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Casio 1879 General Manual page 2

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USING SUNRISE & SUNSET MODE
A few seconds after pressing C C C C C twice in the Time-
keeping Mode, the display will move to the Sunrise
& Sunset Mode. The display shows sunrise time,
Moon phase
moon age, and moon phase for the date indicated
in the time mode. When sunrise, sunset, and moon
age data for other dates is required, press A A A A A or D D D D D
in this mode to obtain the required date. Hold down
for rapid advance. When required date has been
Sunrise
set, the display will show sunrise, sunset, and moon
time
age data for this date after approx. 20 seconds.
Precaution for Sunrise & Sunset Mode
Moon age
The sunrise or sunset time is that of the surface
at 0 meter sea level. (So, it is not able that the
Sunset time
sunrise or sunset time displayed may include an
error depending on where you are.)
Minimum display unit is: approx. 5 minutes where is at less than 50 in latitude and
approx. 10 minutes at 50 or more in latitude.
Sunrise & sunset time is indicated by 5 minutes unit.
USING DAILY ALARM
The alarm beeper will sound for 20 seconds everyday the
preset time until cleared when daily alarm is set. Press
any button to stop beeper.
A signal will sound every hour on the hour if time signal is
set.
Sound demonstration
Press and hold A A A A A in Alarm Mode to sound beeper.
1)Press B B B B B in the Alarm Mode to set new alarm time.
2)Each press of C C C C C shifts the flashing position.
3)Pressing A A A A A increase digit by one. Hold down for rapid
Hour
Minutes
advance.
4)Press B B B B B to complete.
Display automatically returns to initial Alarm Mode dis-
play if left unused for a few minutes.
On or off setting of alarm and time signal
In the Alarm Mode, each push of D D D D D button will change alarm ON/OFF as follows.
appears when alarm is ON.
appears when time signal is ON.
USING STOPWATCH
Mode indicator
Hour
Minutes
A signal confirms each button operation.
Working range
Total elapsed time display is limited to 23 hours 59 minutes 59.99 seconds.
Thereafter it will be automatically reset and started again.
Net time measurement
(Time loss)
Start
Stop
Split time measurement
Start
Split
1st-2nd place times
Start
Split
The first runner
finishes.
Tips...
Various moon time information for a specification can
be calculated by inputting of longitude, latitude and time
difference from GMT. Therefore correct entries are nec-
essary.
For world time zones, see the time zone chart booklet
attached.
When summer time adjustment is made, don't forget to
adjust time difference from GMT.
When location is changed, new location data should be
inputted to get correct moon time information.
When the watch shows wrong moon time information
compared with actual observed values, or estimated
values by public authorities, check entries in the follow-
ing order: year setting, time difference from GMT, LON-
GITUDE, LATITUDE, EAST OR WEST, NORTH OR
SOUTH.
SPLIT/RESET
START/STOP
1/100 second
Seconds
Re-start
Stop
Reset
Split release
Stop
Reset
Stop
Split release
Reset
The second runner
Record the time of
finishes.
the second runner.
Record the time of
the first runner.
AUTO DISPLAY FUNCTION
The Auto Display function of this watch continually changes the contents of the display.
Note that you cannot use any of the watch's other functions while the Auto Display
function is operating.
To turn the Auto Display on
Hold down C C C C C for about two or three seconds in any mode until the watch beeps.
To turn the Auto Display off
Hold down C C C C C for about two or three seconds until the watch beeps. At this time the
watch is in the Timekeeping Mode.
Note
The Auto Display function cannot be performed while you are making settings (i.e.
while digits or other setting are flashing on the display).
1879-2

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