atmos 2 on and off

[bperrybap]

The reason for the 2 hours is so that it will stay on for the length of most surface intervals. As long as you splash back in within 2 hours after surfacing from your last dive, you computer will still be on.

This is incorrect.
After a dive, the computer will stay on for 24 hours
during the "time to fly" countdown.

The 2 hour timer is only after an activation with no dive.

--- bill

 

[Darryl Bowerman]

Original thinking behind the 2 hr activation time pre-dates our computers being water activated. The thinking was that at the dive site or on the boat trip to the dive site you activate the computer, check pre-dive planning and overall function. This then would give the diver a two hour window to get into the water before unit shut down to save battery. Battery life use during this two hour time period is minimal. Even now that we offer water activatied dive computers the two hour activation time is still in place. Works well for pre-dive plannig, setting up the computers user definable otional settings or reviewing old logged dives.

Regards,
Darryl

 

[Charlie99]

This is incorrect.
After a dive, the computer will stay on for 24 hours
during the "time to fly" countdown.

The 2 hour timer is only after an activation with no dive.

--- bill

The two hour timer also applies AFTER a dive.

After a dive the computer will stay in the "surface mode" for 2 hours. After 2 hours much of the circuitry will shut off and just the realtime clock and a countdown display is shown for the remainder of a 24 hour period. If you have waited more than two hours after but less than 24 after your dive, you still should reactivate the computer before jumping in. At that point it will do a recalibration of the sensor and other self-check, and then it will take several seconds as it updates the N2 loading calculations. If you have the water activation switch on, and you spend several seconds on the surface of the water you will be fine, even if you haven't reactivated the computer, but you may have problems if you do a hot drop and immediately descend. It's better to have the computer fully on before descending.

After 24 hours the display shuts off but the realtime clock keeps running.

 

[MikeFerrara]

he's talking about the Atmos 2, not the Atom 2

I thought it was Atom 12

 

[H2Andy]

the Oceanic? it's an Atom 2 as far as i know ... maybe the Atom 12 was before my time (which wasn't that long ago)

 

[dlndavid]

he's talking about the Atmos 2, not the Atom 2

still trying to prove your H2 theory I see

 

[dlndavid]

I thought it was 1adam12

 

[H2Andy]

why is NO ONE making any frigging sense today?

 

[ecudiver]

thanks everyone this was a huge help

 

[Tortuga James]

your atmos will stay on after a dive until your 24 hour flight count is complete (FLY 23:50) max. It keeps track of your surface interval until your desaturation time is over DSAT . it will flip back and forth between FLY and SAT until you are again a desaturated diver then it will only display FLY. If you just turned it on and do not dive it will stay on for 2 hours and then deactivate (page 25 of the manual) Batteries last a few years and are about $5

I got mine a month or so ago, and it has been too cold to dive, so I took it to the pool with me yesterday. After swimming my laps, I took it down to the drain in the deep end. All of a whopping 8'. After I got in the car, I looked at my first "logged" dive, 37 seconds at a max depth of 8'. This morning when I got in the car, it read FLY with 4:58 on the countdown.

I am going to assume from that, that nitrogen loading is not figured into any "time to fly" calculations.