Casio 2335-1 Manual general - Página 2
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ABOUT THE BACKLIGHT
This watch features an electroluminescent (EL) backlight that helps you easily
read the face, even in total darkness. Its Auto Backlight function automatically
lights the watch face whenever you turn your wrist towards your face.
• The backlight of Module 2307 illuminates
A
B
both the digital display and analog face. The
backlight of Module 2335 illuminates the
digital display only.
1 08
0
C
D
Note
• The backlight of the watch employs an electroluminescent (EL) light, which
loses illuminating power after very long use.
• Frequent use of the backlight shortens the battery life.
• The illumination provided by the backlight may be hard to see when viewed
under direct sunlight.
• The watch will emit an audible sound whenever the display is illuminated. It
does not indicate malfunction of the watch.
• The backlight automatically turns off whenever an alarm sounds.
To manually turn on the backlight
• Pressing B in any mode besides the Countdown Alarm Mode or
Stopwatch Mode illuminates the display for about 1.5 second. The backlight
is disabled while a setting screen is on the display.
To switch the auto backlight function on and off
While in the Timekeeping Mode, hold down D for one second to turn the Auto
Backlight function on and off.
Hold down D.
1 08
0
8 88
8
D
Auto backlight
indicator
ON
• The auto backlight indicator is shown on the display in all modes while the
auto backlight function is on.
• In order to protect against running down the battery, the auto backlight
function is automatically turned off approximately six hours after you turn it
on. Repeat the above procedure to turn the auto backlight function back on
if you want.
• Pressing B in any mode besides the Countdown Alarm Mode or
Stopwatch Mode illuminates the display for about 1.5 second, regardless of
the auto backlight function on/off setting.
About the Auto Backlight function
While the Auto Backlight function is turned on, the backlight automatically
lights for about 1.5 second in any mode whenever you position your wrist as
described below.
Important!
Avoid wearing the watch on the inside of your wrist. Doing so causes the Auto
Backlight to operate when it is not needed, which shortens battery life.
Moving the watch to a position that is parallel to the ground and then tilting
it towards you more than 40 degrees causes the backlight to illuminate.
Parallel to
ground
• The backlight may not illuminate if the face of the watch is more than 15
degrees off parallel as shown below. Make sure that the back of your hand
is parallel to the ground.
More than 15 degrees
Parallel to ground
too high
1 08
0
8 88
8
D
OFF
More than
40°
More than 15 degrees
too low
• Static electricity or magnetic force can interfere with proper operation of the
auto backlight function. If the auto backlight does not illuminate, try moving
the watch back to the starting position (parallel with the ground) and then tilt
it back towards you again. If this does not work, drop your arm all the way
down so it hangs at your side, and then bring it back up again.
• Under certain conditions the backlight may not light until about one second
or less after turn the face of the watch towards you. This does not
necessarily indicate malfunction of the backlight.
Warning!
• Never try to read your watch when mountain climbing or hiking in
areas that are dark or in areas with poor footing. Doing so is
dangerous and can result in serious personal injury.
• Never try to read your watch when running where there is the danger
of accidents, especially in locations where there might be vehicular or
pedestrian traffic. Doing so is dangerous and can result in serious
personal injury.
• Never try to read your watch when riding on a bicycle or when
operating a motorcycle or any other motor vehicle. Doing so is
dangerous and can result in a traffic accident and serious personal
injury.
• When you are wearing the watch, make sure that its auto backlight
function is turned off before riding on a bicycle or operating a
motorcycle or any other motor vehicle. Sudden and unintended
operation of the auto backlight can create a distraction, which can
result in a traffic accident and serious personal injury.
BAROMETER MODE
This watch uses a pressure sensor to measure barometric pressure. It can be
adjusted to correct for measurement error.
Important !
The barometer that is built into this watch measures changes in barometric
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.
Example barometer applications
• Before going mountain climbing, you can take readings to predict upcoming
weather.
• You can predict the weather for golf or other outdoor activities.
About barometric pressure measurements
The watch takes barometric pressure measurements every five seconds for
the first two minutes after you enter the Barometer Mode. The Barometer
Mode indicator 1 flashes on the display during these two minutes.
After the first two minutes, the Barometer Mode indicator 1 stops flashing, and
the watch automatically takes measurements every two hours (starting from
midnight).
The watch continues to take barometric pressure readings every two hours,
even if you change to another mode. Measurement data can be viewed on the
Timekeeping Mode screen on the barometric pressure graph.
Barometer Mode
indicator 1
B
A
8 A0
A
C
D
Remaining memory
Barometer Mode indicator 2
*1 The barometric pressure graph shows the barometric pressure readings
for the past 18 hours. The flashing point on the right of the display is the
point of the last measurement.
*2 The displays show "– – – – hPa" (or inHg) if a measured value falls outside
the range of 460 hPa/mb to 1100 hPa/mb (13.55 inHg to 32.45 inHg). The
normal display will return as soon as the pressure returns with the
allowable range.
2307/2335-2
Last measurement *
2
(updated every two hours)
Unit of measurement
5 seconds
later
1 13
0
Press A.
M
1 13
0
Barometric pressure graph *
1