Tusa Element II Installation guide

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No Deco Deep Stop
• After descending deeper than 80 FT (24 M), then
ascending to within 10 FT (3 M) below 1/2 Max Depth.
• Preview available only deeper than 1/2 Max Depth.
• Stop at 1/2 Max Depth for 2 minutes.
• No Penalty for ascending during the 2 minute countdown.
No Deco Safety Stop
• After descending deeper than 30 FT (9 M), then
ascending to 20 FT (6 M).
• Stop at 15 FT (4.5 M) for 3 minutes.
• No Penalty for surfacing during the 3 minute countdown.
NORM/GAUG SURF >> SET F >> SET A >> SET U >> SET T (to access & step through, press both A and S 2 sec)
SET F >> FO2 GAS 1 >> FO2 GAS 2 >> FO2 GAS 3 >> FO2 DEFAULT (A < 2 sec to step through)
SET A >> AUD >> DEPTH >> EDT >> TLBG >> DTR >> PO2 (A < 2 sec to step through)
SET U >> WET >> UNITS >> SAFETY >> CF >> GLO >> SAMPLING (A < 2 sec to step through)
SET T >> 12/24 >> HOUR >> MINUTE >> YEAR >> MONTH >> DAY (A < 2 sec to step through)
M 2 sec
SURF ALT (common)
to NORM
SURF MAIN
NORM SURF MAIN GAUG SURF MAIN FREE SURF MAIN
from NORM/
GAUG MAIN
OPERATING MODES
• There are 3 Modes of operation >> NORM (Air or Nitrox), GAUG (no Ni-O2), and FREE (no Ni-O2 or Pressure)
• Dive Mode >> if Wet Activation is set Off, you must Activate the unit prior to the first dive of a series
• Backlight >> press (S) for 2 seconds
• NORM/GAUG display Times as hr:min, FREE displays Times as min:sec (NDC as hr:min), and Time of Day is always hr:min.
NORM PLAN NORM/GAUG FLY NORM DESAT
NORM/GAUG LOG HISTORY
A 2 sec
min:sec
FREE SURF >> ALT1 (Temp/Time) >> ALT2 (Last EDT, Max Depth)
(to access and step through, press A < 2 sec)
FREE SURF >> CDT Status >> SET MINUTES >> SECONDS
(to access, press A 2 sec, to set press both A & S 2 sec)
FREE SURF >> EDT Alarm > DEPTH Alarm 1, 2, 3
(to access, press both A & S 2 sec, to step through, press A < 2 sec)
• To Select the Operating Mode to be used, press/release M while the Mode graphic (NORM, GAUG, or FREE) is flashing.
M 2 sec M 2 sec
A < 2 sec A < 2 sec A < 2 sec
S 2 sec
to FLY
S < 2 sec
to SURF
MAIN
A < 2 sec A < 2 sec to SURF
MAIN
A < 2 sec
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© 2002 Design, 2009 Doc. No. 12-2981-r01 (7/15/09)
DECO STOP MAIN
NORM DIVE ALT 1 NORM DIVE ALT 2 NORM DIVE MAIN
CONDITIONAL VIOLA HIGH PO2 HIGH O2
NORM/GAUG DIVE MODES
• ALT (Alternate) screens >> display Max Depth, Temp, Time, Gas#, FO2, PO2 (revert to MAIN after 5 seconds)
• NORM CF (Conservative Factor) >> when set On, NDLs are reduced to those available at the next higher 3,000 foot (915 meter) Altitude
• NORM NO DECO DEEP STOP >> For No Deco Dives deeper than 80 FT (24 M), a Deep Stop is triggered and then displayed for 2 minutes
upon ascent to 1/2 the Max Depth.
• NORM NO DECO SAFETY STOP >> For No Deco Dives deeper than 30 FT (9 M), a Safety Stop is displayed for 3 minutes upon ascent to
15 FT (4.5 M). There is no penalty for surfacing during the countdown.
• Backlight >> depress S for 2 seconds.
• Alarms >> press/release S to acknowledge/silence. Messages scroll until the situations are corrected.
• NORM Gas Switch >> press M 2 sec to access Gas 1 Preview, then < 2 sec to view Gas 2 Preview, then 2 sec to Switch to the Gas2.
A < 2 sec
NO DECO SAFETY
STOP MAIN
GAUG DIVE MAIN
FREE DIVE MAIN FREE DIVE ALT 1 FREE DIVE ALT 2
FREE DIVE MODE
• Sampling Rate (for download data) >> fixed at 1 sec
• Nitrogen calculations >> based on fixed FO2 of AIR (carries over to NORM if Mode is changed between dives)
min:sec
min:sec
hr:min
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A < 2 sec to DIVE
MAIN
A < 2 sec
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NO DECO DEEP STOP
MAIN
NO DECO DEEP STOP
PREVIEW
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A 2 sec < < < sample displays > > >
M
2 sec
Gas
Switch
Power Supply:
(1) 3 volt, CR2450, Lithium battery
Settings and nitrogen and oxygen calculations for repetitive dives are retained while the battery is being replaced.
A < 2 sec A < 2 sec to DIVE
MAIN
A < 2 sec