Tusa IMPREX II IQ-400 Instruction Manual Download Page 1

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Owner’s Instruction Manual

01-1

Summary of Contents for IMPREX II IQ-400

Page 1: ...Owner s Instruction Manual 01 1...

Page 2: ...ion Time Ceiling Depth Total Ascent Time Common Contact Temperature Dive Counter Maximum Depth During Diving Day of the Month Multifunctional Bar graph Mode Indicator Battery Power Indicator Reverse N...

Page 3: ...999 dive time hours maximum depth ever recorded Visual alarms Color coded graphics Phosphorescent LCD display Easily replaceable protective shield Wrist and console models DEFINITION OF WARNINGS CAUTI...

Page 4: ...and accept that there is no proce dure or dive computer that will totally prevent the possibility of a decompression accident For example the individual physio logical make up can vary within an indi...

Page 5: ...t the IQ 400 be not used for commercial or other severe diving activity WARNING PERFORM PRECHECKS Always check the IQ 400 before diving in order to ensure that all LCD segments are completely displaye...

Page 6: ...ESSION TIME BAR GRAPH 17 3 3 3 ASCENT RATE INDICATOR 18 3 3 4 VISUAL ALARMS 19 3 3 5 DECOMPRESSION DIVES 20 3 4 AT SURFACE 23 3 4 1 SURFACE INTERVAL 23 3 4 2 FLYING AFTER DIVING 24 3 5 PERSONAL ADJUST...

Page 7: ...l data The instrument can be adjusted for diving at different altitudes or to add an extra level of conserva tiveness if desired The screen is protected against scratches and damage by a replaceable s...

Page 8: ...account dives made without the computer Thus any diving activity 48 hours prior to initial use of the computer may give misleading information and must be avoided Personal High Altitude Adjustment Mor...

Page 9: ...ative whenever it is believed that factors which tend to increase the possibility of decompression sickness exist see Section 3 5 Failure to properly select the personal altitude adjustment mode corre...

Page 10: ...g 1 1 Sawtooth Profiles where the diver alternates between greater and shal lower depths repeatedly throughout the dive Reverse Profiles where the diver spends most of the dive at shallow depths and t...

Page 11: ...nditions and predive activities especially those which tend to increase dehydration may increase the risk of decompression sickness As a safety precaution TUSA recommends that divers using the IQ 400...

Page 12: ...ed that any dive carries some risk of decompression sickness and neither the authors nor TUSA will assume any responsibility or liability for accidents or injuries which might occur for any reason 2 G...

Page 13: ...HE IQ 400 This section contains instructions on how to oper ate the IQ 400 and interpret its displays Each dis play has been carefully designed to provide impor tant information you will need to plan...

Page 14: ...personal and or altitude adjustment can be set Time Setting at Set the time and date can be adjusted Return you can at any time exit the above modes by touching all three contacts at the same time Fi...

Page 15: ...vation it will automatically switch off to the time display in 10 minutes to conserve the battery power The IQ 400 does not need to be reactivated for repetitive dives It will remain active until it h...

Page 16: ...resent depth is 0 0m 0ft The personal altitude adjustment mode is A1 The depth display will alternate between present and maxi mum depth The Low Battery Warning battery symbol indicates that the batte...

Page 17: ...m 150 ft in 3 m 10 ft increments Fig 3 5 It takes about 45 seconds to run through the complete cycle after which the IQ 400 will 15 Battery Voltage Display After Activation Operation Figure over 3 0V...

Page 18: ...an be retrieved any time on the surface mode by touch ing the MODE and MODE PLAN contacts for about two seconds The current time and date will be shown for four seconds Fig 3 7 When diving the dive en...

Page 19: ...ppears As your body absorbs more nitrogen more segments start to appear Green Zone a As a safety precaution TUSA recommends that divers using the IQ 400 should maintain the no decompression bar graph...

Page 20: ...ing appears you should immediately slow down or stop your ascent until the warning disappears You must not ascend shallower than 3 m 10 ft with the SLOW warning on If you reach this depth with SLOW on...

Page 21: ...ceiling The IQ 400 will otherwise enter a permanent error mode in three minutes indicated by a non blinking Er the ceiling descends to 10 m 30 ft A blinking error warning Er appears You should immedia...

Page 22: ...hin a range of depths Background When your NO DEC TIME becomes zero your dive becomes a decompression dive i e you must perform one or several decompression stops on your way to the surface The NO DEC...

Page 23: ...ession Dive Below the Ceiling Zone The minimum ascent time is 4 minutes The upward pointing arrow tells you to ascend the ceiling is at 3m 10 ft MAX DIVE TIME CEILING ASC A1 A m S C S P E E D HIS LOG...

Page 24: ...e surface In this case it will be more manageable to maintain an addi tional distance below to the ceiling to make sure that the waves do not lift you above the ceiling TUSA recommends that decompress...

