What was the first dive computer by Dacor capable of determining?

The first dive computer developed by Dacor was capable of determining saturation levels. This functionality is crucial for divers, as it allows them to monitor their nitrogen absorption and manage their ascent profiles to prevent decompression sickness. Saturation levels indicate how much nitrogen has been taken up by the body's tissues while diving, which is vital information for safe diving practices.

While other options may seem relevant, they do not pertain to the primary function of this early dive computer. For instance, buoyancy control devices are important for maintaining position during dives, but they involve equipment outside the scope of what a dive computer measures. Water salinity levels, while potentially useful for various marine assessments, are not typically a function of dive computers and do not directly influence diver safety in terms of nitrogen levels. Similarly, while dive duration is a key aspect of diving, the pioneering dive computer's primary focus on saturation levels represents a significant advancement in dive safety technologies. So, while monitoring dive durations is important, the ability to track saturation levels is fundamental for improving safety in diving activities.