Oceanic VT 4.0, Operating Manual

57

VT 4.0 OPERATING MANUAL

© 2002 Design, 2011

Doc. No. 12-5213-r02 (9/6/11)

CAN.BE.USED.AS

•  Dive Computer (Air or Nitrox) with up to 4 Gases up to 100% O2 and 4 Transmitters. 

•  Digital Depth Gauge/Timer with up to 4 Transmitters.

•  Free Dive (breath hold) activity with Depth Gauge/Countdown Timer.

•  Compass.

DIVE.COMPUTER.PERFORMANCE

•  Buhlmann ZHL-16c based Pelagic Z+, or DSAT based, algorithm.

•  No Deco limits closely follow PADI RDP.

•  Decompression in agreement with Buhlmann ZHL-16c and French MN90.

•  No Deco Deep Stops >> Morroni, Bennett.

•  Deco Deep Stops (not recommended) >> Blatteau, Gerth, Gutvik.

•  Altitude >> Buhlmann, IANTD, RDP (Cross).

•  Altitude corrections and O2 limits based on NOAA tables. 

TRANSMITTERS.(TMTs)

•  Battery and Pressure check 

  >  every 2 seconds when awake

•  Startup

  >  Pressure => 120 PSI (8 BAR)

  >  Battery => 2.75 volts

•  Shutdown

  >  Pressure < 50 PSI (3.5 BAR)

TMT.Compatibility.with.Nitrox

•  When packaged and shipped from the factory, Oceanic Transmitters are rated for use with compressed Air and Nitrox mixtures containing up to 99% O2 by volume and with 100% O2. 

OPERATIONAL.PERFORMANCE

Function:

Accuracy:

•  Depth  

±1% of full scale

•  Timers 

1 second per day

Dive.Mode.Activation:

•    Must first be activated by button press, if Wet Activation is set OFF.

•    Automatic by immersion in water, if Wet Activation is set ON.

•    Cannot be manually activated deeper than 4 FT (1.2 M), if Wet Activation is set OFF.

•    Cannot operate as a DC at elevations higher than 14,000 feet (4,270 meters).

Unit.Shutoff:

•    2 hours after activation, if no dive conducted.

•    24 hours after conducting a dive, if no further dives conducted.

Dive.Counter:

•  NORM/GAUG displays Dives #1 to 24, FREE displays #1 to 99 (0 if no dive made yet). 

•  Resets to Dive #1, upon diving (after 24 hours with no dives).

Dive.Log.Mode:

•  Stores 24 most recent NORM/GAUG dives in memory for viewing.

•  After 24 dives, adds 25th dive in memory and deletes the older dive.

Altitude:

•  Operational from sea level to 14,000 feet (4,270 meters) elevation.

•  Measures ambient pressure upon activation and every 15 minutes while in Surface modes.

•  Does not measure ambient pressure when Wet.

•  Compensates for Altitudes above sea level beginning at 3,001 feet (916 meters) elevation and every 1,000 feet (305 meters) higher.

Power:

•  Battery 

(1) 3 vdc, CR2450, Lithium battery (Panasonic or equivalent)

•  Transmitter Battery 

(1) 3 vdc, CR2, .75 Ahr, Lithium battery (Duracell model DL-CR2 or equivalent)

•  Shelf life 

Up to 5 years

•  Replacement 

User replaceable (annual recommended)

•  Use Life 

1 year or 300 dive hours if (2) 1 hour dives per dive day

•  Use Life (Transmitter)  300 dive hours if (2) 1 hour dives per dive day

Battery.Indicator:

•  Warning >> icon on solid when <= 2.75 volts, Battery change recommended.

•  Alarm >> icon on flashing when <= 2.50 volts, change the Battery, will not function.  

Operating.Temperature:

•  Out of the water >> between 20 °F and 140 °F (-6 and 60 °C).

•  In the water >> between 28 °F and 95 °F (-2 and 35 °C). 

BAR.GRAPHS:

TLBG

  segments  

.

•  No Deco Normal zone 

  1 to 3         

•  No Deco Caution zone 

  4         

•  Decompression zone 

  5 (all)   

VARI

60 FT (18 M) & Shallower          Deeper than 60 FT (18 M)     

segments   FPM   

MPM      segments      FPM    MPM

  0      0 - 10   

0 - 3       

0        0 - 20    0 - 6 

•  Normal zone 

  1      11 - 15 

3.5 - 4.5     

1        21 - 30  6.5 - 9

  Normal zone 

  2      16 - 20 

5 - 6       

2        31 - 40  9.5 - 12

  Normal zone 

  3      21 - 25 

6.5 - 7.5     

3        41 - 50  12.5 - 15

•  Caution zone 

  4      26 - 30 

8 - 9       

4        51 - 60  15.5 - 18

•  Too Fast zone (flashing)                5 (all)       > 30             > 9                  5 (all)              > 60         > 18 

SPECIFICATIONS