Casio 3406 Technical Information download pdf (Page 10)

Operation Guide 2894

• If

ERR

appears while a measurement operation is being performed in a

sensor mode, restart the measurement. If

ERR

appears on the display

again, it can mean there is something wrong with the sensor.

• Even if battery power is at Level 1 or Level 2, the Digital Compass Mode,

Barometer/Thermometer Mode, or Altimeter Mode sensor may be disabled

if there is not enough voltage available to power it sufficiently. In this case,

ERR

will appear on the display. This does not indicate malfunction, and

sensor operation should resume once battery voltage returns to its normal

level.

• If

ERR

keeps appearing during measurement, it could mean there is a

problem with the applicable sensor.

Whenever you have a sensor malfunction, be sure to take the watch to

your original dealer or nearest authorized CASIO distributor as soon as

possible.

Power Saving

When turned on, Power Saving automatically

enters a sleep state whenever the watch is left for

a certain period in an area where it is dark. The

table below shows how watch functions are

affected by Power Saving.

• There are actually two sleep state levels:

“display sleep” and “function sleep”.

Elapsed Time in

Dark

60 to 70 minutes

(Display Sleep)

6 or 7 days

(Function Sleep)

Display

Blank, with

PS flashing

Blank, with

PS not

flashing

Operation

Display is off, but all functions are

enabled.

All functions are disabled, but

timekeeping is maintained.

• Wearing the watch inside the sleeve of clothing can cause it to enter the

sleep state.

• The watch will not enter the sleep state while the digital time is between

6:00 AM and 9:59 PM. If the watch is already in the sleep state when the

digital time reaches 6:00 AM, however, it will remain in the sleep state.

• The watch will not enter the sleep state while it is in the Countdown Timer

or Stopwatch Mode.

To recover from the sleep state

Perform any one of the following operations.

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

display to turn on.

• Press any button.

• Angle the watch towards your face for readings.

To turn Power Saving on and off

1. In the Timekeeping Mode, hold down E until

the city code starts to flash, which indicates

the setting screen.

2. Press D nine times until the Power Saving

on/off screen appears.

3. Press C to toggle Power Saving on (

ON) and

off (

OFF).

4. Press E to exit the setting screen.

• The Power Saving on indicator (PS) is on the

display in all modes while Power Saving is

turned on.

Power Saving on

indicator

Timekeeping

• Resetting the seconds to

while the current count is in the range of 30 to

59 causes the minutes to be increased by 1. In the range of 00 to 29, the

seconds are reset to

without changing the minutes.

• 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.

Illumination Precautions

• The electro-luminescent panel that provides illumination loses power after

very long use.

• Illumination may be hard to see when viewed under direct sunlight.

• Illumination automatically turns off whenever an alarm sounds.

• The watch may emit an audible sound whenever the display is illuminated.

This is due to vibration of the EL panel used for illumination, and does not

indicate malfunction.

• Frequent use of illumination runs down the battery.

Auto light switch precautions

• Wearing the watch on the inside of your wrist, movement of your arm, or

vibration of your arm can cause frequent activation of the auto light switch

and illumination of the display. To avoid running down the battery, turn off

the auto light switch whenever engaging in activities that might cause

frequent illumination of the display.

• Note that wearing the watch under your sleeve while the auto light switch is

turned on can cause frequent illumination of the display and can run down

the battery.

• Illumination may not turn on if the face of the

watch is more than 15 degrees above or below

parallel. Make sure that the back of your hand

is parallel to the ground.

• Illumination turns off after the preset

illumination duration (see “To specify the

illumination duration”), even if you keep the

watch pointed towards your face.

• Static electricity or magnetic force can interfere with proper operation of the

auto light switch. If illumination does not turn on, try moving the watch back

to the starting position (parallel with the ground) and then tilt it back towards

your face again. If this does not work, drop your arm all the way down so it

hangs at your side, and then bring it back up again.

• Under certain conditions, illumination does not turn on until about one

second after you turn the face of the watch towards you. This does not

necessarily indicate malfunction.

• You may notice a very faint clicking sound coming from the watch when it is

shaken back and forth. This sound is caused by mechanical operation of the

auto light switch, and does not indicate a problem with the watch.

More than 15 degrees

too high

Digital Compass Precautions

This watch features a built-in magnetic bearing sensor that detects terrestrial

magnetism. This means that north indicated by this watch is magnetic north,

which is somewhat different from true polar north. The magnetic north pole is

located in northern Canada, while the magnetic south pole is in southern

Australia. Note that the difference between magnetic north and true north as

measured with all magnetic compasses tends to be greater as one gets

closer to either of the magnetic poles. You should also remember that some

maps indicate true north (instead of magnetic north), and so you should make

allowances when using such maps with this watch.

Location

• Taking a direction reading when you are near a source of strong magnetism

can cause large errors in readings. Because of this, you should avoid taking

direction readings while in the vicinity of the following types of objects:

permanent magnets (magnetic necklaces, etc.), concentrations of metal

(metal doors, lockers, etc.), high tension wires, aerial wires, household

appliances (TVs, personal computers, washing machines, freezers, etc.)

• Accurate direction readings are impossible while in a train, boat, air plane,

etc.

• Accurate readings are also impossible indoors, especially inside ferro-

concrete structures. This is because the metal framework of such structures

picks up magnetism from appliances, etc.

Storage

• The precision of the bearing sensor may deteriorate if the watch becomes

magnetized. Because of this, you should be sure to store the watch away

from magnets or any other sources of strong magnetism, including:

permanent magnets (magnetic necklaces, etc.) and household appliances

(TVs, personal computers, washing machines, freezers, etc.)

• Whenever you suspect that the watch may have become magnetized,

perform one of the calibration procedures under “Calibrating the Bearing

Sensor”.

Sensor Malfunction Indicator

Subjecting the watch to strong impact can cause sensor malfunction or

improper contact of internal circuitry. When this happens,

ERR

(error) will

appear on the display and sensor operations will be disabled.

Barometric

Pressure

Measurement

Digital

Compass

Measurement

Altitude

Measurement

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

Mode is applied in all modes.

• The watch’s built-in full automatic calendar 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 4.

• The current time for all city codes in the Timekeeping Mode and World Time

Mode is calculated in accordance with the Greenwich Mean Time (GMT)

differential for each city, based on your Home City time setting.

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

Coordinated (UTC) data.

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Operation Guide 2894 1

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Casio 3406 Technical Information Page 10

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