Suunto Vytec DS — altitude Adjustment Mode and RGBM Algorithm for Diving Computers [68/86]
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Before high altitude diving, the instrument must be set to the Altitude
Adjustment mode to adjust the calculations for the new altitude. The
maximum partial pressures of nitrogen allowed by the mathematical
model of the dive computer are reduced according to the lower ambient
pressure.
As a result, the allowed no-decompression stop limits are considerably
reduced.
SURFACE INTERVALS
The dive computer requires a minimum surface interval of 5 minutes
between dives. If a surface interval is shorter than 5 minutes, the next
dive is treated as a continuation of the previous dive.
6.2. SUUNTO REDUCED GRADIENT BUBBLE
MODEL (RGBM)
The Suunto Reduced Gradient Bubble Model (RGBM) is a modern algo-
rithm for predicting both dissolved and free gas in the tissues and blood
of divers. It was developed in a co-operation between Suunto and Bruce
R. Wienke BSc, MSc. PhD. It is based on both laboratory experiments
and diving data, including data from DAN.
It is a signifi cant advance on the classical Haldane models, which do not
predict free gas (microbubbles). The advantage of Suunto RGBM is ad-
ditional safety through its ability to adapt to a wide variety of situations.
Suunto RGBM addresses a number of diving circumstances outside the
range of just dissolved gas models by:
• Monitoring continuous multiday diving
• Computing closely spaced repetitive diving
• Reacting to a dive deeper than the previous dive
• Adapting for rapid ascents which produce high micro-bubble
(silent-bubble) build-up
• Incorporating consistency with real physical laws for gas
kinetics.
Suunto RGBM Adaptive decompression
The SUUNTO RGBM algorithm adapts its predictions of both the effects
of micro-bubble build-up and adverse dive profi les in the current dive
series. It will also change these calculations according to the personal
adjustment you select.
The pattern and speed of decompression at the surface is adjusted
according to micro-bubble infl uence.
Содержание
- Definition of warnings cautions and notes p.3
- Copyright trademark and patent notice p.3
- Warning p.4
- Pren 13319 p.4
- Iso 9001 p.4
- Warning p.5
- Warning p.6
- Warning p.7
- The suunto rgbm deep stop algorithm p.10
- Introduction p.10
- Safety precautions p.11
- Emergency ascents p.11
- Nitrox p.12
- Getting acquainted p.12
- Functions p.12
- Dive computer limitations p.12
- Push buttons p.13
- Making the vytec personal p.13
- Water contacts p.14
- Wireless cylinder pressure transmission p.15
- Installing the transmitter p.15
- Pairing and code selection p.16
- Warning p.16
- Transmission data p.17
- Diving with the vytec p.19
- Before diving p.19
- Activation and prechecks p.19
- Battery power indicator p.20
- Battery indication p.20
- The battery power indicator can always be seen when the dive mode is activated the electroluminescent backlight will be on during the battery check the following table and figure show the various warning levels p.21
- Temperature or an internal oxidation of the battery affects the battery voltage if the in strument is stored for a long period the low battery warning may be displayed even though the battery has enough capacity the low bat tery warning may also be displayed at low tem peratures even though the battery has enough capacity in warmer conditions in these cases repeat the battery check procedure p.21
- Table 3 battery power indicator p.21
- After battery check the low battery warning is indicated by the battery symbol fig 3 p.21
- Wireless transmitter battery indicator p.22
- Dive planning plan p.22
- Dive numbering shown during dive planning p.22
- Safety stops p.23
- Recommended safety stop p.23
- User defi nable functions and alarms p.23
- Mandatory safety stop p.24
- Diving in air mode p.25
- Deep stops p.25
- Basic dive data p.25
- Cylinder pressure data p.26
- Bookmark p.26
- Consumed bottom time cbt p.27
