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49
CC DIVE OPERATION
Doc. 12-7969 Doc. 12-7969 r09 (9/22/22) © Apeks (2022)
SP SWITCH
(ACTUAL: 0.70)
SWITCH TO HIGH 1.20
SWITCH TO CUSTOM 1.00
/
/
current PO2 setting
1. SP (SETPOINT) SWITCH
This menu allows the manual switching of the PO
2
setpoint. The DSX is capable of 3 (Low, High,
Custom) preset internal PO
2
setpoints. The active setpoint will not be an option in the menu. If you
decide to stay with the active (current) setpoint, allow the DSX to time out of the menu or hold the left
button to return to the CC Dive Main Menu.
NOTE: If the Custom Setpoint is set off, it will not display in this menu.
2. GAS (& TRANSMITTER) SWITCH
!
WARNINGS:
• Historically, many accidents and near misses have occurred by switching to the wrong
gas at the wrong depth. DO NOT attempt gas switch decompression dives without proper
education and training to do so from an internationally recognized training agency.
• Diving deeper than 39 m (130 ft), will greatly increase your risk of decompression
sickness.
• Decompression diving is inherently hazardous and greatly increases your risk of
decompression sickness, even when performed according to the dive computer's
calculations.
• Using a DSX is no guarantee of avoiding decompression sickness.
• The DSX enters Violation Mode when a situation exceeds its capacity to predict an ascent
procedure. These dives represent gross excursions into decompression that are beyond
the boundaries and spirit of the DSX's design. If you are following these dive profiles,
Apeks advises that you should not use a DSX.
• If you exceed certain limits, the DSX will not be able to help you get safely back to the
surface. These situations exceed tested limits and can result in loss of some functions
for 24 hours after the dive in which a violation occurred.
OVERVIEW
• The Gas Switch Menu cannot be accessed during the sounding of alarms.
• If an alarm strikes while in the Gas Switch Menu, the switch operation is terminated (reverting to the
CC Dive Main screen.
• The current gas and CC-6 gases will not be listed in the gas switch menu.
NOTE: CC-6 is fixed at 99/00 (O
2
/ He) and is reserved for the onboard oxygen tank of your
CCR (Closed Circuit Rebreather).
GAS SWITCH
CC-2
CC-3
CC-4
CC-5
25/35
18/45
50/00
ON
80/00
OFF
OFF
ON
/ /
65.5 M
MOD: 78.8 M
PO2: 1.36
PO2: 1.89
PO2: 3.77
PO2: 6.04
Maximum Operating Depth
for the highlighted gas
current PO2 values, at the current depth