Using the RDS SECTION (FM version ONLY)
ENG
Page 83
EXAMPLE N° 2 – TA activation by clean contact
OPTO
INPUT
SPLIT
TA
R
+5V
1
5
6
9
1
6
5
9
(connector internal view)
The external switch (clean contact) is used to shortcut pin 3 and 4 (with pin 5 and 9 tied together)