IST GP-4000 Manual

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[Page 1] IST GP-4000

WWW.ISTSPORTS.COM DIVE COMPUTER GP-4000 COMPASS + ...

[Page 2] IST GP-4000

2 GP-4000 COMPASS + www.istsports.com - CONTENT - I. GENERAL OVERVIEW ...... 3 I. 1. HARDWARE SPECIFICATIONS & MEASURABLE RANGE ...... 4 II. MODES AND FUNCTIONS ...... 5 II. 1. GENERAL INFORMATION ...... 5 ...

[Page 3] IST GP-4000

3 IST PROLINE www.istsports.com Congratulations on choosing IST COMPASS+ dive computer. This important diving equipment has been designed, manufactured and tested to the highest standard to ensure its safety and proper operation in all normal recre...

[Page 4] IST GP-4000

4 GP-4000 COMPASS + www.istsports.com COMPASS+ is strictly meant for recreational diving use; do not use it for any other underwater activities However, individuals who do not understand or have not taken proper training in NITORX divin...

[Page 5] IST GP-4000

5 IST PROLINE www.istsports.com II. MODES AND FUNCTIONS II. 1. GENERAL INFORMATION COMPASS+ is a mobile dive computer intended for scuba diving. It collects and records depth change, altitude at the point of entry, dive time and water temper...

[Page 6] IST GP-4000

6 GP-4000 COMPASS + www.istsports.com II. 1. 2. OVERALL OPERATION FLOW CHART AM DIVE N2 O2 TEMP 25.8 C AM DIVE N 2 O2 USERTEXT AM DIVE N 2 O2 TEMP 25.8 C DESAT SURF.T DIVE N 2 O2 O A N DIVE N 2 O 2 ROTATE SLO W LY O2 PLAN N2 DIVE m NDL min DECO PO ...

[Page 7] IST GP-4000

7 IST PROLINE www.istsports.com Note: when the unit does not detect any input, it will automatically enter battery saving mode (no information displayed). DIVE m N2 O 2 NO HISTORY N 2 O2 N2 O2 LINKED N2 O 2 TIMESET AM DIVE N2 O2 TIME FORMAT DIVE N2 ...

[Page 8] IST GP-4000

8 GP-4000 COMPASS + www.istsports.com II. 1. 3. BUTTONS OF OPERATION Button A B C Water sensor Set button Moves to the next mode To change to the next variable Main function 1) Once activated, the dive computer automatically enters DIVE mode ...

[Page 9] IST GP-4000

9 IST PROLINE www.istsports.com This is the first mode displayed when the unit first comes on (when any button is pushed). Here are examples of what the screen would look like in different situations: II. 2. 1. TIME MODE AM DIVE N2 O 2 TEMP 25.8 C ...

[Page 10] IST GP-4000

10 GP-4000 COMPASS + www.istsports.com Altitude icon No icon 1500m - 2600m (4920ft - 8528ft) 600m - 1800m (1968ft - 5904ft) 0m - 900m (0ft - 2952ft) Range representation 2300m - 6000m (7544ft - 19680ft) Error (icon blinks) + 6000m (+ 19680ft) Icon ...

[Page 11] IST GP-4000

11 IST PROLINE www.istsports.com --- NOTE --- Even when there is no PGT (=pressure gas in tissue) level indicated, a change in altitude will cause PGT graph to be displayed and desaturation time counted. When the PGT graph is high (on 7 or 8 levels)...

[Page 12] IST GP-4000

12 GP-4000 COMPASS + www.istsports.com [ Hold A button for 2 seconds to mark (or to cancel) ] DIVE N2 O2 O A N 1) Initial heading marked (1) Before using the compass for its very first dive, please reset the azimuth delineation as your...

[Page 13] IST GP-4000

13 IST PROLINE www.istsports.com In this mode, you are able to define the following variables after selecting which mode (DIVE or GAGE) to use once the water sensor is activated in dive condition: II. 2. 3. DIVE SET MODE 1) PO 2 setting (from 1.0 -...

