Final answer:
Quadrant 2 on the Tracker 2000 CRT likely displays specific signal information such as velocity or altitude, although exact details cannot be provided without more context about the device.
Step-by-step explanation:
The question refers to the Tracker 2000 CRT, which suggests a context related to monitoring or display technology used within certain specialized fields, possibly including radar, sonar, or other electronic tracking systems.
Without specific information about the Tracker 2000 CRT device, it is challenging to determine exactly what signal information is displayed in Quadrant 2. Usually, in multi-quadrant display systems, different types of signal information such as velocity, altitude, or other tracking parameters are displayed in each quadrant.
As the name implies, CRT (Cathode Ray Tube) indicates that the display technology is based on electron beams and phosphorescent screens, which were common before the advent of LCD and other modern display technologies.