Garmin Descent Mk3i Dive Computer Review FULL DIVE WITH DECO!

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Garmin Descent Mk3i 43mm

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Full Dive Computer Review with Garmin Decent MK2i, Garmin Decent MK3i, Garmin Decent MK3i 43mm, and the Decent.

Dive into the ultimate Gamin dive computer face-off! Into and out of Deco!!!

This is a Head-to-head comparison of the 4 current Garmin Decent Dive Computers...

Join Technical Dive Instructor Benjamin Hadfield as he puts the Garmin dive computers through their paces in cold water, analyzing their performance entering and exiting decompression. .

Discover how the Garmin Mk3i, Garmin Mk3i 43 mm, Garmin Mk2i, and Garmin G1 purpose-built diving computers handle the challenges of deco.

Whether you're a seasoned diver or a tech enthusiast, this video offers invaluable insights into the functionality and reliability of these dive computers in real-world conditions. Dive in and see which device emerges as the ultimate companion for your underwater adventures!

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Chapters:
00:00 Benjamin Hadfield - Teach Me to Dive
00:25 The Dive Details
00:46 Dive Screens
01:16 Transmitters
01:52 Depth Rating and Case
02:30 Battery Life
02:58 Sleep Score / Diver Readiness Score
03:11 Conservatism / Bulmann
03:39 Altitude Compensation
03:57 SAC/RMV/ATR
04:15 Heart Rate
04:22 Buttons
04:49 Diver-to-Diver Messaging
04:52 HELP
05:25 First NDL Warning
05:38 Big Numbers
05:55 Tough Glass
06:34 Double Tap
07:13 Second NDL Warning
07:23 Alerts
07:45 Silent Diving
08:16 Surface Gradient Factor
08:31 Deco Started
08:54 Depth Graph for Deco
09:23 CNS Clock
09:36 TTS
10:02 PO2
10:39 Ascent Rate
10:58 Preet Messages & Compatability
11:32 Transmitter Power
12:01 Data from Other Divers
12:34 Deco Cleared
12:53 Compass
14:29 Safety Stop
15:33 Gas Consumption
17:22 Dive Log Screens on Your Phone
18:20 Benjamin Hadfield - Teach Me to Dive

@GarminInt @HollisGear @apeksdiving6058

Featuring SubWave™ sonar-based communication and diver monitoring, this advanced, air-integrated1 dive computer and smartwatch comes with Garmin innovations to help prepare you to make the most of your diving experience — plus multisport training and smart features for your active life out of the water.

AIR INTEGRATION
Pair with our Descent™ T2 transceivers (sold separately) for integrated pressure monitoring on up to 8 tanks via the SubWave sonar data network.

SUBWAVE SONAR NETWORKING
Exchange preset diver-to-diver messages up to 30 meters as well as monitor tank pressures and depth for up to 8 divers within a range of 10 meters1.

DIVE MODES
Get multiple dive modes for single and multiple gas dives (including nitrox and trimix), gauge, apnea, apnea hunt and closed-circuit rebreather.

DIVE READINESS TOOL
This Garmin first technology shows how lifestyle factors such as sleep, exercise, stress and jet lag can affect your body — to help gauge when you are best prepared to dive.

DIVEVIEW MAPS
Color maps on your wrist offer bathymetric depth contours and more than 4,000 dive sites to help you discover new places to dive and get oriented.

DIVE-FOCUSED DESIGN
With its bright 1.4” AMOLED color display, sapphire lens, 200-meter dive-rated case and leakproof metal inductive buttons, this watch is built to go deep.

DIVE FEATURES

BUILT-IN LED FLASHLIGHT
See and be seen with variable light intensities and strobe modes, in or out of the water.

DIVE LOG
Store and review data, track gear, take notes — and share via the Garmin Dive™ smartphone app.

LONG BATTERY LIFE
Stay in the water longer with up to 66 hours in dive mode plus up to 25 days in smartwatch mode.

CUSTOMIZABLE DIVE MODES
Add additional screens for each dive mode that features the fields you want to see.

SURFACE GPS
Track your entry and exit points on the surface with advanced satellite connectivity.

GARMIN DIVE APP
Pair the app with your Descent dive computer to automatically sync and upload your dive logs.

LUME MODE
To aid readability and help maintain night vision, an ambient light sensor gives a green luminescence to your watch face in low-light conditions.

DIVE COMPASS
Built-in ABC sensors, including an underwater compass, help navigate every part of your dive.

REFERENCE POINT
Use this GPS tool for surface navigation to a dive site, so you can drop right onto your target every time.

VARIOMETER
This tool helps you monitor your freedive descent and ascent rates through tone and vibration feedback.

