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Dive Computer Expert Reviews
Saving Your Precious Time And Finding The Best Dive Computer For You
Dive computer reviews are perfectly organized and consist of fully researched information and ratings of Aeris, Cressi, Mares, Oceanic, Sherwood, Suunto, Tusa, and UWATEC/ScubaPro brands. In Catalogue Section you may compare any models side-by-side and select dive computer according to your needs! Join thousands of happy customers!
CatalogueGeneral Information
Specifications
User Interface
Pre-Diving
Diving
Post-Diving
Summary
Your Review
Algorithms are listed below:
Copy this Oceanic OC1 Features & Alarms Card for your Reference and Share with your friends and buddies!
Please Note: Oceanic OC1 units shipped after November 1, 2011 no longer feature Buddy Pressure Check.
Please Note: OC1 units shipped after November 1, 2011 no longer feature Buddy Pressure Check.
Oceanic OC1 dive computer has 4 buttons on the interactive control console. By using them and their combinations you will have access to wide variety of menus, submenus, modes, and settings. But, before, you need stady documentation thoroughly, because it is quite a lengthy one and you may be confused at the beginning.
Dive computer has 2 bar graphs. On the left - we have shared bar graph for representation of following information:
And on the right side we have bar graph VARI that rapresents our ascent speed rate. During set up and diving in NORM Dive Mode (Air/Nitrox), Gauge, or Free Dive modes, OC1 will be showing several displays (main and few alternatives) with all information according to the type of your dive, No-Decompression or Decompression conditions, also it will show main and alternative displays for Deep Stop and Safety Stop, all applicable alarms and violation displays (if you had any). As this is scuba dive computer with compass - you may access COMPASS Mode any time on surface or underwater. Just spend time to calibrate it properly!
All settings divided into certain groups and we access them to customize our Oceanic OC1 scuba dive computer before diving. Alarms for freediving can be set from accessing Free Menu.
Copy this Oceanic OC1 Settings Card for your Reference and Share with your friends and buddies!
Oceanic OC1: Diving With Air & NitroxOceanic OC1 scuba dive computer displays Dive Time Remaining (DTR) by monitoring your current depth, oxygen accumulation, Air Time remaining, No-Decompression status. It shows you not only your DTR at certain depth in minutes, but also displays status of TLBG or O2BG by adding or taking away segments of those graphs, and calculates Air Time Remaining that is based on the current depth and your breath rate (with transmitter, of course). When you dive with compressed air – you have 79% of nitrogen and 21% of oxygen approximately. If this is the case – your tissues absorb nitrogen and Dive Time Remaining (DTR) is shown according to nitrogen loading.
When you dive with enriched air - Nitrox – it is a different scenario. You have different percentage of nitrogen and oxygen and your body responds differently to such a gas mix. In this case you are exposed to oxygen toxicity. Copy this Oceanic OC1 NO-DECO Mode Card for your Reference and Share with your friends and buddies!
Upon reaching certain conditions you may get Deep Stop and Safety Stop prompts if those parameters were set to ON. It goes without saying that OC1 constantly monitors our O2 exposure and PO2 level. Oceanic OC1 gives as High O2 warning when oxygen toxicity reaches to 80% (240 OTU) and alarm when O2 hits 100% (300 OTU) with all vital data displayed.
If we exceed our No-Decompression Limits - dive computer will activate Decompression mode. We must safely ascend to the Decompression Stop Depth displayed and stay there or just a bit below for Decompression Time displayed. Scuba dive computer manages Decompression stops by displaying two arrows and a Stop bar. When we see Stop bar and UP/DOWN arrows at the same time all together - we are at correct Decompression Stop depth.
Copy this Oceanic OC1 DECO Mode Card for your Reference and Share with your friends and buddies!
Also you may create violations during Decompression Mode, like Conditional violation or Delayed violations. That means that you ascended shallower than required Stop Depth and stayed at that level for some time, or Decompression Stop depth must be performed within depth of 18 - 21 meters, or you descended deeper than Maximum Operational Depth of 100 meters. In the case of Conditional Violation you won’t be given an off-gassing credit, but instead you will get penalty time and you must work it off before earning off-gassing credit. All those violations have appropriate main and alternative displays available.
