Manual Casio 5445 - GST-S100 (page 6 of 8) (English)

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Operation Guide 5445

E-59

Note

x After performing home position adjustment, enter the Timekeeping Mode and

check to make sure that the analog hands and the digital dial indicate the same

time. If they do not, perform home position adjustment again.

E-58

x The watch will return to regular timekeeping automatically if you do not perform

any operation for about two or three minutes. Any changes you have made to

settings up to that point will be saved.

If the hour and minute hands are all at 12 o’clock, which is their home position,

jump to step 3.

2. Use D (+) and B (–) to adjust the hour and minute hand positions.

x Holding down either button will cause the hand to move at high speed. Once

started, high-speed hand movement will continue even if you release the button.

To stop high-speed hand movement, press any button.

x High-speed hand movement started with the D (+) button will stop

automatically after 12 revolutions of the minute hand. If started with the B (–)

button, it will stop after one revolution of the minute hand.

3. Press A to exit home position correction and return to regular timekeeping.

E-57

Hand Home Position Adjustment

Strong magnetism or impact can cause the hands of the watch to be off.

x Home position adjustment is not necessary when the analog time and digital time

are the same time in the Timekeeping Mode.

To adjust home positions manually

1. In the Timekeeping Mode, hold down A and keep it depressed for about ﬁ ve

seconds until H.SET appears in the right digital dial.

x The hour and minute hands should all move to 12 o’clock, which is their home

position.

x Though ADJ will appear in the right digital dial about two seconds after you hold

down A, do not release the button yet. Keep it depressed until H.SET appears.

When H.SET appears in the right digital dial, release the A button. This will

cause the hour and minute hands to move to 12 o’clock.

E-56

x 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.

E-55

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 face. To avoid running down the battery, turn off the auto light switch

whenever engaging in activities that might cause frequent illumination of the face.

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

on can cause frequent illumination of the face and can run down the battery.

x 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.

x Illumination turns off after the preset illumination duration (page E-51),

even if you keep the watch pointed towards your face.

x 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.

E-54

To turn the auto light switch on and off

In the Timekeeping Mode, hold down B for about

three seconds to toggle the auto light switch on

(indicator displayed in the right digital dial) and off

(indicator not displayed).

x The auto light switch on indicator appears in all modes

while the auto light switch is turned on.

x The auto light switch turns off automatically whenever

battery power drops to Level 4 (page E-15).

Illumination Precautions

x LED panel that provides illumination loses power after very long use.

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

x Illumination turns off automatically whenever an alarm sounds.

x Frequent use of illumination runs down the battery.

Auto light switch on indicator

E-53

Warning!

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

face 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 startle or distract others around you.

x 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 trafﬁ c accident and serious

personal injury.

Note

x This watch features a “LED”, so the auto light switch operates only when available

light is below a certain level. It does not illuminate the face under bright light.

E-52

4. After all of the settings are the way you want, press A to exit the setting mode.

x Exiting a setting mode will normally cause the hands to return to regular

timekeeping automatically. However, if you manually move the hands (page

E-61) and then enter a setting mode, they will not return to regular timekeeping

automatically when you exit the setting mode. In this case, you will need to

return the hands to their normal positions manually (page E-62).

About the Auto Light Switch

Turning on the auto light switch causes illumination

to turn on, whenever you position your wrist as

described below in any mode.

Moving the watch to a position that is parallel to

the ground and then tilting it towards you more

than 40degrees causes illumination to turn on.

More than

40°

Wear the watch on the

outside of your wrist

E-51

x The above operation turns on illumination regardless of the current auto light switch

setting.

To change the illumination duration

1. In the Timekeeping Mode, hold down A for about two seconds until ADJ

appears in the right digital dial.

When you release A, the city code and city name will scroll across the right

digital dial. This is the setting mode.

x Whenever you enter a setting mode, the analog hands will automatically move to

positions that allow easier viewing of the digital dials.

2. Use C to cycle through the settings in the right digital dial until the current

illumination duration (LT1 or LT3) is shown.

x See the sequence in step 2 of the procedure under “To change the current time

and date settings” (page E-31) for information about how to scroll through setting

mode.

3. Press D to toggle the illumination duration between three seconds (LT3

displayed) and 1.5seconds (LT1 displayed).

E-50

Illumination

The face of the watch is illuminated for easy reading in

the dark.

The watch’s auto light switch turns on illumination

automatically when you angle the watch towards your

face.

x The auto light switch must be turned on (page E-54) for it

to operate.

To turn on illumination manually

Press B in any mode to illuminate the face of the watch.

x You can use the procedure below to select either

1.5seconds or three seconds as the illumination

duration. When you press B, the face will remain

illuminated for about 1.5seconds or three seconds,

depending on the current illumination duration setting.

I cant get the hands to agree with the digital reading. Yes I have the correct city
When I adjust the hands manually they randomly move back when I try to set them Submitted on 5-4-2023 at 01:35
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Casio 5445 - GST-S100 Manual

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