BIG NUMBERS MODE
Get a simplified dive screen on your wrist, with larger text to see critical diving data.

TIDE DATA
Stay up to date on ocean conditions by pairing your Descent device with your compatible smartphone.

INREACH® DEVICE COMPATIBLE
Pair with inReach devices2 and the inReach dive case for satellite messaging off-grid.

[ofthefam]

Thanks for in death video you saved me a lot of googling. I’m a new diver with 5 doves under my belt and I decided to go big with the mk3! I’ll use it for the first time this Saturday, so I’m trying to understand everything that I can before my dive so I can have some fun this Saturday.

[MrExLoVE]

Finally someone explained the diving features throughly, thank you very much. I only wished if you showed how the watch shows the surface interval time and the cns % after the dive

[ignacioa]

Outstanding review. The right information to make a decision! Thank you!

[michaelanderberg]

Loved this video, thanks! Just on the verge of buying one myself and it looks like it should be a good choice!

[M.M.M.M.M]

Great video. Would be amazing if you also did a video with the Mk3i next to the Teric. Those two are the main competitors. I think seeing how they (Mk3i and Teric) behave during a dive side-by-side would be really helpful to many people trying to choose a computer :)

[alexg.]

I really enjoyed the video and you made me interested in two things, maybe you can make a video on those points:

1. You set up amazing screens. Would you mind make a video on how you set them up?
2. You talked about the setting of the AI with bottles and total dive time remaining with this air. I try to set it up and couldn’t do it properly, how about a video on this?

Thank you again for this excellent video.

Alex

[martinzagar]

Hi, I'm in dilema to buy the smaller version or better go with 51mm.. I know flashlight is missing on smaller one, but that is not a problem.. I'm concerned about readability on smaller and operation with thick gloves.. What is your opinion? I'm leaning towards 43mm because I'll use it for other sports and everyday use, but don't want to miss some important feature what is offered by full size

[laminar]

Great video! My apologies for being so late.. I just came across it. We currently dive Shearwater (and love them), but are thinking of switching to the Mk3i for many reasons. Does the Mk3i offer your current GF (GF99 for Shearwater) in addition to SURF GF? So you know where you stand at depth. Also.. how easy (or difficult) is it to customize the dive screens? I find the Garmin manual to be very unhelpful compared the Shearwater manuals. So I could use your insight on that as well. Someone asked if you could make a video showing us how to customize.. and I 100% agree that would be VERY helpful. Thanks!!

[ThomasMadrange]

Awesome video, thanks a lot!
I have two questions however:
1. your last deco stop seems to be set to the highest available value in the settings (20ft), is there a particular reason? vs. the usual 3m last deco stop in the tables?
2. on my mk3i, the safety stop only triggers after a non-deco dive. I get no safety stop during a deco dive. Have you experienced something similar?

My settings are:
High GF 85%
Low GF 85%
PO2 1.4
Safety stop 3min
Last deco stop 3m

Thanks in advance for your time!

[ofthefam]

Did you program the tanks through the watch or the dive app?

[glebm]

Do you hear the chirping sound when diving with a transmitter? I was told that since Garmin uses sonar technology for data exchange there is a constant sound similar to fire alarm battery running low. Ty.

[tattsenglee]

Would you recommend the 43mm or 51mm as a 24/7 everyday smartwatch? My wrist is around 18cm.

[timpower]

How did you get the Mk3i to display the ascent bar that big?

[peterpanci]

Hi what do you think of g1? many thanks

[stephanwilliot]

Does the Garmin subwave sonar technology still have that annoying beep? Wondering if I would use all the functionality it is about 500EUR more than a Shearwater Terric/Perdix 2, which is what I wanted to go for. All three products seen great.

[vonnearnelgonce]

Thanks for the great video! Question though, I have the MII, and it is not going to the 3 min safety stop after it is cleared from deco. Literally just got out of the water with a dive that was exactly the same as the one you are demonstrating and it did not give me a 3 min safety stop. Is this a setting somewhere I am unaware of? My watch software is up to date, but it's done this 3 times. It bugs me-I want the 3 min safety stop to show.

[IDive]

Excellent video. My mk2i got held up well for a few years but eventually gained a nice long scratch on the glass.


Love my mk3i but wish the numbers were as large as my mk2i in dive mode.

[addohm]

My mk2i has a few scratches on the screen. I got them at the start oh a dive when doning aluminum stage and deco cylinders. My mk3i hasnt had that happen.

[weibinglee]

I still can't get the torchlight on my Garmin Descent MK3i to work during a dive. Do you know how to turn on the torchlight during a dive?

[SGManhHa]

Why the diving interface in my MK3i is difference with your. MK3i look similar with Mk2