Casio 5275 User Manual download pdf

Operation Guide 5275

MA1202-EA

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Your watch may differ somewhat from the one shown in the illustration. 

Before Using the Watch for the First Time

Crown

Spacer

Depending on your watch model, there may be a spacer installed 

at the factory around the crown. If your watch has a spacer, you

should remove the spacer before using the watch.

After removing the spacer, use the procedures in “Crown



Operations” and “To adjust the time setting” to set up the watch

for use.



Click 1

Crown

Click 2

When the second hand is at 12 o’clock, pull

the

Crown out to Click 2.

Rotate the Crown to change the time setting.

Push the Crown back in.

To adjust the time setting

Note

When changing the time,



move the minute hand four

or ﬁ ve minutes past your

ﬁ nal setting, and then back it

up to the setting you want.

Pull the Crown out to Click 1.

Rotate the Crown to set the day.

Push the Crown back in.

To change the day setting

Note

The day setting uses a



31-day month. Make

adjustments for months of

shorter lengths.

Avoid changing the day



setting between the hours

of 9 p.m. and 1 a.m.

Otherwise, the day may not

change correctly at midnight.

Crown Operations

Crown

Loosen

Some water-resistant models (100 meters, 200 meters)

have a screw-in crown. When you need to perform a crown

operation, rotate it towards you to unscrew it. Then pull the

crown out. Avoid applying undue force when pulling. The watch

loses its water resistance while the crown is unscrewed. After

performing a crown operation, fully screw the crown back in.

If your watch has a rotary bezel...

Start

Elapsed time

Current

You can rotate the bezel to align its

▼

mark with the

minute hand. Then you will be able to tell how much

time has elapsed since aligning the

▼

mark.

Speciﬁ cations

Accuracy: ±20 seconds average per month

Other: Low battery alert

Power Supply: Solar panel and one rechargeable battery

Approximate battery operating time: 8 months

Solar Charging

A solar panel generates electrical power that charges a built-in (secondary) battery.

The entire face is a solar panel, so power is generated when the face is exposed to

light. Keep the watch exposed to light as much as possible.

Charging the Battery

When you are not wearing the watch, leave it where it is exposed

to light. For stable operation, expose the watch to at least a half

day of light per month.

When wearing the watch, try to keep your clothing from blocking

its face (solar panel). Charging efﬁ ciency is reduced signiﬁ cantly

even if the face is blocked only partially.

Caution!

The case of the watch may become quite hot when charging. Guard against burn



injury after charging.

Avoid charging in the following locations, and anywhere else where the watch may



become very hot.

On the dashboard of an automobile parked in the sun −

Close to an incandescent light source or other sources of heat −

Locations exposed to direct sunlight for long periods −

Low Charge and Dead Battery Conditions

An alert operation is performed when the battery charge goes low.

Low Battery Alert

The second hand will jump at two-second intervals to alert you when the charge is

low.

2-second jump

Low charge

Regular Timekeeping Low Battery Alert

Charged

Charging Time

The times below are general guidelines for reference only.

Charging Time to Support Daily Use

Exposure Level (Brightness) Approximate Charging Time

Outdoor sunlight (50,000 lux) 8 minutes

Sunlight through a window (10,000 lux) 30 minutes

Daylight through a window on an overcast day

(5,000 lux)

48 minutes

Indoor ﬂ uorescent lighting (500 lux) 8 hours

Charging Time to Recover from Dead Battery

Exposure Level (Brightness)

Approximate

Charging Time to

1-second Hand

Movement

Approximate Time

to Full Charge

Outdoor sunlight (50,000 lux) 6 hours 29 hours

Sunlight through a window (10,000 lux) 21 hours 108 hours

Daylight through a window on an

overcast day (5,000 lux)

33 hours 172 hours

Indoor ﬂ uorescent lighting (500 lux) 329 hours – – –

Important!

The watch will continue to run for about eight months after a full charge, even if it is

not exposed to light. For stable operation, however, expose it to light as much as

possible.

Note

Actual charging time depends on environmental conditions.

Over-charge Protection

Charging stops automatically when a full charge is attained. This protects against

over-charging.

Operation Guide 5275 1

Summary of Contents

Page 1 - Operation Guide 5275

1Operation Guide 5275MA1202-EAÚ#!3)/#/-054%2#/,4$ Your watch may differ somewhat from the one shown in the illustration. Before Using th

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Casio 5275 User Manual

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