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Casio 3515 Operation Manual page 22

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Watch Operation Guide 3515
Note
If you press (C) without waiting for
[GPS READY] to appear, a warning
screen appears and then activity
measurement starts using the watch's
accelerometer.
When performing measurements
using the accelerometer, your
movements are not tracked. To track
your movements during an activity,
make sure that [GPS READY] is shown
on the display before you start activity
measurement.
Warning Screen
Press (E) to cancel the measurement
startup and return to the GPS
reception screen.
It takes about 15 seconds to about two
minutes after you press (C) in step 1
until activity measurement using GPS
signals becomes enabled. Under
some signal reception conditions, it
may take more than five minutes.
OPEN WATER SWIMMING uses GPS
to measure the distance you swim.
However, since GPS signals are
affected by the external factors
described below, it may not be
possible to record distances you swim
accurately.
Water surface reflects GPS signals,
ー 
which affects measurement
accuracy.
GPS signals are difficult to receive
ー 
underwater, so GPS signals are lost
whenever the watch is submerged.
To improve distance measurement
accuracy using GPS, refer to the
points below.
After successfully receiving GPS
ー 
signals, wait a few minutes before
starting activity measurement. This
will allow the GPS sensor to warm up
and provide time for the watch to
download the necessary GPS
information.
When swimming, make sure that the
ー 
wrist where you are wearing the
watch is above the surface of the
water. Depending on your
swimming style, distance and
trajectory may not be recorded
accurately.
To start measurement
1.
Press (C).
This starts activity measurement.
This displays a screen of the
measurement being performed for the
activity you specified with CASIO
WATCHES phone app.
Configuring Activity Measurement
l
Display Settings
Note
For activities that require GPS signal
reception, you can determine if GPS
measurement is possible by checking
the
icon.
Not Flashing: GPS measurement is
possible
Flashing: GPS measurement is not
possible (Watch is searching for GPS
signals.)
If
appears on the display after [GPS
READY] is displayed, it means the
GPS signal has been lost, and the
watch is searching for it.
If
is flashing or if
is displayed
while activity measurement is in
progress, tracking of the activity will not
be recorded.
If you enter the function settings before
starting an activity measurement
operation, GPS measurement pauses
temporarily. The watch starts
searching for GPS signals again when
you exit the settings.
When using GPS for run timing, wait
until [GPS READY] appears on the
display before you start.
To pause or end a measurement
operation
1.
While an activity measurement operation
is in progress, press (C).
This pauses activity measurement and
opens the pause menu screen.
Pause
2.
Use (A) and (D) to choose what to do with
the activity data that was being measured.
[RESUME]
Resumes timing.
Saves the data and ends the
[SAVE]
measurement.
Ends the measurement
[DISCARD]
without saving the data.
3.
Press (C).
Choosing to save the data causes the
activity measurement result screen to
appear.
You can use (A) and (D) to scroll
between summary screens.
The display returns to the screen for the
selected activity after a short while or
when you press (E).
Choosing to delete the data causes the
screen for the selected activity to
appear.
Pause menu
22

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