2nd attempt at making a decent video demostration. The little flashing character represents the type of trip being displayed, where "I" = INST, "C" = CURR, and "T" = TANK. The labels themselves ought to be fairly self-explanatory, now.
All of the information is more-or-less relative to the tank. Here's how all of the trips are related:
RAW -> INST
0 -> RAW
TANK + INST -> TANK
CURR + INST -> CURR
CURR can be configured via EEPROM parameter to reset, every time MPGuino is awakened.
Both TANK and CURR can be manually reset.
You will never see any RAW display, as it is continually being updated within MPGuino. The INST trip represents a 1/2 second average of the RAW data, as RAW is copied to INST every 1/2 second. After each copy, RAW is reset.