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VTX OPERATING MANUAL
© 2002 Design, 2014 Doc. No. 12-5382-r01 (10/24/14)
HIGH O2
Warning >> at 80 to 99% (240+ OTU).
Alarm >> at 100% (300+ OTU).
When O2 reaches the Warning level; the Audible will sound during which the graphics O2SAT = 80% (yellow) will flash in place
of DTR (Fig. 57A). After the audible is silenced, DTR will be restored.
If O2 reaches the Alarm level; the Audible will sound again during which the graphics GO UP O2 = 100% with Up Arrows (red)
will flash (Fig. 57B). After the Audible is silent, the graphics will remain on solid until on the surface.
• A (2 sec) - to access Adjust Brightness.
• A (< 2 sec) - to access ALTs.
• M (2 sec) - to access the Gas/TMT Switch Menu*.
• S (< 2 sec) - to restore screen Brightness from the Auto Dim level to the % level you last adjusted it to.
• S (< 2 sec) - to acknowledge alarms; this will also restore screen Brightness if it was dimmed by Auto Dim.
• S (2 sec) - to access Compass*.
*These items can only be accessed while viewing the Main.
High O2 during Deco
When O2 reaches the Warning Level; the Audible will sound during which the graphics O2SAT = xx% (yellow) will flash in place
of Stop Depth/Time (Fig. 57C) until the Audible is silenced, then Stop Depth/Time will be restored.
No indication is given to
ascend.
When O2 reaches 100%, the Audible will sound again during which the graphics GO UP O2 = 100% with Up Arrows (red)
will flash until on the surface (Fig. 57D). After the Audible is silent, the graphics will remain on solid until on the surface.
The full
TLBG remains on solid as a reminder of Deco.
• A (2 sec) - to access Adjust Brightness.
• A (< 2 sec) - to access ALTs.
• M (2 sec) - to access the Gas/TMT Switch Menu*.
• S (< 2 sec) - to restore screen Brightness from the Auto Dim level to the % level you last adjusted it to.
• S (< 2 sec) - to acknowledge alarms; this will also restore screen Brightness if it was dimmed by Auto Dim.
• S (2 sec) - to access Compass*.
*These items can only be accessed while viewing the Main.
High O2 on Surface
Upon ascent to 2 FT (0.6 M) for 1 second (surfacing), the Surface Main screen is displayed. During the first 10 minutes, access
to the Surface ALTs is allowed with other modes and screens blocked until the 10 minutes elapse.
> If O2 is 100%, the value graphics O2 = 100% will flash on the Main (Fig. 57E) in place of the graphic NORM until 10
minutes elapse, then the graphics will alternate until O2 is < 100% when O2 will be removed.
> If you surface due to 100% O2 without having completed the Deco obligation, operation will enter VGM after 5 minutes.
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Fig. 57A - O2 WARNING
(No Deco Dive Main)
Fig. 57B - O2 ALARM
(No Deco Dive Main)
Fig. 57C - O2 WARNING
(Deco Stop Main)
Fig. 57D - O2 ALARM
(Deco, until on surface)
FT
GAS 1 GTR
PSI
730 16
108
AR
TL
O2SAT = 80%
FT
GAS 1 GTR
PSI
530 9
109
TL
GO UP
O2 = 100%
FFT
GAS 3 GTR
PSI
1870
68
22
TL
O2SAT = 80%
FFT
GAS 3 GTR
PSI
1230 59
21
TL
GO UP
O2 = 100%
GAS 1
DIVE
PSI
340 3
TL
O2 = 100%
SURF
0:11
Fig. 57E - O2 ALARM
(on surface)
alternate with
NORM