IST GP-4000 Manual 

29, 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 surfacing, the display will freeze and all calcu…

31, 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 within an acceptable level, the unit will continue sou…

22, 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 in Profile mode B C Move to Time mode (…

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 2 SLOW PM DIVE N2 O2 NO P. LOG FO2 DECO PO 2 …

2, 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 II. 1. 2. OVERALL OPERATION FLOW CHA…

30, 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 (328ft). Situation 2: When dive tim…