Congratulations upon your selection of this CASIO watch. To get the most out
of your purchase, be sure to read this manual carefully.
The built-in sensors of this watch measure direction, barometric pressure,
temperature and underwater depth. Measured values are then shown on the
display. Such features make this watch useful when hiking, mountain
climbing, skin diving, or snorkeling, or when engaging in other such outdoor
Keep the watch exposed to bright light
• • • • • The watch continues to operate, even when it is not exposed to light.
Leaving the watch in the dark can cause the battery to run down, which will
cause some watch functions to be disabled. If the battery goes dead, you
will have to re-configure watch settings after recharging. To ensure normal
watch operation, be sure to keep it exposed to light as much as possible.
Battery charges in the light.
(Converts light to
• The actual level at which some functions are disabled depends on the
• Frequent display illumination can run down the battery quickly and require
charging. The following guidelines give an idea of the charging time
required to recover from a single illumination operation.
Approximately five minutes exposure to bright sunlight coming in through
Approximately 50 minutes exposure to indoor fluorescent lighting
• Be sure to read "Power Supply" for important information you need to
know when exposing the watch to bright light.
• The illustration below shows which buttons you need to press to navigate
• In any mode, press L to illuminate the display.
Operation Guide 3047
The electricity generated by the solar cell of the
watch is stored by a built-in battery. Leaving or
using the watch where it is not exposed to light
causes the battery to run down. Make sure the
watch is exposed to light as much as possible.
• • • • • When you are not wearing the watch on your
wrist, position the face so it is pointed at a
source of bright light.
• • • • • You should try to keep the watch outside of
your sleeve as much as possible. Charging is
reduced significantly if the face is only partially
Battery discharges in the dark.
If the display of the watch is blank...
If the display of the watch is blank, it means that the watch's Power Saving
function has turned off the display to conserve power.
• See "Power Saving Function" for more information.
• 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
• 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.
• This watch is intended for use up to skin diving and snorkeling. Never
use this watch while scuba diving.
• Never operate the buttons of the watch while underwater.
• CASIO COMPUTER CO., LTD. assumes no responsibility for any loss,
or any claims by third parties that may arise through the use of this
About This Manual
• Pressing A, B, or C while in the Timekeeping Mode directly enters the
applicable sensor mode. If you want to go to a sensor mode from the Depth Data
Recall, Countdown Timer, Stopwatch, World Time, Alarm, or Receive Mode, go
to the Timekeeping Mode first, and then press one of the above buttons to enter
a sensor mode.
• Button operations are indicated using the
letters shown in the illustration.
• Each section of this manual provides you with
the information you need in order to perform
operations in each mode. Further details and
technical information can be found in the
Depth Gauge Mode