Safety-stop information when displayed was counted down in minutes and was instantly recognisable. The important stuff such as present depth and no-deco limits are displayed using big and bold fonts with the maximum depth, oxygen percentage or ambient temperature in smaller fonts. The crisp LCD matrix had great contrast (especially when backlit) and is set out in such a way as to make assimilating the information shown very easy. Under water, the display was easy to read. My wrists (unlike my belly) are skinny, so this was a surprise, and something chunkier divers might need to take into account. They’re stiff and left me with sore fingers, but have the advantage of being almost impossible to activate accidentally.ĭonning the computer for the first dive, I noticed that the strap was shorter than other models I’ve used, which meant that without the extension strap I had to roll up my wetsuit sleeve and attach the computer around my bare wrist.
The menus were accessed with single pushes of three buttons.
I then set the contrast and brightness of the backlight and set it to stay on for its maximum duration of 30 seconds, in the knowledge that the battery could be recharged after each day’s diving.
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I dived with this instrument on an intensive seven-day itinerary and, as is usual practice with computer tests, I also took my own tried and trusted model to add a safety net should things not go according to plan.Īfter taking time to digest the downloaded PDF instruction manual (as best I could) and a simple, short charging process using my iPhone wall-charger, I delved into the menus to set personal parameters such as safety-stop depths, alarms and gradient factors. Then there’s a pitch & roll function indicated on both a vertical and horizontal axis and, for the diver who has everything, a magnetometer to help out if you’re looking for something big and made of iron.įor the fitness enthusiasts among us there’s also a pedometer to record steps, mileage and burned calories during those early-morning jogging sessions. However, this dive instrument offers a further array of functions, which include a 3D self-compensating compass, an altimeter with automatic compensation for altitude diving, a thermometer and a barometric pressure gauge.Īgain, these functions aren’t unique in the dive-computer world but the iDive range goes beyond that and includes a current moon phase mode in which full, new, waxing and waning phases of the moon can be predicted. The iDive Easy has Air, Nitrox, Freedive, Gauge, Planning and Logbook modes, standard fare on nearly every available timepiece-style dive-computer, as are Watch and Chronometer modes. Safety-stop depths can be user-set, as can the choice of deep stops in a customisable menu system. The Easy model is a two-mix air/nitrox computer employing a real-time Buhlmann ZHL-16B algorithm to calculate tissue-saturation status and accurately and safely formulate repetitive dive-profiles. You’ll have to manually set the analysed mix into the computer, however, as current Health & Safety rules don’t allow this to be done automatically. This simply connects via the bayonet charging port and automatically calibrates and validates its oxygen sensor. The iDive Easy is available in eight colour schemes, and a Sea Jewel version with Swarovski crystals set around the periphery of the face is also available.Ī dedicated nitrox analyser can be added for the entire range of Ratio multi-gas computers. The strap is a heavy-duty silicon buckled version supplied with a separate extension for use over bulky exposure suits. As soon as the sensor detects movement, the display is switched on. The display is switched off if the iDive is still for five minutes, which allows for claimed battery burntimes of up to 25 hours in Dive mode, two months in Watch mode and up to six months in Total Sleep mode. The computer has an automatic sleep mode.
Charging is done via a USB interface cable with gold-plated terminals that bayonet into the iDive’s connection terminal. Menus and functions are accessed via three of four spring-loaded buttons at the 2, 4, and 8 o’clock positions, while the button at 10 o’clock activates the backlight.Ī single long-life USB rechargeable battery similar to those used in smartphones and tablets powers the iDive range. The 40mm-diameter 80 x 80-pixel matrix LCD backlit display has oversized graphics. This solid case gives the computer a depth-rating of 220m. The iDive Easy is a wristwatch-style instrument with a 47mm-diameter x 16mm deep polished 316L stainless-steel case and a scratch-resistant sapphire crystal glass face.
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