Casio MO0307-EA User Manual download pdf (Page 5)

Operation Guide 2804

• At Level 4, the display is disabled but timekeeping and other functions

continue to operate internally. Pressing any button causes the

Timekeeping Mode screen to appear for two or three minutes.

• At Level 5, all functions are disabled. Functions are enabled once again

after the rechargeable battery is charged, but anything previously stored in

memory is lost. Because of this, you must set the current time and alarms,

and re-input Data Bank records after the rechargeable battery is charged.

• Leaving the watch in direct sunlight or some other very strong light

source can cause the battery power indicator to temporarily show a

reading that is actually higher than the battery level. The correct

battery power indicator should appear after a few minutes.

• Frequent backlight and alarm operations over a short period put a

heavy load on the battery, which can cause the battery power indicator

to flash, indicating that the backlight and alarm are disabled. Normal

operations should return after the battery recovers from the overload

condition. The above condition can occur after about consecutive 200

backlight operations or about 360 alarm operations.

Charging Precautions

Certain charging conditions can cause the watch to become very hot.

Avoid leaving the watch in the areas described below whenever charging

its rechargeable battery.

Also note that allowing the watch to become very hot can cause its liquid

crystal display to black out. The appearance of the LCD should become

normal again when the watch returns to a lower temperature.

Warning!

Leaving the watch in bright light to charge its rechargeable battery

can cause it to become quite hot. Take care when handling the

watch to avoid burn injury. The watch can become particularly hot

when exposed to the following conditions for long periods.

• On the dashboard of a car parked in direct sunlight

• Too close to an incandescent lamp

• Under direct sunlight

Charging Guide

After a full charge, timekeeping remains enabled for up to about six

months, while the watch is used under the conditions described below.

Operating Conditions

•

Watch is not exposed to light

•

1 backlight operation (2 seconds) per day

•

20 seconds of alarm operation per day

Charge Times

Exposing the watch to light for the periods shown below each day

restores the power used by the above operating conditions.

Exposure Level (Brightness) Approximate

Exposure Time

Outdoor Sunlight (50,000 lux) 5 minutes

Sunlight Through a Window (10,000 lux) 25 minutes

Daylight Through a Window on a Cloudy Day 50 minutes

(5,000 lux)

Indoor Fluorescent Lighting (500 lux) 8 hours

• Stable operation is promoted by frequent charging.

Exposure Level

(Brightness)

▲

108 hours

hours

Approximate Exposure Time

Level 5 Level 4 Level 3 Level 2 Level 1

• The above exposure time values are all for reference only. Actual required

exposure times depend on lighting conditions.

Outdoor Sunlight

(50,000 lux)

Sunlight Through a Window

(10,000 lux)

21 hours

hours

Daylight Through a Window

on a Cloudy Day (5,000 lux)

– – –

hours

188

hours

Recovery Times

The table below shows the amount exposure that is required to take the

battery from one level to the next.

To enter the Power Saving Mode

In any mode (except while figures are flashing

on the display for input), hold down C for

about two seconds.

• This enters the Power Saving Mode, which

causes all figures (except Power Saving

indicator) to disappear from the display.

Timekeeping and other functions continue to

be performed internally, however.

• Alarms, the Hourly Time Signal, and the

backlight are disabled while the watch is in

the Power Saving Mode.

• Pressing any button (except A) exits the

Power Saving Mode and enters the

Timekeeping Mode.

Power saving indicator

Power Saving Mode

Reference

This section contains more detailed and technical information about

watch operation. It also contains important precautions and notes about

the various features and functions of this watch.

Auto Display

Auto Display is a demonstration feature that continually changes the

contents of the digital display. Note that you cannot use any of the

watch’s other functions while Auto Display is operating.

To turn off Auto Display

Hold down A for about two seconds until the watch beeps.

To turn on Auto Display

1. In any mode (except while figures are flashing on the display for input),

hold down C for about two seconds to enter the Power Saving Mode.

2. Hold down A for about two seconds until the watch beeps. This

indicates that Auto Display is on.

• Leaving the watch in a dark area can cause Auto Display operation to

stop. Normal operation should resume when the watch is again

exposed to light.

• Auto Display cannot be turned on while the rechargeable battery is at

Level 4 or Level 5. Auto Display also turns off automatically whenever

the rechargeable battery drops to Level 4 or Level 5.

Auto Return Features

If you leave a screen with flashing digits or a cursor on the display for

two or three minutes without performing any operation, the watch

automatically saves anything you have input up to that point and exits the

setting screen.

Data and Setting Scrolling

The B and D buttons are used in various modes and setting screens

to scroll through data on the display. In most cases, holding down these

buttons during a scroll operation scrolls through the data at high speed.

Initial Screens

When you enter the Data Bank, World Time, or Alarm Mode, the data

you were viewing when you last exited the mode appears first.

Timekeeping

• 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 2000 to 2039.

• The watch’s built-in full automatic calendar automatically makes

allowances for different month lengths and leap years. Once you set

the date, there should be no reason to change it except when battery

power drops to Level 5.

12-hour/24-hour Timekeeping Formats

The 12-hour/24-hour timekeeping format you select in the Timekeeping

Mode is also applied in all modes.

• With the 12-hour format, the P (PM) indicator appears on the display

for times in the range of noon to 11:59 p.m. and no indicator appears

for times in the range of midnight to 11:59 a.m.

• With the 24-hour format, times are displayed in the range of 0:00 to

23:59 without any indicator.

World Time

• GMT differential is calculated by this watch based on Universal Time

Coordinated (UTC) data.

• The seconds count of the World Time is synchronized with the

seconds count of the Timekeeping Mode.

1 2 3 4 5 6

Operation Guide 2804 1

Comments to this Manuals

No comments

Casio MO0307-EA User Manual Page 5

Comments to this Manuals

Related products and manuals for Watches Casio MO0307-EA