SUUNTO COBRA User Guide - Manual (Page 29)

Dive Computer Model Settings (Air/Nitrox/Gauge) [3 MODEL]
In the Dive Computer Model Setting mode the dive computer can be set to be an AIR
computer, NITROX computer or a depth GAUGE with a timer.
To enter the Dive Computer Model Setting mode, select MODE- 3 SET- 3 SET PREF-
3 MODEL.
Figure 4.9. Setting Dive Computer model
4.2. AC water contacts
The water contacts control the automatic activation of the Dive Mode.
The water and data transfer contacts are located on bottom of the case. When sub-
merged the water contacts are connected to the push buttons (which are the other
pole of the water contact) by the conductivity of the water. The “AC” text will appear
on display. The AC text will be shown until the water contact deactivates or the dive
computer enters the Dive Mode automatically.
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