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Tusa IQ-850 DC-Sapience, Operating Manual

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Tusa IQ-850 DC-Sapience Operating Manual Download Page 47

TABATA U.S.A. INC.

2380 Mira Mar Ave., Long Beach, CA 90815, U.S.A.

TEL 562-498-3708 / FAX 562-498-1390 (Country Code=1)

http://www.tusa.com/

TABATA AUSTRALIA PTY. L.T.D.

4D James Ruse Business Park, 6 Boundary Road, Northmead, NSW 2152

TEL (0)2-9890-4555 / FAX (0)2-9890-5222 (Country Code=61)

http://www.tabata.com.au/

TABATA EUROPE CORPORATION[T.E.C.]B.V.

Den Brielstraat 2 B, 1055 RV, Amsterdam, The Netherlands

TEL 31-(0)20 58 11 280 / FAX 31-(0)20 58 11 285 (Country Code=31)

http://www.tusa.nl/

TABATA CO., LTD. JAPAN

1-3-17 Higashikomagata, Sumida-ku, Tokyo, Japan 130-0005

TEL (0)3-3624-2816 / FAX (0)3-3623-9902 (Country Code=81)

http://www.tusa.net/

TABATA MFG. [TAIWAN] CO., LTD.

54-8 Hsutsogang, Nankang Vil., Tayuan Hsiang, Tao Yuan Hsien, Taiwan R.O.C.

TEL (0)3-386-5100 / FAX (0)3-386-5103 (Country Code=886)

12/2009

Summary of Contents for IQ-850 DC-Sapience

Page 1: ...II OPERATING MANUAL DIVE COMPUTER IQ 850 ...

Page 2: ...Time Mode 12 6 Dive Set Mode 14 7 Dive Plan Mode 16 8 Log Profile Mode Warnings 18 9 History Mode 23 10 PC Transfer Mode 24 11 Time Set Mode 25 12 Dive Mode 26 13 Warning Screens 31 14 Altitude Setting 36 15 Battery Level Icon 38 16 Battery Replacement 38 17 Units of Measurement 39 18 General Handling 39 19 Warranty 40 22 Technical Specifications 44 ...

Page 3: ...2 IQ 850 Flow Chart ...

Page 4: ...3 IQ 850 Flow Chart cont ...

Page 5: ...4 IQ 850 Flow Chart cont ...

Page 6: ...5 IQ 850 Flow Chart cont ...

Page 7: ...6 IQ 850 Flow Chart cont ...

Page 8: ...7 IQ 850 Flow Chart cont ...

Page 9: ...e and Time Operating modes Dot matrix tissue compartment message display window Vibration audible and visual alarms 2 mix switching feature Mix 1 Air 21 99 Mix 2 21 99 25 hour dive log memory PC downloadable Advanced user safety settings and alarms Manual or Water activation Large alphanumeric and backlit display User replaceable battery Battery CR2032 3 Common Sense Warnings As is true of every p...

Page 10: ...2 to 99 percent Although the IQ 850 is capable of calculating decompression stop requirements this ability is provided as a safety feature only should a diver accidentally exceed the No Decompression Limits NDLs Dives requiring mandatory stage decompression carry substantially greater risk than dives made well within no decompression limits Decompression diving is widely believed to entail substan...

Page 11: ...a mathematical formula designed to emulate how individuals in good general health and whose physical characteristics do not place them among those at higher risk of decompression illness are assumed to absorb and release nitrogen from body tissues Thus the IQ 850 cannot compensate for factors such as age obesity dehydration cold or exertion which experts believe place divers at greater risk of DCI...

Page 12: ... the result you wish This manual will outline which procedure to follow for each mode or task Throughout this manual display icons that blink are shown surrounded by gray bars Experts recommend divers wait at least 24 hours following any dive before flying in an aircraft or driving to altitude Failure to allow sufficient surface interval before doing so may substantially increase the risk of Decom...

Page 13: ...his indicates the level of Oxygen in the diver s body with eight level indicators Nitrox Icon This Icon is ON when NITROX has been selected Desaturation time DESAT This indicates the time remaining until the body s internal nitrogen is desaturated The DESAT is also displayed if PGT occurs because of a change in the altitude rank Time mode is the IQ 850 s default mode In this mode the screen displa...

