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816 SHARK TIDE™
INSTRUCTIONS
FEATURES:
•CURRENT TIME (HR., MIN., &
SEC.)
•DAY/DATE/MONTH/YEAR
•INDICATES PRESENT TIME, TIDE
HEIGHT AND DIRECTION
•MOVEABLE CURSOR INDICATES
HOURLY TIDE AND DIRECTION
FOR PRESENT DAY
•FUTURE TIDE MODE INDICATES
TIDE HEIGHT AND DIRECTION
FOR 15 YEARS
•CHOOSE FROM FIFTEEN PRE-
PROGRAMMED ZONES.
•CHOOSE FROM 128 PRE-
PROGRAMMED BEACHES
WITHIN THE FIFTEEN ZONES
•PROGRAM YOUR LOCAL BEACH
BREAK IF NOT INCLUDED
AMONG THE 128 PRE-
PROGRAMMED BEACHES
•MULTIPLE COUNTDOWN TIMERS
•CHRONOGRAPH WITH SPLIT
TIMES
•FOUR DAILY OR ONE TIME
ALARMS AND HOURLY CHIME
•DUAL TIME AND OPTIONAL 24-
HR. TIME
•WATER-RESISTANT TO 300 FEET
•NIGHT VISION™ ELECTRO-
LUMINESCENT BACKLIGHTING
KEY REFERENCES
HOW TO SET TIME 1, DATE, 24-
HOUR FORMAT, AND BEACH
LOCATION
From TIME 1 mode, press and hold
the LIGHT/SET button for
approximately two seconds; the
seconds digits will flash.
To set your choice of location or
beach break, press MODE button;
press START button to select
location or beach break of choice.
Press MODE button; if you have
selected the Caribbean, Mexico,
West USA, or East USA, then DST
ON or DST OFF will appear on the
display. DST is an abbreviation for
daylight savings time. Note: All of
the western and eastern coastal
states in USA observe DST,
however, neither Hawaii nor Japan
observe Daylight Savings Time.
Note: The DST feature only needs
to be activated once by pressing
START button; it will adjust
automatically thereafter. However,
you will still need to adjust the time
of day at daylight savings time
changes. The DST flag will appear
on the display when the DST feature
is in the “ON” position.
Press MODE button; “USER OPT”
will appear on the display. If your
favorite location or beach break is
not one of the pre-programmed
locations, you may wish to add it.
To do this, you will need to know
the time difference between the high
tide at your favorite beach and the
high tide (for the same day) at
the closest pre-programmed beach.
This time difference information is
usually illustrated on tide calendars
or local tide charts, and is indicated
for example as (+ or -) 10, 20 or 30
minutes between two beach
locations. For example, suppose
your favorite beach break is Malibu,
which is not pre-programmed in the
watch, and your local tide calendar
indicates that Malibu tides are (+10)
minutes, compared to Los Angeles
tides. After entering Malibu as your
favorite beach, you would enter
(+10) as your offset.
To program your location or beach
break, press START button. Press
START button again to enter the
first letter, then press MODE button
to advance to the second letter. If
you advance any letter too far,
simply press STOP/RESET button
to back up. You may enter a total of
up to twelve letters.
After entering the last letter of the
name of your beach, press MODE
button continuously, until the words
“NO OFFSET” appear. Press
START button to enter your desired
offset. Press LIGHT/SET button to
return to TIME 1 mode.
At any time, while in TIME 1 mode,
press START button; current tide
conditions will appear on the top
half of the display.
HOW TO SET AND OPERATE
CURRENT TIDE
Press MODE button until “TIDE”
appears. Current date will be
displayed on the lower half, current
daily tide will be displayed on the
upper half.
Press START button; and cursor will
scroll across tide graph, indicating
high, low, rising and falling tide
conditions for any hour of the current
day.
You may also set tide zone, location,
DST, or user option from this mode
by pressing and holding LIGHT/SET
button for two seconds. Then follow
the sequence as outlined in “HOW
TO SET TIME 1, DATE, 24-HOUR
FORMAT, AND BEACH
LOCATION.”
The above graph shows how to read
the tide graph.
HOW TO SET AND OPERATE
FUTURE TIDE
In this mode you may enter any
future date for the next 15 years, to
access future tide information for
any selected location or beach
break. If you desire future tide
information for a location other than
your previously selected beach, you
will need to go back to either TIME
1 mode or TIDE mode, and enter
that new location.
Press MODE button until “FUTURE
Pressing the START button will reset
the seconds digits to 0. If seconds
are 30 or greater, one will be added
to the minutes digits.
To set hours digits, press MODE
button; hours digits will flash. To
advance hours digits, press START
button; to retard hours digits press
STOP/RESET button; hold for
rapid advnce.
To set minutes digits, press MODE
button; minutes digits will flash. To
advance minutes digits, press
START button; to retard minutes
digits, press STOP/RESET button;
hold for rapid advnce.
Continuing through the time and
date setting mode, the setting
sequence is seconds, hours,
minutes, year, month, date, and
12/24- hour mode.
After 12/24-hour mode is selected,
press MODE button; “SET TIDE?”
will appear. Press MODE button,
and one of the six zone options will
appear: Caribbean, East USA,
Hawaii, Japan, Mexico, or West
USA. Press START button to select
your choice of zone.