Suunto D3 User Manual

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ing may also be displayed at low temperatures, even 
though the battery has enough capacity in warmer 
conditions. In these cases repeat the battery check 
procedure.

After the battery check the Low Battery Warning is 
indicated by the battery symbol (Fig. 3.7.).

If the battery symbol is displayed in the Surface mode 
or if the display is faded or weak, the battery may 
be too low to operate the dive computer and battery 
replacement is recommended.

NOTE: For safety reasons the backlight cannot be 
activated when the low battery warning is indicated 
by the battery symbol. The Battery Power Indicator 
is displayed only in Gauge Mode. The Low Battery 
symbol is displayed in both Free and Gauge Modes.

This D3 has several User Defi nable Functions and 
depth and time related alarms that you can set accord-
ing to your personal preference. For example the D3 
has a patented presetting system for the User Defi n-
able Display Field in the lower part of the display.

Fig. 3.7. Low Battery Warning.
Battery symbol indicates that 
the battery is low and battery 
replacement is recommended.

Fig. 3.8. Bookmark activation. 
An annotation, Bookmark, is 
placed in the profi le  memory 
during a dive by pressing the 
S button (Displayed with the 
Diver attention symbol.)