Aqualung i200C setup guide
Also covers: Aqua Lung i200C, i200C
Four-button watch-style computer (UP, DOWN, SELECT, LIGHT) with Watch, Dive (Air/Nitrox, 2 gases), Gauge and Free modes and Bluetooth. It sits in Watch mode; hold UP or DOWN to switch to the dive computer. Altitude is automatic; user-replaceable CR2430 battery.
Buttons
| Button | Where | What it does |
|---|---|---|
| UP (▲) | left side, upper | Move up / increase or toggle a value / ALT screens; hold: switch Watch ↔ dive mode, fast scroll |
| DOWN (▼) | left side, lower | Move down / decrease or toggle a value / open the menu; hold: switch Watch ↔ dive mode, exit to Main |
| SELECT | right side, upper | Select / save a setting, open a menu, silence an alarm; hold: step back or exit a menu |
| LIGHT | right side, lower | Backlight |
Turn on / wake
A new unit from the factory is in Deep Sleep. Hold SELECT and DOWN together for 3 seconds until the Watch screen appears, then let go.
Hold togetherSELECTHold togetherDOWN (▼)
Manual p. 8Normally the Watch time screen is shown. To use the dive computer, hold UP or DOWN on the Watch screen to switch to the dive mode.
HoldUP (▲)HoldDOWN (▼)
Manual p. 14In the dive mode, press DOWN to open the menu (PLAN, LOG, SET MENU, DC INFO, DONE). Use UP or DOWN to move and SELECT to open.
PressDOWN (▼)PressUP (▲)PressSELECT
Manual p. 26To step back or leave a menu, hold SELECT. Hold DOWN to go straight back to the Main screen.
HoldSELECTHoldDOWN (▼)
Manual p. 11With no button press for 10 minutes on the surface, it goes into Standby to save power. Press a button to wake it.
Manual p. 8
Date and time
The clock and date are set in Watch mode, not in the dive menu (p. 17).
On the Watch screen, press DOWN to open the Watch menu. Press DOWN until SET TIME appears, then press SELECT.
PressDOWN (▼)PressSELECT
Manual p. 14Date format: press UP or DOWN to choose M-D or D-M, then SELECT. Hour format: choose 12 or 24, then SELECT.
PressUP (▲)PressDOWN (▼)PressSELECT
Manual p. 17Default Time (HOME or AWAY) and the time-zone difference come next. Press SELECT to keep them as they are.
PressSELECT
Manual p. 18Time of day: press UP or DOWN to set the hours and SELECT to save, then do the same for minutes.
PressUP (▲)PressDOWN (▼)PressSELECT
Manual p. 18Date: set the year, month and day in turn with UP or DOWN, pressing SELECT after each.
PressUP (▲)PressDOWN (▼)PressSELECT
Manual p. 19Dual Time: choose OFF or ON with UP or DOWN, then SELECT.
PressUP (▲)PressDOWN (▼)PressSELECT
Manual p. 19
Units (m/ft, °C/°F)
One setting changes all units together (MET or IMP) (p. 34).
In the dive mode, press DOWN to open the menu, press DOWN to SET MENU, then press SELECT.
PressDOWN (▼)PressSELECT
Manual p. 29Press UP or DOWN to Set Utilities, then press SELECT.
PressUP (▲)PressDOWN (▼)PressSELECT
Manual p. 33Press SELECT to go past H2O Type and H2O Activation to UNITS.
PressSELECT
Manual p. 34Press UP or DOWN to choose MET (metric) or IMP (imperial), then press SELECT to save.
PressUP (▲)PressDOWN (▼)PressSELECT
Manual p. 34
Water type (salt/fresh)
In the dive mode, press DOWN to open the menu, press DOWN to SET MENU, then press SELECT.
PressDOWN (▼)PressSELECT
Manual p. 29Press UP or DOWN to Set Utilities, then press SELECT. H2O Type is the first item.
PressUP (▲)PressDOWN (▼)PressSELECT
Manual p. 33Press UP or DOWN to choose SALT or FRESH, then press SELECT to save.
PressUP (▲)PressDOWN (▼)PressSELECT
Manual p. 33
Dive mode (Air / Nitrox / Gauge)
In the dive mode, press DOWN to open the menu, press DOWN to SET MENU, then press SELECT.
PressDOWN (▼)PressSELECT
Manual p. 29Press UP or DOWN to Set Mode, then press SELECT.
PressUP (▲)PressDOWN (▼)PressSELECT
Manual p. 36Press UP or DOWN to choose diVE (air/nitrox computer), GAUG (depth gauge and timer) or FrEE (free diving). Press SELECT to save.
PressUP (▲)PressDOWN (▼)PressSELECT
Manual p. 36Warning: after a dive in Gauge mode, it has no deco or oxygen calculation until a 24-hour surface interval has passed. Do not choose GAUG unless your instructor says so.
Manual p. 36
Nitrox O₂% and ppO₂ limit
The manual describes no automatic reset of the O2 %. After a dive, the active gas returns to Gas 1 after 10 minutes on the surface (p. 43).
