Casio 5101 Watch User Manual


 
Operation Guide 5098/5099/5101
E-29
Press 3. A. What happens next depends on the
operations you performed in step 2, as described below.
If you changed the location to
x TOKYO (TYO) or
HONG KONG (HKG) from another setting, the watch
will resume regular timekeeping when you press A.
If you changed to
x OFF or if you did not change the
setting, pressing A will proceed to step 4, below.
E-28
Press 2. C to select the location you want.
Each press of x C cycles through the three settings
shown below.
City Name Location
TOKYO (TYO) Japan
HONG KONG (HKG) China
OFF Receive off*
Select * OFF for the location setting whenever using the
watch in any other geographic area other than Japan
or China. When OFF is selected, the watch does not
receive any time calibration signal, so you will need to
adjust the time setting manually as required.
OFF
HONG KONG (HKG)
TOKYO (TYO)
E-27
Specifying Your Current Location and Setting the Time
Use the procedure in this section to specify the location where you will be using
the watch. You also can adjust the time when the watch is unable to receive a time
calibration signal.
In the regular timekeeping, keep 1. A depressed (for
about fi ve seconds) as the
x
Second Hand and
b
Ornament go through the sequence described below.
x
x Second Hand: Last signal reception result o RC o
Current location setting
b
x Ornament: Upside down
*
@
E-26
Timekeeping
Hand Functions
<Regular timekeeping>
z
Hour Hand
x
Second Hand
c
Minute Hand
v
24-hour Hand
<Minute counter>
b
Ornament
n
Minute Hand (elapsed
time)
<Module 5098>
B +
6
>
*
@
<Modules 5099 and 5101>
B +
6
>
*
@
E-25
Radio-controlled Atomic Timekeeping Precautions
Strong electrostatic charge can result in the wrong time setting.
x
Even if a receive operation is successful, certain conditions can cause the time x
setting to be off by up to one second.
If you are in an area where signal reception is not possible, the watch keeps time x
with the precision noted in “Specifi cations” (page E-46).
The receive operation is disabled under any of the following conditions. x
While power is at Level 2 or lower (page E-12)
When the watch is in the function sleep state (“Power Saving”, page E-15)
While the
b
Ornament is moving (page E-32)
E-24
To check the result of the latest receive operation
In the regular timekeeping, press A.
The
x
x
Second Hand will move to YES (Y) for fi ve
seconds if the latest receive operation was successful,
or NO (N) if it was not. After that, regular timekeeping
will resume.
You can return to the regular timekeeping manually by
x
pressing A while the
x
Second Hand is pointing to YES
(Y) or NO (N).
Note
The
x
x
Second Hand will indicate NO (N) if you have
adjusted the time setting manually since the latest
receive operation.
@
E-23
When the receive operation is successful, the watch x
adjusts the time setting accordingly. It does not adjust
the setting if the operation failed.
Note
To interrupt a receive operation and return to the x
regular timekeeping, press any button.
@
E-22
To perform manual receive
In the regular timekeeping, keep 1. A depressed (for about two seconds) as the
x
Second Hand goes through the following sequence.
Moves to x YES (Y) or NO (N) to indicate the last signal reception result, then to
Receiving (RC).
The 2.
x
Second Hand indicates the operations the watch is currently performing.
When the x
x
Second
Hand is pointed here:
It means this:
Receiving (RC) Reception is in progress.
YES (Y)
Reception was completed
successfully.
NO (N) Reception failed for some reason.
@
E-21
What you should do next depends on whether you are using Auto Receive or 2.
Manual Receive.
Auto Receive: Leave the watch over night in the location you selected in step 2.
x
See “Auto Receive” on page E-21 for details.
Manual Receive: Perform the operation under “To perform manual receive” on x
page E-22.
Auto Receive
With Auto Receive, the watch performs the receive operation each day
x
automatically up to three times between the hours of 2 a.m. and 4 a.m. (1 a.m.
and 3 a.m. for the Chinese calibration signal). When any receive operation is
successful, none of the other receive operations for that day are performed.
When a calibration time is reached, the watch will perform the receive operation
x
only if it is in the regular timekeeping. The receive operation is not performed if a
calibration time is reached while you are confi guring settings.
E-20
Signal reception may be diffi cult or even impossible under the conditions x
described below.
Inside or
among
buildings
Inside a
vehicle
Near
household
appliances,
offi ce
equipment,
or a mobile
phone
Near a
construction
site, airport,
or other
sources of
electrical
noise
Near
high-tension
power lines
Among
or behind
mountains