CLOSED LOOP or
OPEN LOOP or
HIGH SECURITY CLOSED LOOP or
HIGH SECURITY OPEN LOOP
RESISTOR VALUE
NONE or
1K IN SERIES or
1K IN SERIES AND PARALLEL or
2K IN SERIES or
3.3K IN SERIES or
5.6K IN SERIES AND PARALLEL or
10K IN SERIES or
33K IN SERIES or
47K IN SERIES or
500 OHMS IN SERIES