Rbt In A Deco Dive - Seac GURU HP User Manual

RBT in a DECO dive

If anticipated mandatory deco stops are expected (warning: Safety Stops and Deep Stops are not considered mandatory
safety stops), the RBT value indicates the remaining bottom time expected, given the current depth and breathing rate, so that
once the mandatory deco stops are complete, the tank pressure will reach the reserve pressure (TANK RES, which can be set
from the TRANSMITTER menu).
E.g. (If TANK RES. = 30 in the TRANSMITTER menu and dive with DECO stops)
In a DECO dive, the RBT value will be "0" when there is sufficient pressure left in the tank so that, if the ascent begins immediately
and the correct speed and mandatory deco stops are respected (the Deep Stop is not considered a mandatory stop), there will be
30 BAR of pressure remaining once the final deco stop is complete.
The TANK RES. (reserve) can be changed from the TRANSMITTER menu. The minimum value of TANK RES. is 10 BAR and the
maximum is 50 BAR.
The RBT is a purely mathematic-statistical value based on the information acquired by the Transmitter. It cannot in any way
anticipate behaviors that increase gas consumption such as overbreathing or similar.
It must be used solely and exclusively as a generic statistical indication. It cannot in any way replace proper dive planning or an
awareness of your own physical and mental faculties.
Do not use the RBT value to extend the dive beyond the value established during planning. If you have any questions about how
to correctly program a dive, contact your instructor.
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