First, let me apologize for the confusion. I wrote the new descriptions and if they're confusing and misleading then I've failed in my work. I've updated the MSP for right now, and will look at the others later. The descriptions won't be show until the next sync but I'll include them in this post for the interim.
“The Multiple Sensor Pack (MSP) is the next evolution in portable sensor technologies. It has succeeded the Energy and Biological Sensor Packs, which have both been combined into the MSP. As a result the MSP is capable of a focused scan which will provide biological and non-biological information based within the target of the scan. In addition, an individual equipped with an MSP is capable of sharing sensor information with other individuals who are also equipped with an MSP or who are piloting an entity with a mounted sensor suite such as those found on starships.
With capabilities that can be widely employed, it comes as no surprise that the MSP is a very practical and commonly used instrument across the galaxy.
“4.1/ Focus Scan
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If you are inside a ship, vehicle, facility, space station or outside and equipped with a Multiple Sensor Pack item then you can initiate a focus scan on any entity in range. If you are outside and equipped with a Energy Sensor Pack then you can only initiate a focus scan on ships, vehicles, facilities, or droids. Similarly, if you are outside and equipped with a Biological Sensor Pack then you can only initiate a focus scan on biological entities (characters, NPCs, and creatures).
This scan will provide you more detailed information about that entity like weaponry, sensors, ECM and so on. If your sensors are higher that the target's ECM, then you will also see the materials and number of passengers, ships and vehicles onboard the target. Multiple Sensor Pack, Energy Sensor Pack, and Biological Sensor Packare considered to have a sensor power of 1.”
They were used for scanning docked entities to see what was in them, as you couldn't otherwise scan they without kicking them out of your entity. The rules pages reflect that, but recent changes allow sensor sharing.