Oceanic OC1: Diving In GAUGE ModeAnother dive mode of Oceanic OC1 is Gauge. In Gauge mode OC1 doesn't calculates your No-Decompression Limits and works as a depth gauge and timer only. In this mode you may access COMPASS any time and it allows you to use all your transmitters. Below is a summary from main and alternative displays while diving in Gauge mode:
Oceanic OC1: FREEdivingBefore freediving you need to set some specific parameters for it and they are accessible from FREE Menu:
It is worth to say that Freedive mode shares some settings with Air and Nitrox dive modes and they are listed below:
When Oceanic OC1 senses 1.5 meters for 5 seconds - it will activate Freedive mode, having in mind that you selected Freedive before. Freedive display has main and alternative screens and below is a summary of what you will get:
In Freedive mode this Oceanic computer monitors nitrogen loading that you may have from previous dives and current freedive, and it displays Tissue Loading Bar Graph respectively. And this is a feature of other Oceanic computers, like Veo 2.0 and veo 3.0, for example. It is a great benefit for us - to stay well-informed and alert of our nitrogen absorption all the time! During freedive you will certainly get freedive alarms that you set before with appropriate dive data displayed. When nitrogen level hits caution zone with 4 segments filled-up on TLBG - you will get High Nitrogen warning. And if you get into the situation of High Nitrogen alarm during freedive - VIOL graphic and full TLBG are displayed and your No-Decompression Time (NDC) will be displayed as 0 (zero). It happens if you nitrogen level from previous dives reaches Decompression condition. When you resurface - Oceanic OC1 scuba dive computer will lock to FREE Mode for 24 hours. During this time you may access digital watch and compass functions.
On surface you will have an access to following modes of Oceanic OC1:
Oceanic OC1: What Divers Say
Oceanic OC1 is a high-tech dive computer with variety of unique and distinctive features, which determine quite high price of this dive equipment. We found that buttons are easy to press, display was clearly seen and it was easy to interpret all dive data displayed. All audio alarms were loud enough even with hood - so, not a single problem with those things. Manuals are difficult at the beginning, but you need to know that it is a high-tech dive computer, and should prepare yourself to have a learning curve while studying this Oceanic computer!
Please Note: Oceanic OC1 units shipped after November 1, 2011 no longer feature Buddy Pressure Check.
And as for our conclusion about this sophisticated piece of diving equipment - If you are a serious diver, beginner, advanced, or technical, if you are not afraid to spend time to learn all things about this marvelous dive computer, if you have substantial budget and want to have dive computer that has all features necessary for you to dive deeper and stay underwater longer
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I've got my Oceanic OC1 when it just came out to the market. That time it still had "buddy pressure check" function. And I used it regularly when we were diving together with my wife. I don't have any complaints about this function. Don't know why Oceanic decided to get rid of this feature.
Before OC1 I've already been familiar with dive computers during my 20 years diving career. But this one nicely stunned me by its functions and multifunctionality! Learning it properly took my quite a time, as from the very beginning it was confusing. Dive computer interface is not too user-friendly. It has too many button combos to set up or change something. But Oceanic OC1 is a high-end instrument, so I had to dig thoroughly to master it.
Dual Algorithm and Safety factor setting allows me diving in different profiles, and 3 gas mixes gave me possibility to stay and enjoy my diving longer!
Oceanic OC1 - best dive computer ever made!
I've bought Oceanic OC1 year ago and already logged 100 dives on it - it was big celebration for both of us!
Owner's documentation was the nightmare at the beginning, it was a huge learning curve to learn all the functions and figure out how to access them! Now - it's all fine, and we are friends!
OC1 has huge number of functions as a dive computer, plus digital wrist watch, and on top of that - integrated digital compass. Compass can be designed better, I think. For me arrow is too small and all layout looks awkward - but it's not a big deal anyway!
I love high level of customizations - I can choose between dual algorithm what profile to dive - liberal or conservative, can set Deep and Safe Stops, Personal Safety factor.
Wireless works well, but still occasionally it loses the connection for 1-2 seconds.
I think Oceanic OC1 is the best dive computer ever made in wrist watch style!