On the Subject of Text Field

ALit CLR
≥ 3 batteries
1 battery
Lit FRK
Otherwise
DParallel port
≤ 1 battery
Lit SIG
No PS/2 port
Otherwise
BNo battery
Last digit odd
No serial port
Lit TRN
Otherwise
E≤ 2 batteries
No RCA port
Lit BOB
RJ-45 port
Otherwise
CDVI-D port
2 batteries
No vowels in #
Lit CAR
Otherwise
FNo serial port
Vowel in #
Lit IND
Last digit even
Otherwise