
KRAMER ELECTRONICS LTD.
7
8.2 Operation
!
Connect a cable leading from the INPUT connector of the
123V
machine to
the output of the video source.
!
Connect up to three video acceptors to the OUT sockets of the
123V
machine. Use best available coaxial cables for connection.
!
Connect an appropriate 12VDC source to the DC socket of the
123V
machine. Observe polarity. The built-in LED will light.
!
Operate source and acceptor(s).
!
Adjust the GAIN and EQ. (cable equalization) control trimmers on the
123V
machine
only if necessary
. Those trimmers are preset at the factory
for unity gain, so re-adjusting them unnecessarily might upset the signal
transparency.
9 TYPICAL
APPLICATION
Figure 2 shows a typical application of the
123V
for elimination of hum and noise
picked up from a long video line or as a result of ground related problems.
Figure 2: 123V Typical Application