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Warnings you may encounter: The only warning that may
appear while the IQ-600 is in Surface Mode is the Low
Battery symbol. The Low Battery warning means that the IQ-
600’s battery lacks sufficient voltage to function properly.
Figure 4: Low Battery Symbol.
Once the Low Battery warning appears,
you must return your IQ-600 to your local
authorized TUSA distributor for battery
replacement, or replace the battery your-
self, following the procedures outlined
later in this manual. Before replacing your
IQ-600’s battery, be sure to upload or copy
all dive log data to your log book, as the
battery replacement process erases all
such data from the IQ-600’s Random
Access Memory (RAM).