User manual

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2050-1

Module No. 2050

ALM SIG

ABOUT THIS MANUAL

(MODE)

• 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!

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.

• 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 “

-” for the blood type and

“Rh *” for the Rh factor. To avoid problems caused by display of

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.

ALM SIG

World Time Mode

Press M.

Identification Mode

Alarm Mode

Stopwatch Mode

▲

ALM SIG

GENERAL GUIDE

ALM SIG

DIVETIME

▲

Dive Time

Measurement

Mode

Hold down M.

Timekeeping Mode

▲

• 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.

TIMEKEEPING MODE

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 OO.

• 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.

Setting the Time and Date

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.

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

12-hour (

12H) and 24-hour (24H) timekeeping.

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.

ALM SIG

Day of week

Month – Day

Hour : Minutes

PM indicator

Seconds

ALM SIG

Hour

Seconds

Day

Minutes

12/24-Hour

Format

Year

Month

ALM SIG

DIVETIME

DIVE TIME MEASUREMENT MODE

The Dive Time Measurement Mode lets you

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

(total dive time and dive start time) into log

memory for later recall.

Warning!

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.

Current time

Mode indicator

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 indicator). If it is, do not

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.

Summary of content (4 pages)

PAGE 1
Module No. 2050 2050-1 ABOUT THIS MANUAL A B P M ALM SIG C (MODE) • 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! Note the following important points concerning Identification Mode data stored in the memory of this watch.
PAGE 2
050-2 Using the Dive Time Measurement Mode Dive start time Current time A B P M DIVE TIME ALM SIG C Dive time (hours : minutes seconds) 1. Before diving/snorkeling, switch to the Dive Time Measurement Mode by holding down M for at least one second. 2. To start the dive time measurement operation, press C. 3. To stop the measurement, hold down C for at least one second (until the watch emits a long beep). 4. To re-start timing from the dive time shown on the display, press C.
PAGE 3
2050-3 3. Use B and C to change the character at the cursor position in the text area. The character changes in the following sequence. Press C. (space) Press B. 0 to 9 A to Z ( ) - / Daily Alarm Operation . 4. When the character you want is at the cursor position, press M to move the cursor to the right. 5. Repeat the steps 3 and 4 until your text is complete. 6. After you input text, use M to move the cursor to the number area.
PAGE 4
2050-4 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.