Bedienungsanleitung Casio 2911 (Seite 4 von 6) (Englisch)

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Operation Guide 2911

Warning!

• Always make sure you are in a safe place whenever you are reading the watch

using the auto light switch. Be especially careful when running or engaged in

any other activity that can result in accident or injury. Also take care that

sudden illumination by the auto light switch does not startle or distract others

around you.

• 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.

To turn the auto light switch on and off

In any mode, hold down L for about two seconds to toggle the auto light switch on

(auto light switch indicator displayed) and off (auto light switch indicator not displayed).

• The auto light switch indicator remains in all modes while the auto light switch is

turned on.

Power Supply

This watch is equipped with a solar cell and a special rechargeable battery (secondary

battery) that is charged by the electrical power produced by the solar cell. The

illustration shown below shows how you should position the watch for charging.

Example: Orient the watch so its face

is pointing at a light source.

• The illustration shows how to position

a watch with a resin band.

• Note that charging efficiency drops

when any part of the solar cell is

blocked by clothing, etc.

• 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

covered.

Solar cell

Important!

• Storing the watch for long periods in an area where there is no light or wearing it in

such a way that it is blocked from exposure to light can cause rechargeable battery

power to run down. Make sure that the watch is normally exposed to bright light

whenever possible.

• This watch uses a special rechargeable battery to store power produced by the solar

cell, so regular battery replacement is not required. However, after very long use, the

rechargeable battery may lose its ability to achieve a full charge. If you experience

problems getting the special rechargeable battery to charge fully, contact your dealer

or CASIO distributor about having it replaced.

• Never try to remove or replace the watch’s special battery yourself. Use of the wrong

type of battery can damage the watch.

• The current time and all other settings return to their initial factory defaults whenever

battery power drops to Level 4 and when you have the battery replaced.

• Turn on the watch’s Power Saving function and keep it in an area normally exposed

to bright light when storing it for long periods. This helps to keep the rechargeable

battery from going dead.

Function Status

All functions enabled.

Alarm, hourly time signal,

illumination, auto light switch,

and display disabled.

All functions, including

timekeeping, disabled and

initialized.

Battery Power Indicator and Recover Indicator

The battery power indicator shows you the current power level of the rechargeable

battery.

Level

Battery Power Indicator

Battery power indicator

Recover indicator

(Charge Soon Alert)

• The flashing charge indicator (

CHG

) at Level 3 tells you that battery power is very

low, and that exposure to bright light for charging is required as soon as possible.

• At Level 4, all functions are disabled and settings return to their initial factory

defaults. Functions are enabled once again after the rechargeable battery is

charged, but you need to set the time and date, after the battery reaches Level 3

(indicated by the flashing charge indicator) from Level 4. You will not be able to

configure any of the other settings until the battery reaches Level 2 (no charge

indicator) after dropping to Level 4.

•

Leaving the watch in direct sunlight or some other very strong light source can cause the

battery power indicator to show a reading that is momentarily higher than the actual

battery level. The correct battery power indicator should appear after a few minutes.

• If you use the light or alarms a number of times during a short period, the recover

indicator (RECOV) appears and the following operations become disabled until

battery power recovers.

Illumination

Beeper tone

After some time, battery power will recover and the recover indicator will disappear,

indicating that the above functions are enabled again.

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

Exposure Level (Brightness)

Outdoor Sunlight (50,000 lux)

Sunlight Through a Window (10,000 lux)

Daylight Through a Window on a Cloudy Day

(5,000 lux)

Indoor Fluorescent Lighting (500 lux)

Approximate Exposure Time

5 minutes

24 minutes

48 minutes

8 hours

• Since these are the specs, we can include all the technical details.

• Display on 18 hours per day, sleep state 6 hours per day

• 1 illumination operation (1.5 seconds) per day

• 10 seconds of alarm operation per day

• 16 minutes of signal reception per day

• Stable operation is promoted by frequent charging.

Charging Guide

After a full charge, timekeeping remains enabled for up to about 8 months.

• The following table shows the amount of time the watch needs to be exposed to light

each day in order to generate enough power for normal daily operations.

– – –

Recovery Times

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

one level to the next.

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

times depend on lighting conditions.

6 hours

30 hours

61 hours

Exposure Level

(Brightness)

Outdoor Sunlight (50,000 lux)

Sunlight Through a Window

(10,000 lux)

Daylight Through a Window

on a Cloudy Day (5,000 lux)

Indoor Fluorescent Lighting

(500 lux)

Approximate Exposure Time

Level 4 Level 3 Level 2 Level 1

▲

2 hours

5 hours

9 hours

101 hours

▲

22 hours

109 hours

222 hours

Timekeeping

Use the Timekeeping Mode to set and view the current time and date.

• When setting the time, you can also configure settings for the illumination duration,

the 12/24-hour format, and power saving on/off.

• In the Timekeeping Mode, you can press B to change the display format as shown

below.

• Pressing D in the Timekeeping Mode will display the Last Signal screen.

Hour : Minutes Seconds

PM indicator

Month – Day

▲

Press B.

Day of week

▲

Day of the Week Screen

Last Signal Screen

▲

Press D.

Setting the Time and Date

Make sure you select your Home City code before you change the current time and

date settings. World Time Mode times are all displayed in accordance with the

Timekeeping Mode settings. Because of this, World Time Mode times will not be

correct if you do not select the proper Home City code before setting the time and

date in the Timekeeping Mode.

To set the time and date

1. In the Timekeeping Mode, hold down A until the city

code starts to flash, which indicates the setting screen.

2. Press C to change the flashing contents in the

sequence shown below to select other settings.

City code

Seconds

Hour

Minutes

12/24-Hour

Format

Month Year

DST

Day

Power

Saving

City Code

Casio 2911 Seite 4

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