AI for sidemount

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Transmitters and SPG on each cylinder. Yesterday I was glad I had both. Much easier to check pressures on the Perdix. Perdix will also give a reg switch alarm. But yesterday something went wrong with the Perdix - Both transmitter displays said comms failure at the same time. I was one hour into a planned 1:45 dive. Last pressure reading I remembered was 2000 and 1750. Held the Perdix right next to each transmitter but no joy. Turned the dive, and made an uneventful shore exit because I had SPGs as a backup. Sent e-mail to Shearwater. Changed all 3 batteries. Functioned normal today.
I'll be sticking with AI plus SPG from now on.

Worst of both worlds?

Pick one and run it with appropriate gas planning, then carry a spare to swap between dives should something go awry.
 
guilty as charged, I get anxious about them as well and I find myself "checking" on them more often than I like

they (the jank) have always been a temporary soln. since I am not finding HP splitters in stock to run them without swivels (comfortably)

I am open to other ideas/suggetions -- within the requirment: I wanna use both a transmitter and (non button) SPG 🤷🏽‍♀️

EDIT: I know it's an eyesore -- I wish I put a trigger warning in the last post 🙈
Remove the SPG and that swivel+hose
Turn the regulator body sideways like 99.9% of SM divers do
Route the transmitter down towards the base of the tank
 
Снимите SPG и этот вертлюг + шланг.
Поверните корпус регулятора в сторону, как это делают 99,9% дайверов SM.
Направьте передатчик вниз к основанию резервуара.
 
I do the two transmitter thing. I wish the led on the transmitter would change colors based on the gas in the tanks. Something like:
Blue: > 2500 (thirds on steel is 2400)
Green: 2000 - 2500
Yellow: 1500 - 2000 (thirds on aluminum)
Yellow Blink: 1000 - 1500
Red: 500 - 1000
Red blink: < 500

That way, if you had a connection failure, you could look and see your approximate gas. Also, your buddy could glance at your gas.
 
I do the two transmitter thing. I wish the led on the transmitter would change colors based on the gas in the tanks. Something like:
Blue: > 2500 (thirds on steel is 2400)
Green: 2000 - 2500
Yellow: 1500 - 2000 (thirds on aluminum)
Yellow Blink: 1000 - 1500
Red: 500 - 1000
Red blink: < 500

That way, if you had a connection failure, you could look and see your approximate gas. Also, your buddy could glance at your gas.
Ratio or Mares transmitters use a color-coding scheme to signal tank pressure.

Best wishes Jens
 
https://www.shearwater.com/products/swift/

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