[Page 14] IST GP-4000

14 GP-4000 COMPASS + www.istsports.com (1) (2) 1) Max. depth setting (2m - 99m / 6ft - 325ft) 2) Max depth alarm (on / off) N2 O2 DEPTH A L A R M DIVE m N2 O2 DIVETIME A L A R M DIVE min DIVE.T 1) Max. dive time setting (1 - 599 minutes)...

[Page 15] IST GP-4000

15 IST PROLINE www.istsports.com N2 O2 WATER IS SEA DIVE 1) SEA / FRESH water setting (1) O2 PROFILE TIME DIVE N2 1) Profile Time (dive data collectd can be recorded at the end of every 10th or 30th second. (1) 1) User Safety Factor - level...

[Page 16] IST GP-4000

16 GP-4000 COMPASS + www.istsports.com --- NOTE --- The Dive Set mode can not be accessed if the unit: 1) is within 10 minutes of a just-completed dive (either in DIVE or GAGE mode), or 2) is locked in decompression stop violation, or ...

[Page 17] IST GP-4000

17 IST PROLINE www.istsports.com Use this mode to set the actual planned diving depth so COMPASS+ can work out the most appropriate No Decompression time Limit (NDL). The range is from 9m (30ft) - 48m (160ft) in 3m (10ft) increment. II. 2. 4. DIVE ...

[Page 18] IST GP-4000

18 GP-4000 COMPASS + www.istsports.com In this mode, the data of completed dives are displayed (a dive is when a diver is submerged underwater for more than 3 minutes to a depth greater than 1.2m (4ft). COMPASS + can hold up to 60 dive records (...

[Page 19] IST GP-4000

19 IST PROLINE www.istsports.com [ Dive Log mode display (DIVE mode) - 3rd page ] 1) Maximum depth 2) Lowest temperature measured 3) Average depth 4) Log page icon (3rd page) (3) (1) (2) (4) DECO PO 2 SLOW DIVE N2 O 2 P. 3 MAX m m AVE C [ Dive Log...

[Page 20] IST GP-4000

20 GP-4000 COMPASS + www.istsports.com [ Dive Log mode display (GAGE mode) - 3rd page ] DECO PO 2 SLOW N2 O2 P. 3 MAX m m AVE GAGE C [ Dive Log mode display - when no dive data ] N2 O2 DIVE [ Dive Log mode display - warnings recorded ] 1) SLOW ic...

[Page 21] IST GP-4000

21 IST PROLINE www.istsports.com (1) Buttons of operation Button A - Move to log screen 1 or a more recent log No. - Fast-track to the most recent log (hold C) - No function: If there is no dive data Move to Dive Profile mode - Move to log screen 1 o...

[Page 22] IST GP-4000

22 GP-4000 COMPASS + www.istsports.com N2 O2 DIVE N2 O2 GAGE [ Dive Profile mode display - no data (DIVE & GAGE mode) ] Buttons of operation Button A Move towards the most recent log Move to History mode Move towards the earliet logs Function i...

[Page 23] IST GP-4000

23 IST PROLINE www.istsports.com m N2 O 2 NO HISTORY GAGE DIVE m N2 O 2 NO HISTORY [ History mode display - no data (DIVE & GAGE mode) ] N2 O2 NO HISTORY GAGE m 1) Total dive time recorded in GAGE mode 2) Total no. of dives recorded in GAGE mode...

[Page 24] IST GP-4000

24 GP-4000 COMPASS + www.istsports.com In this mode, information can be downloaded or uploaded from a PC by using PCI-3000 downloader (available separately). The operating software can be found on IST web site (www.istsports.com) One ...

[Page 25] IST GP-4000

25 IST PROLINE www.istsports.com The Time Set mode allows you to set the time and date and has a 12h / 24h clock option. Please note this mode can not be accessed until 10 minutes after the completion of a dive. II. 2. 9. TIME SET MODE N2 O 2 TIMES...

