7.3Getting 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.

￿

KRAMER ELECTRONICS LTD.

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Kramer Electronics TP-1xl user manual Front/Rear Panel Features