Casio QW-2973 Specifications download pdf (Page 2)

Operation Guide 5410

E-15

To pull out, rotate, or push the crown in

Important!

x Before performing any of these operations, ﬁ rst unlock the crown.

The illustrations below show the different crown operations.

The crown can be pulled out to one of two (click) positions. Never apply undue force when pulling out the

crown.

First click Second click Rotate Push in

High-speed Movement

When setting a time or when performing home position adjustment (page E-67), you can move the hands

either forward or back at high speed. There are two high-speed levels: HS1 and HS2 (faster than HS1).

To start HS1 high-speed movement

While the crown is pulled out, rotate it rapidly three turns away from you (for

forward movement) or towards you (for reverse movement). High-speed

movement will continue even if you release the crown.

E-14

Using the Crown

This watch has a lock-type crown.

Important!

x You should keep the crown locked during normal daily use. Leaving the crown unlocked creates the

risk of unintended operations or even damage due to impact.

To lock the crown

1. Push the crown back in (page E-15).

x Note that attempting to lock the crown when it is not pushed in can cause

unexpected watch operation.

2. Rotate the crown so Mark 1 is aligned with Mark 2.

3. While pushing in on the crown (a), rotate it to the right (b) until it stops, and align

Mark 1 with Mark 3.

4. Gently pull on the crown to make sure it is securely locked and does not come out.

To unlock the crown

Rotate the crown so Mark 1 aligns with Mark 2.

Mark 2

Mark 1

Mark 3

Mark 1

E-13

Acquiring GPS Position Information after Changing Time Zones

After arriving at your destination, acquire GPS position information (page E-30).

x Time information is received along with position information.

x After the position information acquisition operation is successful, the watch will reﬂ ect your current

location in its settings, and display the correct time and date for that location.

TOKYO

NEW YORK



LONDON

x After a position information acquisition operation is successful, you can use the watch as described

under “If you normally plan to use the watch in one time zone”.

Important!

x Put the watch into the Airplane Mode (page E-45) whenever you are inside an aircraft or in any other area

where radio wave reception is prohibited or restricted. After disembarking from an aircraft or leaving

a restricted area, perform a position information acquisition operation to adjust the watch’s time and

date settings.

E-12

Calibration Signal GPS Signal

Evening (between

midnight and 5:00 a.m.)

The receive operation starts

at regular intervals until

receive is successful.

x Locate the watch near a

window.

No auto reception

(Receive using button operation possible.)

Daytime (between 6:00

a.m. and 10:00 p.m.)

No reception The receive operation will start automatically when the

watch is continually expose to light.

(Receive using button operation also supported.)

Make sure to comply with the conditions below.

− Move the watch outside where there is a clear view

of the sky above, with no obstructing buildings,

trees, or other objects.

− Position the watch with its face pointed straight up.

Important!

x The availability of time calibration signals depends on the country and/or geographic area. See “Time

Calibration Signal Reception Ranges and Conditions” (page E-37).

x You can perform a button operation at any time during the day to perform a GPS time information

acquisition operation and adjust the watch’s time and date settings. See “Receiving GPS Time

Information” (page E-34).

For details, see “Automatic Timekeeping (by GPS Signal and Time Calibration Signal)” (page E-28),

“Timekeeping (by GPS Signal)” (page E-29) and “Timekeeping (by Time Calibration Signal)” (page E-36).

E-11

General Daily Operation Flow

The operations described in this section are applicable following a position acquisition operation

immediately after purchasing the watch.

If you normally plan to use the watch in one time zone

Performing a GPS signal receive or time calibration signal receive operation conﬁ gures time and date

settings.

x If you are in a location where a time calibration signal can be received, it is recommended that you use

the time calibration signal to adjust the time and date.

Important!

x Signal reception requires large amounts of power. Be sure to keep the watch exposed to light so it can

charge its battery and avoid insufﬁ

cient battery power.

x Once a time calibration or GPS signal receive operation is successful, no more Auto Receive

operations are performed that day.

E-10

x After the time and date are adjusted following a successful position information acquisition operation,

you can use the watch as described under “If you normally plan to use the watch in one time zone”

(page E-11).

x Position information acquisition requires large amounts of power. Perform the acquisition operation only

when it is required.

x You can use the procedure under “To check receive operation results (acquisition results)” (page E-40) to

check the latest position information acquisition result.

E-9

Do this immediately after purchasing your watch!

(Position Information Acquisition Operation)

When position information is acquired successfully, the watch is able to determine its current location and

adjust its time and date setting accordingly.

Important!

x Before using the watch, check its current charge level and charge it if necessary. See “Checking the

Charge Level” (page E-17).

x Perform this operation in the Timekeeping Mode (not in the Airplane Mode). See “Mode Reference

Guide” (page E-42).

x It can take as long as 13 minutes for position information to be acquired.

1. Move to a location that is appropriate for GPS signal reception.

x See “Appropriate Signal Reception Location (GPS Signal)” (page E-29).

2. Position the watch with its face pointed straight up and acquire position

information.

x Hold down B for at least three seconds until the

Second Hand moves

to T+P. If the

Second Hand moves to any other position besides T+P,

keep B depressed until it moves to T+P.

x Successful acquisition of position information will automatically display the

time and date for the resulting location.

x In the normal (not Airplane Mode) Timekeeping Mode, the

Mode Hand

indicates the current day of the week.







E-8

x UTC (Universal Time Coordinated)

The standard time at any particular location around the world is based on Universal Time Coordinated

(UTC). UTC times are based on high-precision International Atomic Time (TAI).

See “UTC (Universal Time Coordinated) and Time Zones” (page L-2).

x leap second

There are very slight differences between UTC and TAI due to irregularities in the earth’s rotation. Leap

seconds are added to times to make adjustments for these differences.

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Operation Guide 5410 1

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Casio QW-2973 Specifications Page 2

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