Casio 3521, Operation Manual, Page: 14 / 21

Note
●
There is memory for up to 10 dive log
data records. Recording dive log data
when there are already 10 log data
records in memory causes the oldest
log record to be deleted automatically
to make room for the new one.
●
The watch automatically returns to the
Timekeeping Mode from the Log Data
Recall Mode after one or two minutes
of non-operation.
Deleting Dive Log Data
This deletes all log data records. Note that log
data records cannot be deleted individually.
1.
Enter the Log Data Recall Mode.
l
Navigating Between Modes
2.
Hold down (A) for at least two seconds.
This deletes the diving log data.
Tide Level and Moon
Age
You can use the procedures in this section to
check the tide level and Moon age in your
currently selected Home Time city.
Important!
●
Displayed information is intended for
reference only. Do not use it for
maritime navigation, etc.
●
Before looking up a tide level or Moon
age, configure your Home City
settings.
l
Setting a Home City
Checking the Current Tide
Level and Moon Phase
The current time’s tide graph and the current
date’s Moon phase (Moon Graph) are
displayed in the modes below.
●
Timekeeping Mode
●
Tide Graph/Moon Graph Mode
●
Dive Mode
Moon Graph
Tide Graph
●
Interpreting Tide Graph Information
High tide
Low tide
High tide
Flash simultaneously
Tide Cycle (Three Patterns)
Spring tide Half tide Neap tide
Large
difference
between high
tide and low
tide
Moderate
difference
between high
tide and low
tide
Small
difference
between high
tide and low
tide
●
Interpreting the Moon Graph
Shaded part
Moon part (white)
Watch Operation Guide 3521
14