Page 14: ...ile the desaturation time is calculated this icon is displayed during Time Mode When the computer has finished calculating desaturation time this Icon is turned off Prior to a dive The letters correspond to the buttons of the IQ 850 shown in Figure 1 A button Press this button to scroll to next mode A button held for 2 3 seconds Reverts to time mode B button held down Time display and backlight co...

Page 15: ...he oxygen concentration that is currently selected If the FO2 is set at 21 Air is displayed if 22 99 Nitrox is displayed PO2 Maximum depth This displays the PO2 maximum depth when PO2 1 4 appropriate for the displayed FO2 SF Safety Factor This displays the SF value set by the diver The larger the value the greater the safety level SF 0 1 or 2 Alarm operations The graph will display VIBE or SOUND N...

Page 16: ...ue will scroll rapidly in one percent increments The selected alarm will sound vibrate for 1 second when changing the warning setting The alarm test will not be performed if the battery is low The computer will enter time mode once the E button is released If no buttons are pushed for 2 to 3 minutes the computer will return to TIME mode E Touch this button and the metal housing to switch to dive m...

Page 17: ...e currently elapsed since surfacing and the total surface time needed to return to the selected depth Depth This displays the desired depth NDL The no decompression limit for the selected depth based on surface time is displayed The maximum NDL that can be displayed is 200 minutes If the selected depth will result in a PO2 greater than 1 4 the display will show bar N2 This will display the PGT pre...

Page 18: ...tton to increase and select a desired depth setting If the button is held in the value will scroll rapidly C Press this button to decrease and select a desired depth setting If this button is held in the value will scroll rapidly Ε When water is detected the computer moves to dive mode Auto return The display automatically returns to time mode when no buttons are used for 2 3 minutes NDL no decomp...

Page 19: ...time is the time at the start of the dive Dive end time is the time at the end of the dive Both Dive start time and Dive end time are displayed in 24 hour format PGT graph This displays the level of Nitrogen in each of the 12 tissue compartments at the end of the dive OLI Oxygen Limited Indicator graph This represents the level of the Oxygen Limit with eight level indicators at the end of the dive...

Page 20: ...t 99m the display is Ascent rate indicator This is the maximum ascent rate recorded during a dive Sea Fresh icon This indicates the water setting sea water fresh water Display 1 Dive number Log number Dive date Display 2 Ascent rate indicator No data Display Safety Factor Water Temp Maximum depth Fraction of oxygen Dive end Dive start Average depth Dive time Figure 7 Figure 8 Figure 9 PGT Tissue G...

Page 21: ...tion If a deco stop is violated the warning is stored in memory and the DECO icon blinks when the log is displayed Fig 11 Warning Displays These are warnings that can occur during a dive For further description of these warnings see the dive mode section Alarm Displays Ιf the following warnings occur during dive mode they are stored in memory and displayed SLOW icon blinks Figure 10 Figure 11 ...

Page 22: ...g mode Fig 13 OLI Bar Icon Blinks Decompression dive warning If the dive enters decompression then the warning is stored and displayed during log mode Fig 14 Deco Icon PO2 Icon Blinks PO2 warning The PO2 icon blinks if the warning was active during the dive Fig 12 Figure 12 Figure 13 Figure 14 ...

Page 23: ...tton to change the log number 1 3 1 2 1 1 2 3 2 2 2 1 25 3 25 2 25 1 C Press and hold this button to decrease log number using fast scrolling Ε When water is detected the mode moves to dive mode Auto return The display automatically returns to time mode when no buttons are used for 2 3 minutes Out of Measurement Range warning If the computer entered out of range during the dive then the event is r...

Page 24: ...ton four times until the display reads HISTORY To clear the dive history press and hold the B C buttons for 5 to 6 seconds Then select Max Time or and press C button for 3 seconds to clear the respective field A confirmation will occur once the history is reset Maximum Water Depth Total Number of Dives Total Dive Time hrs Total Dive Time min History Mode No Data Bars are shown and blink Figure 16 ...

