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13
BUD OPERATING MANUAL
© 2002 Design, 2011 Doc. No. 12-5259-r01 (7/21/11)
NO DECO MAIN, information includes (Fig. 22) -
> DTR (hr:min) with NDC (or O2) icon.
> Current Depth with FT (or M) icon.
> Max Depth with MAX and FT (or M) icons
> EDT (Elapsed Dive Time) with DIVE and min icons
> NX, CF, DSAT (or Z+), icons - those that apply.
> TLBG.
> VARI, while ascending.
• B (< 2 sec) to access ALTs.
Upon ascending to 2 FT (0.6 M) during a dive, Surface Interval time will be displayed with the SURF icon flashing for the first 10
minutes with Current Depth displayed as 0 (Fig. 23).
• B (< 2 sec) to access Dive ALTs.
If a descent is made to 5 FT (1.5 M) for 5 seconds during that first 10 minutes, the dive will be continued. Surface time will not be added to
Elapsed Dive Time.
After 10 minutes elapse on the surface, operation will revert to the Surface Main with full access given to the other surface items.
NO DECO ALT 1, information includes (Fig. 24) -
> EDT (hr:min) with EDT icon.
> Max Depth with FT (or M) and MAX icons.
• B (< 2 sec) to access ALT 2 if NX, or revert to Main if Air.
• Revert to Main in 5 sec, if B not pressed.
NO DECO ALT 2 (if Nitrox), information includes (Fig. 25) -
> O2 saturation (accumulation) with O2% icon.
> Current PO2 value (ATA) with PO2 icon.
> FO2 Set Point with FO2 and NX icons.
• 5 sec or B (< 2 sec) to revert to Main.
SAFETY STOP MAIN, information includes (Fig. 26) -
> Stop Time (min:sec) with STOP icon, counting down.
> Current Depth with FT (or M) icon.
> Stop Depth with STOP and FT (or M) icons.
> NX, CF, DSAT (or Z+), icons - those that apply.
> TLBG.
• B (< 2 sec) to access ALTs**.
** The SS features up to 3 ALT displays which are similar to the No Deco Main, ALT1, and ALT2 displays, respectively.
DECOMPRESSION
Decompression mode activates when theoretical No Decompression time and depth limits are exceeded.
Upon entry into Deco, the full TLBG will flash (Fig. 27) for 10 seconds. The Stop Depth digits will flash while 10 FT (3 M) below
the required Stop Depth.
> Once within 10 FT (3 M) below the required Stop Depth (stop zone), the Stop Depth digits will stop flashing.
To fulfill your decompression obligation, you should make a safe controlled Ascent to a depth slightly deeper than, or equal to,
the required Stop Depth indicated and decompress for the Stop Time indicated.
The amount of decompression credit time that you receive is dependent on Depth, with slightly less credit given the deeper you
are below the Stop Depth indicated.
You should stay slightly deeper than the required Stop Depth indicated until the next shallower Stop Depth appears. Then, you
can slowly ascend to, but not shallower than that indicated Stop Depth.
Fig. 22 - NO DECO MAIN
Fig. 23 - NO DECO MAIN
(on surface < 10 min)
Fig. 24 - NO DECO ALT 1
Fig. 25 - NO DECO ALT 2
Fig. 26 - SS MAIN
Fig. 27 - DECO ENTRY