User`s guide

User’s Guide
System Installation 9
I. Looping Video Outputs: Connect the BNC connector to external video equipment
for constant monitoring of that channel. Internal 75 Ohm termination is provided
by the multiplexer. To use the loop back connector, disable the termination in the
setup menu (see Configuration Table 1 on page 28).
Day/Night
Switch:
TTL level input, use normal open (NO) type switch. If switch is
OFF multiplexer detects high, if switch is ON, multiplexer
detects low. Please refer to Day/Night Switch on page 38 for set
up procedure.
Day/Night
Output:
TTL level output, if the Day/Night switch is ON, this output is
0 Volts. If the switch input is OFF, this output will also be high.