Cochran Nemesis IIa NITROX, Руководство пользователя

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4. While the Nemesis IIa Nitrox is in the normal Surface Mode, tap the TU on the
PWR circle one time. You should see the WU display change to the program-
ming display.
5. Using the INCREMENT button (the one closer to the data probe wire), program
the 10's digit. Each push of this button will increment the digit by one. A
confirmation chirp will be heard with each increment in value and the upper left
corner of the WU display will read 1-3.
NOTE: The maximum 10's digit accepted by the TU for Mix 1 is 5 since the maximum
percentage of oxygen allowed for Mix 1 is 50.0 percent. The Field Programmer will
increment this digit up to 9 since the decompression mixes are capable of oxygen
percentages of up to 99.9 percent but, again, 50.0 percent is the maximum value that
can be programmed for Mix 1.
6. Once you have programmed the 10's digit, press the SELECT button (the
one farthest from the data probe wire) to move to the 1's digit. The WU will
now display 1-2. Using the INCREMENT button, program the 1's digit to
the desired setting. Remember, the maximum accepted programming for
Mix 1 is 50.0 percent. If you have programmed the 10's digit to a 5, the
TU will not accept any other 1's digit except 0.
7. Using the SELECT button, you now move to the 1/10's digit. The WU will
display 1-1. Program this value as in the previous two steps.
8. You will repeat this process to program Mix 2 and Mix 3.
NOTE: For Mix 1, the far upper left digit displayed a 1, i.e. 1-3, 1-2, 1-1. For Mix 2, this
digit will display a 2 and for Mix 3, the digit will be a 3. The numbers following the dash
signify either the 10's, 1's, or 1/10's digit. An x-3 signifies you are programming a
10's digit, an x-2 signifies you are programming a 1's digit, and an x-1 signifies you
are programming a 1/10's digit. If you wish to leave a particular digit unchanged,
press the SELECT button to move to the next programming step.
9. With all three mixes programmed, you must now determine the two Mix 3
benchmarks that must be met in order for Mix 3 to become active. These
two benchmarks are the bottom time that you must be beyond and the
depth you must be above in order for this switch to occur. Remember,
BOTH of these two benchmarks MUST be met for Mix 3 switching. The first
benchmark is the bottom time.
10. The WU will display a lower case b in the far upper left corner. This bottom
time benchmark is programmed in minutes with the first digit, b-3, being
the 100's digit. Use the SELECT and INCREMENT buttons in the same
manner as used to program the three Nitrox mixes, moving next to the 10's
digit (b-2) and the 1's digit (b-1). You may wish to leave this benchmark set for
20 to 30 minutes since most decompression dives have a bottom time of
greater length. Remember, the depth benchmark must be met as well as this
bottom time benchmark before switching to Mix 3 is allowed. Once you have
programmed the bottom time benchmark, press the SELECT button to move
to the depth benchmark programming.