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KRAMER ELECTRONICS LTD.
14
7.3 Getting to Know the 707/708 Video/Audio Line Transmitter/Receiver
The KRAMER 707 Video/Audio Line Transmitter and the 708 Video/Audio Line Receiver, of the KRAMER
TOOLS family, are used as a pair for transmitting video and mono audio over long distances using twisted-pair
wire. A termination switch allows several
708
receivers to be looped-through on the same line (one transmitter -
multiple receivers). This pair of machines is best at distances of up to 200 meters. At shorter distances, they
provide close to broadcast level performance. They also provide user controlled Gain and HF compensation.
NOTE
For Installation, operation, maintenance and troubleshooting instructions please refer to sections 8-13.
Figure
: 707/708 Front/Rear Panel Features
Table 10: 708 Front/Rear Panel Features
No
.
Feature Function
1.
Video OUT
BNC connector
Amplified and buffered video output.
2.
EQ. trimmer Controls cable equalization.
3.
Video Gain trimmer Controls video level of the outputs.
4.
Audio OUT
RCA connector Amplified and buffered audio
output.
5.
Term
pushbutton Selects "
Term
" or "
Hi-Z"
impedance (pressed=
Term).
For looping select "
Hi-Z"
.
6.
INV
pushbutton
Inverts the incoming video signal when pressed.
7.
LOOP
telephone socket Provides looping capability to increase number of outputs (to connect additional
receivers).
8.
Line IN
telephone socket Balanced input.
9.
ON
Led
Illuminates when the machine is powered.
10.
12VDC
feed connector A DC connector that allows power to be supplied to the unit.
Table 11: 707 Front/Rear Panel Features
No
.
Feature Function
1.
LINE OUT telephone socket Balanced output.
2.
Audio Level
trimmer Adjusts the audio level output.
3.
Cond. MIC
switch
Provides operation voltage to the microphone when pressed.
WARNING!
Only press the COND MIC switch when a condenser microphone is used with
the 707! For all other audio sources, the switch must not be pressed!
4.
Audio IN
RCA connector Audio
input
5.
Video IN
BNC connector
Video input.
6.
ON
Led
Illuminates when the machine is powered.
7.
12VDC feed connector A DC connector that allows power to be supplied to the unit.