50
RQT7540
Ref
e
re
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Troubleshooting guide
Sound (Continued)
Page
Operation
Recording and timer recording
Cannot switch audio.
≥
You cannot change the audio type when a DVD-R is in the disc tray.
≥
You have used a digital connection. Set “Dolby Digital” to “PCM” or connect using audio
cables (analog connection).
≥
There are discs which audio cannot be changed because of how the disc was created.
—
—
Cannot operate the television.
The remote control doesn’t
work.
≥
Change manufacturer code. Some televisions cannot be operated even if you change the
code.
≥
The remote control and main unit are using different codes. Change the code on the remote
control.
Press and hold [ENTER] and the indicated number
button at the same time for more than 2 seconds.
≥
The batteries are depleted. Replace them with new ones.
≥
Coloured glass may obstruct the signal reception/transmission.
≥
Don’t place the signal sensor in direct sunlight or in areas that may be subject to sunlight
exposure.
≥
The child lock function is activated.
—
—
The unit is on but cannot be
operated.
≥
Some operations may be prohibited by the disc.
≥
The unit is hot (“U14” appears on the display). Wait for “U14” to disappear.
≥
One of the unit’s safety devices may have been activated.
Reset the unit as follows:
Press [
Í
/I] on the main unit to switch the unit to standby.
If the unit doesn’t switch to standby, press and hold [
Í
/I] on the main unit for about 10
seconds. The unit is forcibly switched to standby.
Alternatively, disconnect the AC mains lead, wait one minute, then reconnect it.
—
—
—
Cannot eject disc.
≥
The unit may have a problem. While the unit is off, press and hold [
∫
] and [CH
W
] on the
main unit at the same time for about 5 seconds. Remove the disc and consult the dealer.
If the Child Lock function is activated, above operation does not work. Cancel the Child Lock
function.
Cannot tune channels.
Cannot download channel
presets.
≥
Check the connections.
≥
You must connect to a television equipped with the Q Link function with a fully wired 21-pin
Scart lead to download channel presets.
—
Cannot record.
≥
You haven’t inserted a disc or the disc you inserted cannot be recorded on. Insert a disc the
unit can record onto.
≥
The disc is un-formatted. Format the disc.
[RAM]
≥
The write-protect tab on the cartridge is set to PROTECT, or the disc is protected with DISC
MANAGEMENT.
≥
Some programmes have limitations on the number of times they can be recorded (CPRM).
≥
The disc is full or nearly full. Erase un-needed titles or use another disc.
≥
You cannot record on finalized DVD-R discs.
≥
Due to peculiarities of DVD-R, you may be unable to record onto them if you either insert
and remove the disc or switch the unit on and off while a disc is loaded, a total of fifty times.
≥
A DVD-R recorded on this unit may not be recordable on other Panasonic DVD recorders.
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—
—
Timer recording does not
work properly.
VIDEO Plus+ programming
does not work properly.
≥
The timer programme is incorrect or different timer programme times overlap. Correct the
programme.
≥
The unit is not on timer recording standby. (“
F
” on the unit’s display is not on.) Press
[
F
TIMER].
≥
Set the clock.
Timer recording does not stop
even when [
∫
] is pressed.
≥
While using timer recording, press [
F
TIMER]. (“
F
” disappears.)
≥
When using the linked timer recording with external equipment, press [EXT LINK]. (“Ext
Link” disappears.)
The timer programme remains
even after recording finishes.
≥
The timer programme remains if set to daily or weekly.
A part or whole of a recorded
title has been lost.
≥
If there is a power failure or the plug is disconnected from the household AC mains socket
while recording or editing, the title may be lost or the disc may become unusable.
You will have to format the disc (
[RAM]
) or use a new disc. We cannot offer any guarantee
regarding lost programmes or discs.
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7540en.book 50 ページ ２００４年２月１０日 火曜日 午後１２時５８分