Open SET MENU (press DOWN, DOWN, then SELECT). Press UP or DOWN to Set Gas, then press SELECT.
PressDOWN (▼)PressUP (▲)PressSELECT
Manual p. 30Press UP or DOWN to choose Air or EAN (nitrox), then press SELECT. If you choose Air, you are done.
PressUP (▲)PressDOWN (▼)PressSELECT
Manual p. 30Gas 1: press UP or DOWN to set the O2 % (21–100%), then press SELECT.
PressUP (▲)PressDOWN (▼)PressSELECT
Manual p. 30Set the PO2 alarm with UP or DOWN (1.10–1.60, in steps of 0.05; for example 1.40). The MOD is shown. Press SELECT.
PressUP (▲)PressDOWN (▼)PressSELECT
Manual p. 30Gas 2: set it to OFF for one tank and press SELECT; this returns you to Set Gas. Gas 1 cannot be turned off.
PressSELECT
Manual p. 30Check the surface screen: it shows the gas number and the O2 % you set.
Manual p. 26
Conservatism / personal setting
Open SET MENU, press UP or DOWN to Set Utilities, then press SELECT.
PressDOWN (▼)PressUP (▲)PressSELECT
Manual p. 33Press SELECT to go past each item until CONSERVATIVE FACTOR appears (the 6th item).
PressSELECT
Manual p. 35Press UP or DOWN to choose ON or OFF, then press SELECT to save.
PressUP (▲)PressDOWN (▼)PressSELECT
Manual p. 35ON gives shorter no-deco times: it calculates as if you were 915 m (3,000 ft) higher than you are.
Manual p. 22
Altitude
Altitude is detected automatically; there is no manual altitude setting (p. 66).
Nothing to set: it reads air pressure when the dive mode starts and every 15 min while dry.
Manual p. 66It adjusts by itself for altitudes from 916 m (3,001 ft) to 4,270 m (14,000 ft).
Manual p. 66To see the altitude level, press UP on the dive surface screen for ALT 1. It shows EL2–EL7, or is blank at sea level.
PressUP (▲)
Manual p. 26It will not work as a dive computer above 4,270 m (14,000 ft).
Manual p. 66
Audible alarms (depth / time)
Open SET MENU, press UP or DOWN to Set Alarms, then press SELECT.
PressDOWN (▼)PressUP (▲)PressSELECT
Manual p. 31Audible alarm: press UP or DOWN to choose ON or OFF, then SELECT. Leave it ON.
PressUP (▲)PressDOWN (▼)PressSELECT
Manual p. 31Depth alarm: press UP or DOWN to choose OFF or 10–100 m (30–330 ft), then SELECT.
PressUP (▲)PressDOWN (▼)PressSELECT
Manual p. 31EDT (dive time) alarm: press UP or DOWN to choose OFF or 10–180 minutes, then SELECT.
PressUP (▲)PressDOWN (▼)PressSELECT
Manual p. 32N2 alarm and DTR alarm (OFF or 5–20 min) follow. Set them the same way and press SELECT.
PressUP (▲)PressDOWN (▼)PressSELECT
Manual p. 32An alarm beeps 10 times and a light on the side flashes. Press SELECT to silence it.
PressSELECT
Manual p. 24
Reading the log after a dive
Quick look: press SELECT on the dive surface screen for LAST DIVE: entry time, max depth, dive time, exit time, average depth.
PressSELECT
Manual p. 27Full log: press DOWN to open the menu, press DOWN to LOG, then press SELECT.
PressDOWN (▼)PressSELECT
Manual p. 28Press UP or DOWN to step through dives (date and start time). Press SELECT to open one.
PressUP (▲)PressDOWN (▼)PressSELECT
Manual p. 28Press SELECT for each page: max depth, dive time, ascent rate, surface interval, lowest temperature, altitude, and for nitrox the O2 % and highest PO2.
PressSELECT
Manual p. 29The log holds the last 24 Dive and Gauge dives. Free dives are not in the log.
Manual p. 28
Battery
A solid battery icon is a warning: it still works but the backlight is off. Change the battery before diving.
Manual p. 23A flashing battery icon is an alarm: the dive computer stops and it goes back to Watch time. Do not dive.
Manual p. 23It uses one 3 V CR2430 lithium battery. The user can change it, or a dealer can do it with a pressure test.
Manual p. 65After a change, switch it on, check the display is clear, and check all settings before diving.
Manual p. 65
What the main screen shows
On the surface the dive screen shows surface time, the gas number and the O2 % of the gas.
Manual p. 26In a dive it shows depth, max depth, dive time, gas number and Dive Time Remaining (no-deco or O2 minutes, whichever is shorter).
Manual p. 40The bar on the left is ascent rate. All segments flash if you ascend faster than 9 m (30 ft) per minute.
Manual p. 22The bar on the right is nitrogen loading. The fifth segment means decompression.
Manual p. 22Press UP in a dive for time and temperature, and (nitrox) O2 saturation and PO2.
PressUP (▲)
Manual p. 40
Pre-dive check
Tick each item before you get in the water.