CASIO DW9800J-N1BT
Owner's Manual

Module No. 1869
GETTING ACQUAINTED
Congratulations upon your selection of this CASIO watch. To get the most out of your purchase, be sure to carefully read this User�s Guide and keep it on hand for later reference when necessary.
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1869-1

About this User�s Guide
Bearing bezel Sensor

A
W
SW

NW

N

P

� Button operations are indicated using the letters shown in the illustration. B � Each section of this User�s Guide provides you with the information you need to perform operations in each mode. Further details and technical information can be found in the
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� The measurement functions built into this watch are not intended for taking measurements that require professional or industrial precision. Values produced by this watch should be considered as reasonable representations only. � When engaging in mountain climbing or other activities in which losing your way can create a dangerous or life-threatening situation, always be sure to use a second compass to confirm direction readings. � CASIO COMPUTER CO., LTD. assumes no responsibility for any loss, or any claims by third parties that may arise through the use of this watch.

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�REFERENCE� section.
SE

D

Graphic area

Press D to change from mode to mode. Each mode is explained on the following pages.

A
P

B

Press D.
P

Countdown Alarm Mode
C

Stopwatch Mode

D

C

A P
P

P

C

P

BACKLIGHT
Auto light switch on indicator

A

B
P

D

C

The backlight uses an EL (electro-luminescent) panel that causes the entire display to glow for easy reading in the dark. The watch�s auto light switch automatically turns on the backlight when you angle the watch towards your face. � The auto light switch must be turned on (indicated by the auto light switch on indicator) for it to operate.

To turn the auto light switch on and off In the Timekeeping Mode, hold down B for two seconds to turn the auto light switch on (Auto light switch on indicator displayed) and off (Auto light switch on indicator not displayed). � In order to protect against running down the batteries, the auto light switch is automatically turned off approximately six hours after you turn it on. Repeat the above procedure to turn the auto light switch back on if you want. � The auto light switch on indicator is on the display in all modes while the auto light switch is turned on.
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Turning on the Backlight manually
In any mode (except for the World Time Mode), press B to illuminate the display for about two seconds. � The above operation turns on the backlight regardless of the current auto light switch setting.

TIMEKEEPING MODE
Use the Timekeeping Mode to set the current time and date, to take direction and temperature readings, and to calibrate the temperature sensor.

About the Auto Light Switch
Turning on the auto light switch causes the backlight to turn on for about two seconds, whenever you position your wrist as described below in any mode. � See �Backlight Precautions� for other important information about using the backlight. 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 light.
D

Calibrating the Seconds Count
Hour : Minutes Day of week

A
P

B

Use the following procedure to calibrate the seconds count on a time signal from a radio, TV, or other source. 1. In the Timekeeping Mode, hold down A until the seconds digits start to flash on the display. 2. Press C to set the seconds count to
00

C
Seconds Month � Day

Parallel to ground

More than 40°

PM indicator

when the time signal you are calibrating to sounds. � Pressing C while the seconds count is in the range of 30 to 59 resets the seconds to 00 and adds 1 to the minutes. If the seconds count is in the range of 00 to 29, the minutes count is unchanged.

3. Press A to return to the current time display. 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 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 light switch is turned off before riding on a bicycle or operating a motorcycle or any other motor vehicle. Sudden and unintended operation of the auto light switch can create a distraction, which can result in a traffic accident and serious personal injury.

Setting the Current Time
A
P

B

D
Seconds Day

C

1. In the Timekeeping Mode, hold down A until the seconds digits start to flash on the display. � The seconds digits are flashing because they are selected. 2. Press D to move the flashing in the sequence shown below to select other digits and settings.
Hour Minutes Month 12/24-Hour Format Year

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Timekeeping Mode

E

S

C

GENERAL GUIDE
World Time Mode Alarm Mode

P

A P
P

Navigation Mode
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C

C

C