35
FUNCTION STD. GAUGE
MODES MODE
underwater displays
Dive time avail Yes No
TLBG Yes No
All other displays Yes Yes
surface displays
Surface Time Yes Yes
Dive Log Yes Yes
PDPS Yes No
Time to Fly Yes No
Fig. 27 – Effects of an Immediate
Violation: a. Gauge Mode Func-
tions & b. Underwater Display
b.
®
FT
GAUGE MODE
The PRODIGY will operate with limited functions in what is called
“Gauge Mode” up to 24 hours after a dive in which any Immediate or Delayed
Violation Mode was entered. Gauge Mode turns the PRODIGY into a digital
instrument without any decompression monitoring functions. Figure 27a
illustrates the changes effected in Gauge Mode.
When in Gauge Mode underwater (Fig. 27b), the PRODIGY flashes the
TLBG. If the PRODIGY changes to Gauge Mode while underwater, you have
entered an Immediate Violation Mode. Be sure to read the Violation section
thoroughly beginning on page 30.
Above water, Gauge Mode is indicated by the lack of a Pre Dive Planning
Sequence or Time to Fly display. Twelve hours after surfacing, a countdown
timer with a “single dash” display will inform you of the number of hours
remaining before normal operation can resume (Fig. 28).
CAUTION ZONE – C.Z.
When you learned how to dive, you were taught not to get too close to the
No-decompression limits. The Caution Zone (C.Z.) offers you a way to consis-
tently monitor how close you are to the no-decompression limit. Oceanic
recommends always leaving the water with the TLBG well inside of
the green No Decom zone.
a.
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