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Press KEY1 again to go to the Big screen, on which are displayed only the dive time, depth and no-
decompression time or, as the case may be, decompression information after expiry of the no-
decompression time.
On the Dive graph screen, you will see the current dive profile with information on depth, maximum
depth and time. Press KEY1 to return to the Detailed screen.
Menu
(BOTH KEYS)
Unlike the OC mode, several items that are important for closed-circuit diving are added to the
menu.
Bailout mode (OC)
If it is necessary to change to open circuit, this command switches the computer to the open-circuit
mode. After switching to this mode, decompression is calculated in the standard manner according
to the composition of the chosen mixture. Therefore, it is necessary to immediately select the
mixture that is actually being breathed after switching to bailout mode. This is accomplished by using
either the keypad shortcuts KEY1 LONG up and KEY2 LONG down or by accessing the menu and
selecting “Mix”. All controls are then identical to the OC mode. To return to the CCR mode, select
“Original mode (CCR)” in the menu.
Fixed SP mode (CCR)
In this mode, the pressure sensors are disconnected and the Freedom computer calculates
decompression on the basis of the fixed setpoints. Control of this mode is identical to the Fixed CCR
mode. To return to the CCR mode, select “Original mode (CCR)” in the menu.
End dive
This item (which functions only on the surface) terminates the dive and the dive is stored in the
Logbook. If a dive is not terminated manually, it will end automatically following a ten minute
interval from the last ascent above the depth of 0.5m. The dive is then stored in the logbook without
the last ten minutes on the surface.
Show plan
The current course of decompression can be displayed during the dive. If you are just under the
surface or you launch a demo dive, go to the menu (BOTH KEYS) and select the “Show plan” item.
The Freedom will display the list of decompression stops and the length thereof. Use of all set
mixtures with gas switch at the optimum depth is anticipated in the calculation of the ascent time.
Faulty sensors
In the “Faulty sensors” item, it is possible to remove faulty sensors that significantly deviate from the
values of other sensors or are completely nonfunctional. By doing so, you will remove the given
sensor from the calculation of the ppO2 average, which is used for calculating decompression and
other computed values.
Place the cursor on the defective sensor and use KEY 1 to change the value from “Normal” to
“Disabled”.
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