Page 25: ...This displays the current battery voltage Mode display This shows PC transfer mode Operation of buttons Α Press this button to move to time set mode Β No function C No function Ε No function Τhe transfer mode remains active for 14 15 minutes and then moves to time mode Α Press and hold this button for 1 2 seconds to move to time mode The computer switches to time mode when the transmission ends Pl...

Page 26: ...ton to select mode Β Press this button to select the value to change C Press this button to change the value C Press and hold this button to change setting the value using fast scrolling Ε When water is detected the mode moves to dive mode Auto return The display automatically returns to Time mode when no buttons are used for 2 to 3 minutes A Press and hold this button for 1 2 seconds to move to T...

Page 27: ...cribed below Non decompression mode This is for a non decompression NDL dive Fig 22 Decompression mode This is used for dives that last longer than the NDL s The DECO icon warning will continue until the advised depths are reached If you ignore the DECO warning and go straight to the surface for longer than 10 minutes the display will freeze and all calculations will stop The IQ 850 will switch au...

Page 28: ... and NDL appears in its place once the timer reaches zero The timer stops temporarily if the depth becomes equal to or more than 26 5 feet 8 1m during which time the counter stops temporarily and the NDL display appears again The timer is reset if the depth becomes equal to or more than 33 feet 10 m Fig 24 If the diver doesn t follow the safety stop information the IQ 8 0 doesn t impose any penalt...

Page 29: ...isplay blinks Figure 25 Display description during Dive mode N 1R HFRPSUHVVLRQ LPLW This is the diving time possible for a non decompression dive at current depth XUUHQW GHSWK This indicates the current water depth The water depth is measured every 1 second Dive time This is the current dive time It will end at a depth of 5ft or less The maximum dive time displayed is 599 minutes Pressure of Oxyge...

Page 30: ...alculated according to the dive conditions and then displayed 10 320 ft 3 99m Decompression stop time DECO STOP TIME This is the amount of time to be spent at a decompression stop depth A countdown timer is shown during decompression Total ascent time TOTAL This indicates the total amount of time required for ascent from the current depth to the surface assuming that all decompression stops are ma...

Page 31: ...tting FO2 value and the back light is on from 4 5 seconds C Back light is on from 4 5 seconds Once the diver is less than a depth of 5 ft and after 10 minutes the IQ 850 moves to Decompression stop violation lock if a violation occurred during the dive The computer can t be used for 48 hours The mode will be automatically switched to time mode after 48 hours have elapsed Decompression dive warning...

Page 32: ...the log The ascent rate bar graph will show up to 10 indicators Fig 26 The following warning screens may appear during a dive If a warning appears the diver should take immediate action to correct the warning NDL warning If the NDL decreases to less than 3 minutes the diver is alerted by the NDL icon and the NDL time blinking for 6 seconds The sound or warning vibration will operate for three seco...

Page 33: ...on stop violation warning The DECO information and the DECO icon will blink continuously The warning will operate twice for three seconds PO2 warning The PO2 warning has two levels Fig 29 a PO2 equals 1 4 or 1 5 The current depth PO2 icon PO2 value and PO2 indicator blinks for 15 seconds b PO2 equals 1 6 or more The current depth PO2 icon PO2 indicator and OLI bar graph 8 indictors blinks continuo...

Page 34: ...recorded in the dive log The warning sound or vibration will operate twice for three seconds each time the warning is active OLI warning Decompression dive warning If the NDL is 0 and a decompression dive is entered the diver is alerted with a warning followed by the decompression information display Once the dive becomes a deco dive the PGT bar graph DECO icon and DECO indicator blink for 15 seco...

Page 35: ... this warning mode all of the display segments will blink as shown below The sound or vibrating alarm will operate twice for three seconds The warning is recorded in the log Fig 32 WARNING An IQ 850 displaying an Out of Range warning is incapable of displaying other critical information such as depth time ascent rate PO2 OLI and deco stop violations and required decompression stops You should not ...

Page 36: ...alerted to the start of the safety stop by a blinking stop icon and SAFE indicator If the safety stop has started and the depth becomes less than 5 feet 1 4m the remaining stop time will also blink for a perriod of 10 minutes The warning is not recorded in the log Fig 33 Figure 33 ...