Page 25: ...ndicated by a blinking airplane Fig 3 17 e Display II Fig 3 18 The present depth in meters ft Fig 3 18 a The desaturation no flying time in hours an 23 Figure 3 16 Displays After Violated Decompressio...

Page 26: ...ing The no flying time is shown in the center window next to the non blinking airplane image The blink ing airplane is a reminder when the alternative dis play showing surface time is on Figures 3 17...

Page 27: ...tiple dives for several days or make dives that require decompression stops should take special precautions and wait for an extended interval beyond 12 hours before flight TUSA recommends that flying...

Page 28: ...ty of decompression sickness include but are not limited to cold exposure water temperature less than 20 C 68 F the diver is below average physical fitness level multiday or repetitive dive exposure d...

Page 29: ...hed no further diving or flying should take place for a minimum of two days Omitted Decompression The most common ERROR MODE results from omitted decompression when the diver stays above the ceiling f...

Page 30: ...nd the date and time setting The menu based functions are activated using the water contacts Keep your fingers on the MODE and MODE PLAN contacts while the IQ 400 scrolls through the menu Fig 4 1 The...

Page 31: ...ached during the dive b SLOW if the diver has surfaced with this warning on downward pointing arrow if the ceiling was violated Er in the center window if the ceiling was violated permanently over 3 m...

Page 32: ...replacement has been done according to the instructions In the dive planning mode the dives are numbered according subsequent repetitive dives within a dive series whereas in the logbook the dives are...

Page 33: ...simmediatelywhenAlt appearsonthedisplay Withinacoupleof secondsthepre sentpersonal altitudeadjustmentsettingisshown Fig 4 7 31 Figure 4 5 Violation Displays in the Logbook Display I Display I shows SL...

Page 34: ...400 will return to the surface mode 4 4 Setting Time and Date The current date and time is read by connecting the MODE and MODE PLAN contacts for about two second as described in Section 3 2 3 Calend...

Page 35: ...is blinking Fig 4 14 Repeat step 2 to change this value Fig 4 15 4 Repeat steps 2 and 3 to change any additional values 5 Exit the Time Setting mode with the RETURN command i e by connecting all thre...

Page 36: ...e scuba cylinders nor chemicals like acetone and alcohols ethanol isopropanol 34 NOTE The clock is on time is elapsing when setting it and exiting the Time Setting mode It is not possible to reset the...

Page 37: ...moisture will be trapped next to the contacts and will not allow your IQ 400 to operate properly The water contacts can be cleaned with a soft pencil eraser IMPORTANT The IQ 400 should be soaked then...

Page 38: ...butor 6 TECHNICAL DESCRIPTION 6 1 Operating Principles The TUSA IQ 400 is a multi functional sport diving instrument which pro vides information on depths times and decompression requirements Its elec...

Page 39: ...rst Dive of a Series Personal high altitude adjustment mode Depth ft A0 A1 A2 U S Navy 30 149 102 40 120 86 65 200 50 69 56 41 100 60 51 38 29 60 70 36 29 23 50 80 28 23 19 40 90 22 18 15 30 100 17 14...

Page 40: ...a different rate The compartments that absorb and release nitrogen rapidly are believed to have a high tolerance for excess nitrogen whereas compartments that absorb and release nitrogen more slowly...

Page 41: ...duced Surface Intervals The IQ 400 requires a minimum surface interval of 10 minutes between dives If a surface interval is shorter than 10 minutes the IQ 400 dive counter and dive timer treat the nex...

Page 42: ...ion day and month Other Displays Dive time 0 to 199 min 999 dive hours in the history memory Surface time 0 to 39 h 59 min Dive counter 0 to 255 dives 999 dives in the history memory No decompression...

Page 43: ...r any other warranty appears to be necessary return the product freight prepaid to your TUSA Dealer or qualified repair facility Include your name and address proof of purchase and or service registra...

Page 44: ...arranty or to make any additional warranty This Instruction Manual should be kept with your IQ 400 8 GLOSSARY Altitude dive A dive made at an elevation above 700 m 2300 ft above sea level Ascent rate...

Page 45: ...ncludes time spent at vari ous depths and whose no decompression limits are not determined solely by the maximum depth attained No decompression The maximum amount of time a diver may remain at a time...

Page 46: ...____________________________________________________ Address ________________________________________________________ City ___________________________________________________________ State ZIP _______...

Page 47: ...UROPE CORPORATION B V NIEUW POORTSRAAT 84 A 1055 RZ AMSTERDAM HOLLAND TEL 20 681 5955 FAX 20 682 4527 TABATA DEUTSCHLAND GMBH Balser Strabe 1579639 Grenzach Wyhlen F R GERMANY TEL 07621 669466 FAX 076...

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Tusa IMPREX II IQ-400, Instruction Manual

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