- Whenever the slow warning segment and the stop sign appear fig 3 3 you should immediately slow down your ascent when you reach the depth zone between 6 m to 3 m 20 ft to 10 ft the stop and ceiling depth labels will advise you to make a mandatory safety stop wait until the warning disappears fig 3 4 you should not ascend shallower than 3 m 10 ft with the mandatory safety stop warning on p.28
- When the maximum allowed ascent rate is exceeded the fi fth slow warning segment and the stop sign appear and the depth reading starts to blink indicating that the maximum ascent rate has been exceeded continuously or that the current ascent rate is signifi cantly above the allowed rate p.28
- Warning p.28
- The ascent rate is shown graphically along the right side of the display as follows p.28
- Table 3 ascent rate indicator p.28
- Red zone as all of the bars appear red zone your no decompression stop time has become zero and your dive has become a decompression stop dive for more information see section 3 decompression dives p.28
- Do not exceed the maximum ascent rate rapid ascents increase the risk of injury you should always make the mandatory and recommended safety stops after you have exceeded the maximum recommended ascent rate if this mandatory safety stop is not com pleted the decompression model will penalize your next dive s p.28
- Ascent rate indicator p.28
- Safety stops and deep stops p.29
- Decompression dives p.29
- Warning p.30
- Ceiling ceiling zone floor and decompression range p.30
- Warning p.31
- Display below the floor p.31
- Display at the ceiling zone p.31
- Display above the floor p.31
- If you continue to violate the decompression the dive computer goes into a permanent error mode in this mode the instrument can only be used as a depth gauge and timer you must not dive again for at least 48 hours see also section 3 error conditions p.32
- If you ascend above the ceiling during a de compression stop a downward pointing arrow will appear and a continuous beeping starts fig 3 9 in addition an error warning er reminds you that you have only three minutes to correct the situation you must immediately descend to or below the ceiling p.32
- Diving in nitrox mode p.32
- Display above the ceiling p.32
- Before diving p.32
- Oxygen displays p.33
- Default nitrox settings p.33
- Gas change multiple breathing gas mixes p.35
- Oxygen limit fraction olf p.35
- Diving in gauge mode p.36
- Surface interval p.37
- At the surface p.37
- Dive numbering p.38
- Table 3 warning symbols p.39
- Flying after diving p.39
- Audible and visual alarms p.40
- Warning p.41
- Oxygen alarms in nitrox mode p.41
- Table 3 altitude adjustment ranges p.42
- Personal adjustment p.42
- High altitude dives and personal adjustment p.42
- Altitude adjustment p.42
- Table 3 personal adjustment ranges p.43
- Error conditions p.44
- Table 3 rgbm model settings p.44
- Omitted decompression p.44
- The use of the menu based functions p.45
- Menu based modes p.45
- The list of the menu based modes p.46
- Exit quit p.46
- Memories and data transfer 1 memory p.47
- Logbook and dive profi le memory 1 logbook p.47
- Dive profile memory prof p.50
- Dive history memory 2 history p.50
- Data transfer and pc interface 3 tr pc p.51
- Simulation mode 2 simul p.52
- Dive simulator 1 simdive p.52
- Set modes 3 set p.53
- Dive planning simulator 2 simplan p.53
- Altitude adjustment personal adjustment rgbm set tings and safety stop deep stop 1 adj mode p.54
- Dive parameter settings 1 set dive p.54
- Nitrox oxygen settings 4 nitrox p.55
- Maximum depth alarm setting 3 max dpth p.55
- Dive time alarm setting 2 d alarm p.55
- Setting time 2 set time p.56
- Adjusting time 1 adj time p.56
- Setting preferences 3 set pref p.57
- Backlight setting 1 light p.57
- Adjusting date 2 adj date p.57
- Adjusting daily alarm 3 t alarm p.57
- Wireless transmission settings 3 hp p.58
- Profi le sample rate setting 4 rec p.58
- Dive computer units setting 2 units p.58
