Loop protect function – JVC JX-B555 User Manual

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ENGLISH

LOOP PROTECT function

LOOP PROTECT ON

(Signal cannot be output to itself)

(The LOOP PROTECT indicator is lit)

The LOOP PROTECT ON/OFF function determines whether the input (video/audio) signal is out-
put to the corresponding output terminal. Normally leave this button ON.

Connect INPUT/OUTPUT 1 on the JX-S555 to VCR 1 and
INPUT/OUTPUT 2 to VCR 2 to enable both to be used as
recording or playback decks in multi-dubbing.

The video/audio signals from VCR1 are output to VCR2 but
they are also output to VCR1 (because the OUTPUT

1

of

the JX-S555 is connected to the input of VCR1).

In this case, the image from VCR 1 will be degraded, pre-
venting high-quality dubbing. Set the LOOP PROTECT func-
tion to ON to prevent signal deterioration and stop output to
OUTPUT

1

.

LOOP PROTECT OFF

(Signal can be output to itself)

(The LOOP PROTECT indicator is off)

When dubbing from VCR 1 to 2 different VCRs, one more
set of OUTPUT terminals is required when connecting IN-
PUT/OUTPUT 1 on the JX-S555 to the INPUT/OUTPUT on
VCR 1.

When you want to extend a set of the OUTPUT terminals,
set the LOOP PROTECT function to OFF, and connect the
OUTPUT

1

terminals on the JX-S555 to the recording VCR.

When the LOOP PROTECT function is set to OFF, the same
signal can be output to all the OUTPUT terminals.

VCR 2

(Playback)

(Recording)

(Playback)

(Recording)

VCR 1

1

2

4

5

1

2

AUDIO

RIGHT

LEFT

VIDEO

1

2

AUDIO

RIGHT

Cr/Pr

Y

Cb/Pb

Cr/Pr

Y

Cb/Pb

Cr/Pr

Y

Cb/Pb

LEFT

OPTICAL

OPTICAL

OPTICAL

MONITOR OUT

AUDIO

RIGHT

LEFT

VIDEO

VICTOR COMPANY OF JAPAN, LIMITED. MADE IN JAPAN

AVIS : RISQUE DE CHOC ELECTRIQUE-NE PAS OUVRIR

WARNING : SHOCK HAZARD-DO NOT OPEN

: Signal flow when
VCR 1 is played
back

Set the LOOP PROTECT
function to ON to prevent
output back to VCR 1 and
to avoid video deterioration.

INPUT

OUTPUT

VCR 2 (Recording)

VCR 3 (Recording)

(Playback)

VCR 1

INPUT

1

2

4

5

AUDIO

RIGHT

LEFT

VIDEO

1

2

AUDIO

RIGHT

Cr/Pr

Y

Cb/Pb

Cr/Pr

Y

Cb/Pb

Cr/Pr

Y

Cb/Pb

LEFT

OPTICAL

OPTICAL

OPTICAL

MONITOR OUT

AUDIO

RIGHT

LEFT

VIDEO

VICTOR COMPANY OF JAPAN, LIMITED. MADE IN JAPAN

AVIS : RISQUE DE CHOC ELECTRIQUE-NE PAS OUVRIR

WARNING : SHOCK HAZARD-DO NOT OPEN

1

2

OUTPUT

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