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Fig. 2.2. The water contact and
depth sensor.
F
R
E
E
A
C
S
Fig. 2.3. Active water contact is
indicated by the text AC.
2.3. WATER CONTACTS
The D3 is automatically activated when sub merged
in water. This function is made possible by the use
of water contacts. The water contacts consist of the
PC-interface poles and the four push-buttons of the
D3 (Fig. 2.2). When the PC-interface poles and one
of the push-buttons are connected by the conductivity
of the water the Surface or Diving Mode is automati-
cally activated.
Contamination or dirt on the PC-interface poles may
prevent this automatic operation. It is, there fore, im-
portant that the poles are kept clean. The poles can
be cleaned with fresh water and a soft brush (e.g.
tooth brush).
NOTE: Water or moisture build-up around the wa-
ter contacts may cause the contact to activate auto-
matically. This can happen, e.g., when washing your
hands or sweating. If the water contact activates in
the Time Mode, an AC text will appear on display
(Fig. 2.3.), and it will be shown until the water contact
deactivates, or the D3 enters the Dive Mode auto-
matically. To save the battery power, you should de-
activate the water contact by cleaning it and/or drying
it with a soft towel.