- Dive computer model setting 5 model air nitrox gauge p.58
- Care of your dive computer p.59
- Care and maintenance p.59
- Important information p.59
- Water resistance inspection p.60
- Maintenance p.60
- Caution p.60
- Computer battery p.61
- Caution p.61
- Battery replacement p.61
- Battery kit p.61
- Tools required p.62
- Battery replacement p.62
- Refi t the dive computer in the console according the instructions of the console p.64
- Note it is advisable to contact an authorized suunto dealer for trans mitter battery replacement it is imperative that the change is made in a proper manner to avoid any leakage of water into the transmitter p.64
- Console model p.64
- Check after the fi rst dives for possible moisture under the transparent battery compartment lid indicating a leak p.64
- Caution p.64
- Assemble the shorter part of the strap use the spring bar tool or small screwdriver to compress the spring bars make sure that the spring bars get fully seated so they will not come off their holes p.64
- Wireless transmitter battery replacement p.64
- Caution p.65
- Battery kit p.65
- Technical description p.66
- Operating principles p.66
- The atmospheric pressure is lower at high altitudes than at sea level after traveling to a higher altitude the diver will have additional nitrogen in his body compared to the equilibrium situation at the original altitude this additional nitrogen is released gradually in time and equilibrium is reached it is recommended that you acclimate to the new altitude by waiting at least three hours before making a dive p.67
- Table 6 no decompression time limits min for vari ous depths m for the first dive of a series p.67
- Table 6 no decompression time limits min for vari ous depths ft for the first dive of a series p.67
- Altitude diving p.67
- Suunto reduced gradient bubble model rgbm p.68
- Surface intervals p.68
- Oxygen exposure p.69
- Technical specification p.70
- Warranty p.73
- System requirements p.74
- Suuntosports com p.74
- Suuntosports com sections p.75
- My suunto p.75
- Communities p.75
- Sport forums p.76
- Getting started p.76
- Glossary p.77
- Disposal of the device p.82
- Page 3 p.83
- H am pm p.83
- Alternative displays p.83
- Tr pc 1 logbook p.83
- On off p.83
- Dt minutes p.83
- Alarm depth p.83
- Time keeping and stand by mode surface mode diving mode p.83
- Nitrox gauge display p.83
- Dive simulation surface mode p.83
- Air nitrox gauge p.83
- T alarm 1 adj time 1 adj time p.83
- Nitrox p.83
- Dive n page 1 page 4 profile page 2 p.83
- Adj mode p.83
- Simulation options p.83
- Modes and operations p.83
- Dive n page 1 p.83
- Adj date p.83
- Simulate planning p.83
- Dive n 2 page 1 p.83
- Add surface interval minutes p.83
- Simulate diving p.83
- Mode options p.83
- Dive n 1 page 1 p.83
- Add surface interval hours p.83
- Simplan 1 simdive p.83
- Mix 1 mix 2 on off mix 3 on off p.83
- Dive mode 1 m p.83
- Activate the timekeeping display p.83
- Set time options p.83
- Minutes p.83
- Deepstop off 1 2 p.83
- 4 set dive options p.83
- Set preferences 1 set dive 2 set time p.83
- Metric imperial p.83
- Data transfer p.83
- Set pref options p.83
- Menu based submode 1 menu based submode 2 p.83
- Set options p.83
- Menu based main mode p.83
- D alarm p.83
- Set 1 memory 2 simul p.83
- Memory options p.83
- Bookmark in the profile memory alternative display p.83
- Sample rate 10 20 30 60 s p.83
- Max dpth p.83
- Backlight on time p.83
- Rgbm rgb 50 100 p.83
- Lcd battery check p.83
- Backlight p.83
- Reserve air alarm 10 200 bar p.83
- Increase depth decrease depth p.83
- Ascend descend p.83
- Personal p0 p1 p2 p.83
- History p.83
- Altitude a0 a1 a2 p.83
- Www suunto com p.86
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Learn about altitude adjustment modes and the Suunto RGBM algorithm for safer diving computer calculations. Understand decompression models, surface intervals, and adaptive bubble monitoring for various diving conditions.