tmassey
Contributor
A question I'm curious about is the Bluetooth drain. Would this mean more significant battery drain than before? Does the Bluetooth auto turn off? Or is the user expected to turn it on/off when necessary, to conserve battery?
You put the computer into BT transmission mode. It's off until you tell it to be on -- like any BT download device.
As for power usage: It uses less power than the cable. But power consumption during dive transfer is *NOT* why you buy one computer over another. Talk about the tail wagging the dog...
On my Oceanic Veo 180NX, yes, it's limited by number of samples, not number of dives per se. I've got mine set for 15 second samples. So if your dives are short, you can fit more. I've absolutely overflowed the computer on a busy trip. Hence my encouraging to consider the BT. Having said that, unless you're doing 4 dives a day for a week, you're not going to overflow. If you're a beginning diver considering the Geo 2.0, I wouldn't let that stop me. For $270, it's worth the money. But seeing as the cable is $100, I'd go with the Geo 4.0 for all of $30 more: it's worth the extra money.