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It may be time to upgrade my OSTC2, but I cannot make my mind up between the OSTC2TR and OSTC4.

If I am not too concerned about air integration, and I am not too concerned about using VPM or a wet connector, what would be the main case between the 2 and 4 in diving terms?

Hi,

The OSTC4 has a much bigger screen with very sharp and large figures. That is, besides the deeper depth rating of the OSTC4 (200m) the main difference. When directly compared to the OSTC2 (TR) the screen is simply on another level. Also, the three button interface allows quicker setup and operation.

regards,
Matthias

Matthias,

Many thanks. Time to start thinking it over.