[Page 26] IST GP-4000

26 GP-4000 COMPASS + www.istsports.com When COMPASS+ is submerged underwater (at depth greater than 1.2m / 4ft) , the water sensor will automatically take the computer into either DIVE or GAGE mode, depending on which is set prior to the dive. Th...

[Page 27] IST GP-4000

27 IST PROLINE www.istsports.com [ DIVE mode - push C button [ GAGE mode - push B button to go to the compass screen ] to go to the compass screen ] SAFE DIVE N2 O2 AM NITROX % FO2FO2 SAFE DIVE m min N2 O2 NIT...

[Page 28] IST GP-4000

28 GP-4000 COMPASS + www.istsports.com [ DIVE mode - Mix change ] SAFE DIVE m min N2 O2 NITROX NDL DIVE.T P.O 2 1 32 % The computer can store up to 3 different Nitrox settings and can be switched from 1 mix to another mid dive, providing th...

[Page 29] IST GP-4000

29 IST PROLINE www.istsports.com This mode is used for dives that last longer than the NDL prescribed limit. Until the advised depth is reached, warning will continue. If this setting is ignored and you return to the surface, then 10 minutes after ...

[Page 30] IST GP-4000

30 GP-4000 COMPASS + www.istsports.com [ DIVE mode - Out of measureable range ] When a measurement is out of range, the exceeded parameter becomes '---' on the display and all display blink. Situation 1: When the depth exceeds 99.9m (...

[Page 31] IST GP-4000

31 IST PROLINE www.istsports.com [ DIVE mode - Warning - Ascent rate ] Whenever the ascent rate is too fast for a particular depth, COMPASS + will give out an audible alarm and its display will flash. If the surfacing speed is not reduced to withi...

[Page 32] IST GP-4000

32 GP-4000 COMPASS + www.istsports.com [ DIVE mode - Warning - Decompression dive ] When the NDL is exceeded, COMPASS + automatically changes the mode to decompression dive mode. Warning will be generated and this information is recorded in th...

[Page 33] IST GP-4000

33 IST PROLINE www.istsports.com [ DIVE mode - Warning - OLI alarm ] When the OLI graph reaches the 7th or the maximum 8th level, the following will occur: a. Graph level = 7: Display flashes and the alarm will sound but this information is not re...

[Page 34] IST GP-4000

34 GP-4000 COMPASS + www.istsports.com [ DIVE mode - Warning - FO 2 not set ] When the FO2 is not set (i.e. default value is used), an alarm will sound when dive mode starts and display blinks until FO2 is set. N 2 O2 WATER SET F02! AM DIVE NITRO...

[Page 35] IST GP-4000

35 IST PROLINE www.istsports.com Before using this product, read the manual and be sure you understand the content thoroughly. Do not store or leave this product in a hot or humid place. Doing so could damage its performance. The pressure sensor ...

[Page 36] IST GP-4000

36 GP-4000 COMPASS + www.istsports.com You should dive so that you have plenty of margins to stay within no- decompression diving limit. Always make a safety stop at three to six meters if you dived to 10 meters or deeper. We also rec...

[Page 37] IST GP-4000

37 IST PROLINE www.istsports.com V. Trouble shooting The following list will help you make the proper diagnosis when you believe the product is working abnormally. Consult with your authorised IST dealer if any problems occur that are not on thi...

[Page 38] IST GP-4000

38 GP-4000 COMPASS + www.istsports.com Problem Computer will not go into Dive mode. - This occurs when the water sensor remains wet after a dive. Wipe the unit dry and try again. - In other situations, this may indicate damage. Return it to your...

[Page 39] IST GP-4000

39 IST PROLINE www.istsports.com VI. WARRANTY Warranty is given to the ORIGINAL PURCAHSER and the product will remain free from defects in material and workmanship for the period of 12 months from the date of purchase. Expendable items such as ba...

[Page 40] IST GP-4000

IST Sports Corp. Room A, 6th Floor, No. 6, 345 Lane, Yangkuang Street, Neihu, Taipei, Taiwan Tel: +886 2 26272516 Fax: +886 2 26599056 www.istsports.com Ver. 11 / 98 ...