Philips VR620/58 User Manual download pdf (Page 61)

KSuppressing interference

Optimising the modulator

In some reception locations it is possible that a TV channel will be sent on the same or similar

frequency as the video recorder.

Result: As soon as the video recorder is switched on, the reception quality for this or several

other TV channels will decreased.

The following steps will show you how to change the pre-set 'transmission' (modulator)

frequency on the video recorder.

What is a modulator?

This electronic component in the video recorder allows the device to transmit

audio and video signals via the aerial cable. These signals can be received TV

set just like TV channels.

What is an modulator frequency?

This frequency or channel indicates the frequency or channel on which the

audio or video signal is transmitted.

1 Switch on the TV set. Select the programme number used for video

recorder playback (see TV operating instructions).

2 Press STOP/EJECT ? to eject any cassette that might be in the

device.

3 Hold the STOP h button on the remote control.

In addition press the STOP/EJECT ? button on the video

recorder until the pre-set modulator frequency e.g. 'M591' (591MHz

or UHF channel 36) appears in the display.

The video recorder will now transmit a test image on UHF channel

36/Frequency 591MHz.

OPTIMIZE MODULATOR

OPTIMIZE FREQUENCY 591 p

MODULATOR ON

SOUND SYSTEM G

________________________________

EXITpMENU STOREpOK

4 Select line 'OPTIMIZE FREQUENCY' using ;qP or P r= . Enter

the new modulator frequency with the number buttons 0..9 .

5 Tune in the TV set to the new modulator frequency (channel 21 - 69)

shown in the video recorder display.

a Sound interference occurs

b The wrong sound system could have been selected.

In line 'SOUND SYSTEM', select the TV system with the least sound

disruptions using P or Q .'G' (TV system PAL-B,G) or 'K' (TV system

SECAM-D,K).

ENGLISH

Suppressing interference

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Philips VR620/58 User Manual Page 61