Casio 2534 User Manual - Page 4

Browse online or download pdf User Manual for Watch Casio 2534. Casio 2534 5 pages. Watches

Print Page

USER'S GUIDE 2534/2654

Warning!

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

display of 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

surprise 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 the Timekeeping Mode, hold down D for about two seconds to toggle the auto light

switch on (AUTO EL displayed) and off (AUTO EL not displayed).

• The auto light switch on indicator (AUTO EL) is on the display in all modes while the

auto light switch is turned on.

Battery

This watch is equipped with a solar cell and a 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.

• Note that charging efficiency drops

when any part of the solar cell is

blocked by clothing, etc.

• The illustration shows how to position

a watch with a resin band.

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. Be sure that the watch is normally exposed to bright light

whenever possible.

• This watch employs a solar cell that converts light into electricity, which charges a

built-in rechargeable battery. Normally, the rechargeable battery should not need

replacement, but after very long use over a number of years, the rechargeable

battery may lose its ability to achieve a full charge. Should you notice problems with

getting the rechargeable battery to a full charge, contact your dealer or CASIO

distributor about having the rechargeable battery replaced.

• The rechargeable battery should be replaced with a CASIO-specified CTL1616

battery only. Other rechargeable batteries can cause damage to the watch.

• All data stored in memory is deleted, and the current time and all other settings

return to their initial factory defaults whenever battery power drops to Level 5 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.

Battery Power Indicator

The battery power indicator on the display shows you the current status of the

rechargeable battery's power.

Level

Battery Power

Battery power indicator

Indicator

(Charge Soon Alert)

• The flashing

indicator at Level 4 tells you that battery power is very low, and that

exposure to bright light for charging is required as soon as possible.

• At Level 5, 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 current time, date, and all other settings after the

battery is recharged to Level 3 from Level 5. Though the time appears on the display

after the battery is charged to Level 4, you will not be able to change the time setting

until the battery reaches Level 3.

• 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 higher than

the actual battery level. The correct battery power indicator should appear after a

few minutes.

• If you use the backlight or any of the alarm functions a number of times during a

short period, RECOVER appears on the display and the following operations

become disabled until battery power recovers.

Backlight

Beeper tone

After some time, battery power will recover and RECOVER 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

Charging Guide

After a full charge, timekeeping remains enabled for up to about nine months (Module

2534)/11 months (Module 2654), while the watch is used under the conditions

described below.

Operating Conditions

• Watch is not exposed to light

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

• 1 backlight operation (1.5 seconds) per day

• 10 seconds of alarm operation per day

• 1 countdown timer 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.

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)

• Stable operation is promoted by frequent charging.

Solar cell

Recovery Times

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

one level to the next.

Outdoor Sunlight

Sunlight Through a

Window(10,000 lux)

Daylight Through a Window

on a Cloudy Day (5,000 lux)

Indoor Fluorescent Lighting

(500 lux)

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

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.

Power Saving Function

Function Status

All functions enabled.

Beeper tone, backlight,

To recover from the sleep state

display, and buttons are

disabled.

Perform any one of the following operations.

• Move the watch to a well-lit area. It can take up to five seconds for the display to turn

All functions, including

timekeeping, are disabled.

• Press any button.

• Angle the watch towards your face for reading.

To turn Power Saving on and off

Auto Return Feature

If you leave a screen with flashing digits on the display for two or three minutes without

performing any operation, the watch automatically saves any settings you have made

up to that point and exits the setting screen.

Initial Screens

When you enter the Telememo, World Time, or Alarm Mode, the data you were

viewing when you last exited the mode appears first.

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.

Exposure Level (Brightness)

Exposure Level

Approximate Exposure Time

(Brightness)

Level 5

Level 4

65 minutes (Module 2534)

(50,000 lux)

1 hour (Module 2654)

4 hours

7 hours (Module 2534)

6 hours (Module 2654)

60 hours

times depend on lighting conditions.

When turned on, the Power Saving function automatically

puts the watch into a sleep state whenever it is left in an

area where it is dark for 30 to 35 minutes. The sleep state

is indicated by a blank screen with SLEEP flashing on it.

In the sleep state, all functions are enabled, except for the

display.

• Wearing watch inside the sleeve of clothing can cause it

to enter the sleep state.

on.

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

seconds start to flash, which indicates the setting

screen.

2. Press C seven times until the Power Saving on/off

screen appears.

3. Press D to toggle Power Saving on (ON) and off

(OFF).

4. Press A to exit the setting screen.

• The Power Saving on indicator (SAVE) is on the display

in all modes while the Power Saving is turned on.

Approximate Exposure Time

5 minutes

24 minutes

48 minutes

8 hours

Level 3

Level 2

Level 1

18 hours (Module2534)

4 hours

14 hours (Module 2654)

98 hours (Module 2534)

19 hours

67 hours (Module 2654)

– – –