Page 37: ...s to a lower level under 19680 feet 6000 meters The calculations of PGT OLI and desaturation time are stopped when altitude is over 19680 feet 6000 meters and Err is displayed however surface time continues to be counted When the altitude is less than 19680 feet 6000 meters the display shown before reaching that altitude is displayed again The same displays and processing occur if the altitude can...

Page 38: ...re bars a change in the altitude rank may cause the next level indicator to appear To prevent this never use the dive computer when going to high altitude locations since it will disable dive mode as a safety precaution Normal function of the dive computer will be restored when PGT graph drops to 8 bars or less A difference of one minute may occur between when the PGT graph is turned off and when ...

Page 39: ...ttery compartment cover O ring with a thin film of silicone grease before replacing it Screw the cover back in place in the direction indicated on the cover Do not overtighten Please note that the warranty does not cover damage to the computer due to improper battery replacement 15 Battery Level Icon Battery level readings are performed in all modes with the exception of dive mode and PC transfer ...

Page 40: ...ty If the IQ 850 does not appear to be functioning properly in any manner do not use it to dive Return it to your authorized TUSA dealer for repair Rinse the IQ 850 thoroughly in fresh water following every dive Do not use cleansers chemicals or solvents to clean the IQ 850 Use a soft cloth to gently wipe dirt or water stains from the screen Store the IQ 850 in a clean dry location After diving wi...

Page 41: ...ipt as proof of purchase This limited warranty applies only to the original purchaser and is not transferable TUSA makes no warranty or representation regarding the performance of any products used in conjunction with TUSA s products This Limited warranty applies only to dive computers sold through authorized TUSA Scuba dealers This limited warranty shall be void if the computer has been misused a...

Page 42: ...e computer warranties expressed or implied to the two year term as set forth above All remedies are waived unless claim is made within the applicable twenty four 24 month period Your remedies are limited to those contained therein and are in lieu of all other remedies whether based on breach of warranty or contract negligence strict product liability or other tort TUSA specifically disclaims liabi...

Page 43: ...o out of measurement range 1 Depth exceeds 330 ft 99 9m 2 Dive time exceeds 599 minutes 3 Deco stop depth exceeds 99ft 30m 4 Deco stop time exceeds 99 minutes 5 Total ascent time exceeds 99 minutes OLI warning 1 OLI increases to 7 2 OLI is 8 PO2 warning 1 PO2 increases to 1 4 2 PO2 is 1 6 NDL warning When NDL is less than 3 minutes Alarm sounds for 3 seconds Vibration is active for 3 seconds Safet...

Page 44: ...the E button is no longer active 21 Air default function The FO2 setting will return to AIR after 12 to 13 hours unless the computer is in a dive or a lock mode Once in a lock condition the computer will remain that way for 48 hours After the lock condition has passed the FO2 is set to AIR If a dive is recorded in the log with a time of 3 minutes or more the FO2 will return to AIR after 10 minutes...

Page 45: ... 10 minutes It excludes dive mode time set mode PC transfer mode Temperature 23 104 F 5 40 Measurement interval 1 minute during dive mode 3 Operating temperature Operating temperature 23 104 F 5 40 At cold temperature the display will be somewhat dim 4 NITROX setting FO2 21 99 setting step 1 5 aterproof range The waterproof range to 328ft 99 9m 6 Battery life Battery life about 1 5 years uses one ...

Page 46: ...45 Date Purchased IQ 850 Serial Number Dealer City State Zip Code Address Owners Information ...

Page 47: ... tabata com au TABATA EUROPE CORPORATION T E C B V Den Brielstraat 2 B 1055 RV Amsterdam The Netherlands TEL 31 0 20 58 11 280 FAX 31 0 20 58 11 285 Country Code 31 http www tusa nl TABATA CO LTD JAPAN 1 3 17 Higashikomagata Sumida ku Tokyo Japan 130 0005 TEL 0 3 3624 2816 FAX 0 3 3623 9902 Country Code 81 http www tusa net TABATA MFG TAIWAN CO LTD 54 8 Hsutsogang Nankang Vil Tayuan Hsiang Tao Yua...

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