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Suppressing, Interference, Optimizing the modulator – Philips VR 708A/07 User Manual

Page 50: M 5 8 3, Ooppttiim miizziinngg tthhee m moodduullaattoorr

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O

PTIMIZING THE MODULATOR

E

NGLISH

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50

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Oppttiim

miizziinngg tthhee m

moodduullaattoorr

If the TV set and the video recorder are only connected with an

aerial cable - rather than with an additional scart cable - it may

happen that in certain reception locations the modulator

frequency of the video recorder is occupied by a TV channel. As

soon as the video recorder is switched on, the reception quality

of the TV picture deteriorates.The following steps will show you

how to overcome this problem.

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11

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moodduullaattoorr??

The purpose of this electronic assembly inside your

video recorder is to pass on the picture and sound

information read in from the video tape via an aerial

cable like a TV signal to the TV set. The modulator

frequency determines the frequency range in which

these signals are transmitted.

1 Switch the video recorder on and make sure

there is no cassette in the video recorder

3 The display shows “M ON”. The video

recorder will now transmit a test image on

this frequency

2 Press simultaneously the EEJJEEC

CTT button J

J on

the front of the video recorder and the

button PPRRO

OG

GRRA

AM

MM

MEE -- until the display

shows the modulator frequency (e.g.“M583”

or “CH35” ).

4 Use ==PP-- or ;;PP++ to select the option

“OPTIMIZE” and enter a new frequency

with the number buttons 00--99

PPRRO

OBBLLEEM

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You can also make the video recorder search

automatically for an appropriate frequency. To do so,

simply hold down the button P

P. As soon as a free

frequency has been found,it will be shown in the display.

5 Tune the programme number of your TV set

allocated for video use to the new modulator

frequency until you see the test image

sharply and in colour

M 5 8 3

OPTIMIZE MODULATOR

OPTIMIZE

Q583P

MODULATOR

ON

CHANNEL/FREQ.

FREQ

TO EXIT

PRESS MENU

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