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Philips VR620/58 KSuppressing interference, Optimising the modulator, What is a modulator?

Models: VR620/58

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KSuppressing interference

OPTIMIZE MODULATOR
OPTIMIZE FREQUENCY	591	p
MODULATOR	ON
SOUND SYSTEM	G

________________________________

EXITpMENU STOREpOK

		ENGLISH
Optimising the modulator		ENGLISH
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.

1Switch on the TV set. Select the programme number used for video recorder playback (see TV operating instructions).

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

3Hold 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.

4Select line 'OPTIMIZE FREQUENCY' using ;qP or P r= . Enter the new modulator frequency with the number buttons 0..9 .

5Tune in the TV set to the new modulator frequency (channel 21 - 69) shown in the video recorder display.

aSound 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).

Suppressing interference	57

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Philips VR620/58 KSuppressing interference, Optimising the modulator, What is a modulator?, ASound interference occurs

Contents

Table of contents Remote control Front of the device Additional TV functionsBehind the flap at the left corner on the front DEC Symbols on your video recorder displayPage Phil AIntroductionDear Philips customer Supplied accessories SpecificationsEnergy consumption 16W Important notes regarding operation Special functions of your new video recorder Model no Preparing the remote control for operation BConnecting the video recorderConnecting your video recorder to the TV set Connecting with a scart cableMy TV offers me a selection menu for the scart socket Connecting with a scart cableAMy screen is empty Connecting without a scart cableSocket EXT.2 AV Connecting additional devicesAI do not see a test screen Programme number for video recorder operationInitial installation CInstalling your video recordingConnecting additional devices What is an on menu?Decoder Satellite receiverASound disruptions can occur on several TV channels BBC1 How can I switch off the decoder?What is a special channel? What is hidden behind the settings?Manual TV channel search What is NICAM? Using the satellite receiverAI dont know the channels for my TV stations Sorting TV channels automatically Follow TV AI cannot switch my TV set to programme numberDeleting sorting Monitor function Automatic TV channel searchDeleting TV channels Teletext clock resets automaticallyAThe main menu will appear on the screen Setting on menu languageATime/date is displayed incorrectly despite manual setting Setting the time and dateNavigation in the screen menu DImportant notes for operationGeneral information ETape ListAdding a cassette to the Tape List On the screen after Checking Cassette I see the message Why must I note the cassette number?How many cassettes can I save in the Tape List? AI see the message Tape LIST- Memory Full on the screenAI can see the message Tape LIST- Memory Empty Deleting symbolsSearching for a title in the Tape List AI want to cancel the searchWhat do the displays on the screen mean? AI see the message Insert Cassette X on the screenPress Clear CL Cassette contents are not deletedPlaying cassettes FPlaybackWhat does VHS mean? AI see TAPE- in the displayPlaying back Ntsc cassettes Automatic switch of special functionsDisplaying current tape position How can I set the counter to 00000?Still picture / slow motion Searching for a tape position with picture scanningAutomatic search for a tape position index search Instant ViewAThe cassette is ejected Automatic search for a blank space on the tapeOptimising tracking GEliminating picture interferenceOptimising still picture AI cannot reach optimal quality for the still pictureHManual recording Recording without automatic switchPreventing accidental erasing of cassettes Recording with automatic switch OTR OneDisplaying tape position How can I clear the recording time just setted?Selecting the recording speed SP or LP Lining up recordings assemble cutAutomatic controlled recording from a Switching off Record LinkSatellite receiver Record Link Direct Record AA search symbol appears in the display a moving symbolHow does Direct Record work? ANOTV appears in the displaySwitching Direct Record on or off What is VPS/PDC? IProgramming a recording TimerProgramming a recording with ShowView What do I need to know about VPS/PDC?Selecting onetime/daily/weekly recordings Switching on VPS/PDC in the Start input fieldAThe following message appears on the screen Select Prog Recordings Problems and solutions for programmedSTANDBY/ON m EXT.1 AV E1 or EXT.2 AV E2 Programming a recording without ShowViewProgramme numbers of the E1 and E2 scart socket Insert a cassette with an intact security tab unprotected Problem Problem solving for programmed recordingsProgramming a recording with Press Turbo TimerACLK will flash in the video recorder display Will flash Delete programmed recording How to check, change or delete a programmed recording TimerJOther functions How can I change back to Automatic SwitchChanging the video colour system Video colour systemsChild lock Switching the on display OSD off or onWill flash in the video recorder display Which settings can I choose? Switch off the clock displayHow can I switch on the clock display? Select Switching the remote control commandHow can I change back to VCR1? AThe main menu will not disappear and no message appearsContinuous playback Automatic switch AMy TV set will not switch off Using your video recorder remote control with your TV setAutomatic switch to Mono What goes on behind the settings?Selecting the sound channel Playing back an audio dubbingWhat is an modulator frequency? What is a modulator?KSuppressing interference Optimising the modulatorHow can I switch the modulator back on? Switching the modulator on / offHotline telephone numbers LBefore you call an engineerWith STANDBY/ON m BAttentionThere is picture or sound interference on TV reception