Oceanic Watch / Dive Computer GEO - Manual (Page 13)

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The Data Download program is used to retrieve Data that was sampled during
dives and stored in the GEO's memory.
The GEO checks for an External Access request once every second while in the
Watch Main Time. Checks are not made if the unit is wet. For a connection to be
made, the Interface Cable is clipped onto the GEO's Data Port and plugged into a
PC USB Port. To establish the connection, the PC program must be running.
When the connection is made, all segments of the LCD appear on the display until
completion of the Upload or Download operation.
 The GEO reverts to the Watch Main Time screen after completion of the
Upload or Download operation, or after 2 minutes if no PC action was taken.
SYMBOLS AND ALPHA NUMERIC GRAPHICS
The upper line of digits on the LCD screen is used to convey alpha Messages such
as Day of the Week, Operating Modes, items being Set, Altitude level, and Alarm
identification. At times, the second line is also used to display alpha numeric
graphics such as FO2 and On/Off. The PO2 values will appear in the lower
line.
AUDIBLE ALARM
Most warning situations that activate the Audible Alarm while operating in NORM
or GAUG Mode cause the GEO to emit 1 beep per second for 10 seconds, or
until the situation is corrected, or it is acknowledged by momentarily pressing and
releasing the S button (less than 2 seconds). After being acknowledged and the
situation corrected, the Alarm will sound again upon reentry into the warning
situation, or entry into another type of warning situation.