Casio 2050 Manual

Module No. 2050
A
B
P
M
C
ALM SIG
(MODE)
Note the following important points concerning Identification Mode data
stored in the memory of this watch.
SCUBA diver certificate number, passport number, and emergency
contact number data stored in the memory of this watch can be
misused whenever the watch is in the hands of another party.
To protect against the misuse of SCUBA diver certificate number,
passport number, and emergency contact number data, input them
in coded form that cannot be understood by others.
Press M to change from mode to mode.
While in any mode hold down M for one second, to enter the Dive Time
Measurement Mode.
In any mode, press B to illuminate the display.
Dive Time
Measurement
Mode
Hold down M.
P
DIVE TIME ALM SIG
TIMEKEEPING MODE
Month – Day
Day of week
A B
P
M
C
ALM SIG
Hour : Minutes
Seconds
PM indicator
Setting the Time and Date
A B
P
M
C
ALM SIG
Seconds Hour
Day
3. While hour, minutes, year, month, or day is flashing, press C to increase
the setting or B to decrease it.
When the 12/24-hour setting is selected, press C to toggle between
12H
12-hour ( ) and 24-hour (
4. Press A to return to the current time screen.
Notes
The day of the week is automatically displayed in accordance with the
date (year, month, and day) settings.
The year can be set in the range of 1995 to 2039.
The watch's built-in full automatic calendar automatically make allowances
for different month lengths and leap years. Once you set the date, there
should be no reason to change it except after the replacement of the
watch's battery.
Button operations are indicated using the
letters shown in the illustration.
Each section of this manual provides you with
the information you need to perform
operations in each mode. Further details and
technical information can be found in the
"REFERENCE" section.
Warning!
Timekeeping Mode
A
B
P
M
C
ALM SIG
In addition to normal timekeeping, use the
Timekeeping Mode to set the current time and
date. You can also view the Dive Time
Measurement Mode log data.
For details on how to view the log data, see
"Viewing Log Data".
Calibrating the Seconds Count
1. In the Timekeeping Mode, hold down A until
the seconds digits start to flash.
2. Press C to set the seconds count to
Pressing C while the seconds count is in
the range of 30 to 59 resets the seconds to
OO and add 1 to the minutes. In the range
of 00 to 29, the minutes count is unchanged.
3. Press A to return to the current time screen.
1. In the Timekeeping Mode, hold down A until
the seconds digits start to flash.
2. Press M to move the flashing in the
sequence shown below to select other
settings.
12/24-Hour
Minutes
Format
Month Year
24H
) timekeeping.
ABOUT THIS MANUAL
Make sure you correctly input your name and blood type data. Once
you input your data, take care that the watch is not borrowed by
another person. Otherwise, emergency medical personnel may
assume that your data applies to the person who borrowed the
watch.
The default blood type screen setting when you first purchase the
watch or after you change the battery is "
" Rh *
the wrong blood type, we recommend that you input your correct
blood type data as soon as possible after purchasing the watch
and after having the battery replaced.
CASIO COMPUTER CO., LTD. shall not be held liable to you or any
third party for any losses or damages suffered through the misuse
of data stored in the memory of this watch.

GENERAL GUIDE

DIVE TIME MEASUREMENT MODE
Mode indicator
A
M
OO .
Dive time
Before Diving/Snorkeling
Be sure to check if the battery power is low (check for low light
intensity, a dim display, or the flashing
use the watch for diving/snorkeling.
Make sure that the watch is set to the correct time.
Check the glass, case and band for cracks or chips.
Make sure that the band is fastened securely around your wrist.
While Diving/Snorkeling
Always use the "buddy system" when diving – never dive alone.
Check to make sure that timer operation is being performed properly.
Take care when diving/snorkeling near rocks or coral to avoid
scratching the watch.
After Diving/Snorkeling
To avoid corrosion, rinse your watch thoroughly with fresh water to
remove salt water, dirt, etc. When possible, soak the watch in fresh
water overnight to make sure that all salt is removed.
" for the Rh factor. To avoid problems caused by display of
World Time Mode
P
P
ALM SIG
Stopwatch Mode
ALM SIG
The Dive Time Measurement Mode lets you
Current time
measure the total time you spend underwater
while diving or snorkeling, and the amount of
time spent on the surface (surface interval). The
watch also stores one set of diving time data
B
(total dive time and dive start time) into log
memory for later recall.
P
Warning!
C
DIVE TIME ALM SIG
For your own safety, never operate the
buttons of the watch while underwater or
while on the water's surface. Perform button
operations in a safe place after leaving the
water.
2050-1
-
" for the blood type and
Identification Mode
ALM SIG
Alarm Mode
P
P
ALM SIG
indicator). If it is, do not