Philips VR270B/07 Suppressing interference, Optimising the modulator, What is a modulator?

Page 37

Suppressing 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.

ENGLISH

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.

3	Press the STOP	button on	the remote control. Then press
	STOP/EJECT	until the	pre-set modulator frequency, e.g.
	'M583' appears in the display.

The video recorder will now transmit a test image on UHF channel 35/Frequency 583MHz.

4Change the modulator frequency with the 0-9number buttons on the remote control.

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

6Keep pressing OK until 'OK' appears in the display.

Optimising the modulator is now complete.

Suppressing interference	33

Image 37

Contents Table of contents VR 270B/07 VR 270W/07 Remote control Front of the device Additional TV functionsSymbols on your video recorder display Phil IntroductionDear Philips customer Supplied accessories SpecificationsVoltage 220-240V/50Hz Energy consumption Standby less than 4WImportant notes regarding operation Model no Important information for customers in Great Britain Preparing the remote control for operation Connecting 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 cableMy screen is empty Addition Connecting without a scart cableSTOP/EJECT You can find more details in chapter Initial Installation Connecting additional devicesDo not see a test screen Programme number for video recorder operationInitial installation Installing your video recording2001 Satellite receiver Manual TV channel search Search Press OK Using P Or PConfirm with OK CH will flash in the video recorder display Automatic TV channel search Using the satellite receiverMonitor function CH21Sorting and clearing TV channels manually Select Allo Manual TV channel search withSetting the time and date Or programmed recordings Power consumption is less than 4W You can switch on the video recorder with the STANDBY/ONImportant notes for operation 9or by putting in a cassettePlayback To stop the playback, press Stop on the remote control or000 Playing cassettes00002 03021Searching for a tape position with picture scanning Still pictureInstant View 03002Automatic search for a tape position index search 00000 It automatically switches to pauseAutomatic search for a blank space on the tape Press Index . Then press Stop . This will, for exampleOptimising tracking Eliminating picture interferenceOptimising still picture Until Trac TRACkingAutomatic switch-off Recording without automatic switch-offManual recording General informationPreventing accidental erasing of cassettes Record Press Record on the remote controlLining up recordings assemble cut Record you will add 30 minutes to2000 Programming a recording TimerProgramme recordings Recorder is switched off with STANDBY/ON Problem solving for programmed2200 RecordingsProgramming a recording with Press Turbo TimerVideo recorder display Problems and solutions for programmed recordingsPress Clear CL 2000 2200Delete programmed recording Other functions How can I change back to Automatic Switch-over?Changing the video colour system Video colour systemsWill flash in the video recorder display Child lockAutomatic switch-off What is an modulator frequency? What is a modulator?Suppressing interference Optimising the modulatorHow can I switch the modulator back on? Switching the modulator on / offKeep pressing OK , until OK briefly appears in the display Before you call an engineer Problem