch uses
that value to convert barometric pressure readings to
altitude.
Barometric
pressure
differential
pointer
Barometric
pressure
differential
pointer
−0.15 0 0.15
−5 0 5
inHg values
hPa values
Current pressure
less than most
recent measured
pressure
Current pressure
greater than most
recent measured
pressure
−0.15 0 0.15
−5 0 5
inHg values
hPa values
Current pressure
less than most
recent measured
pressure
Current pressure
greater than most
recent measured
pressure
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