DO NOT USE THIS APP ON A DEVICE WITH LESS THAN 320 PIXELS OF SCREEN RESOLUTION IN WIDTH.
Although this app has been designed to function on a variety of devices, using it on a device with less than 320 pixels of resultion in width will present a number of difficulties.
To avoid this, rotate the device 90° – e.g. from “profile” to “landscape” mode – in order to have a greater screen width.
ITV Decision Aid (Version 3.73) Developed by the U.S. Coast Guard at Performance Technology Center, CG Force Readiness Command, for the Towing Vessel National Center of Expertise