Panasonic Diga DMR-BW850 Operating Instructions Manual page 110

Troubleshooting guide
Sound
No sound.
Low volume.
Distorted sound.
Cannot hear the desired audio type.
Check the connections and the "Digital Audio Output" settings.
Check the input mode on the amplifi er if you have connected
one. (➡ 16, 17, 89, 98–101)
Press [AUDIO] to select the audio. (➡ 37)
Turn "Sound Effects" in the Sound menu to "Off" in the following
cases. (➡ 79)
– When using discs that do not have surround sound effects
such as Karaoke discs.
– When playing bilingual broadcast titles.
Audio may not be heard when more than 4 devices are
connected with HDMI cables. Reduce the number of connected
devices.
The sound effects will not work when the bitstream signal is
output from the HDMI AV OUT terminal or the DIGITAL AUDIO
OUT terminal.
To output audio from a device connected with an HDMI cable,
set "HDMI Audio Output" to "On" in the Setup menu. (➡ 91)
Depending on the connected equipment, the sound may be
distorted if this unit is connected with an HDMI cable.
When "BD-Video Secondary Audio" is set to "On", Dolby Digital
Plus and Dolby TrueHD are converted to 48 kHz Dolby Digital
and output or DTS-HD is converted to 48 kHz DTS and output.
In this case, set "BD-Video Secondary Audio" to "Off". (➡ 89)
Cannot switch audio.
You cannot switch the audio in the following cases.
– When the recording mode is XP and "Audio Mode for XP
Recording" is set to "LPCM". (➡ 89)
– When "Rec for High Speed Copy" is set to "On". (The default
setting is "On"). (➡ 88)
The amplifi er is connected using an optical digital audio cable,
a coaxial cable or an HDMI cable. You cannot switch the audio
if "Dolby D/Dolby D +/Dolby TrueHD", "DTS/DTS-HD", "MPEG"
or "HE-AAC" is set to "Bitstream" or "Bitstream (DTS)". Set
"Digital Audio Output" to "PCM" or connect using audio cables.
(➡ 89, 98)
There are discs for which audio cannot be changed because of
how the disc was created.
RQT9433
110
Operation
Cannot operate the television. The remote control
doesn't work.
Change the manufacturer code. Some televisions cannot be
operated even if you change the code. (➡ 97)
The remote control and main unit are using different codes.
Change the code on the remote control. (➡ 92)
Press and hold [OK] and the indicated
number button at the same time for
more than 5 seconds.
The batteries are depleted. Replace them with new ones. (➡ 3)
You are not pointing the remote control at the main unit's
remote control signal sensor during operation. (➡ 3)
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.
Software is updating when "UPD
unit's display. Wait until the update is completed. (➡ 96)
It may be necessary to set the code on the remote control
again after changing the batteries. (➡ 92)
It may be necessary to set the manufacturer code again after
changing the batteries. (➡ 97)
The child lock function is activated. (➡ 97)
The unit is on but cannot be operated.
Recording drive or playback drive has not been selected
properly.
Some operations may be prohibited by the disc.
The unit is hot ("U59" appears on the display). Wait for "U59" to
disappear.
One of the unit's safety devices may have been activated.
Reset the unit as follows:
1 Press [ 8 ] on the main unit to switch the unit to standby.
If the unit doesn't switch to standby, press and hold [ 8 ] on
the main unit for about 3 seconds. The unit is forcibly
switched to standby.
Alternatively, disconnect the AC mains lead, wait one
minute, then reconnect it.
2 Press [ 8 ] on the main unit to switch it on. If the unit still
cannot be operated, consult the dealer.
Cannot eject disc.
The unit is recording.
The unit may have a problem. While the unit is off, press and
hold [ g ] and [CH 1 ] 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. (➡ 97)
Cannot tune channels.
Cannot download channel presets from the
television.
Check the connections. (➡ 16, 100, 101)
You must connect to a VIERA Link (HDAVI Control 3 or later)
compatible TV with an HDMI cable to download channel presets.
Startup is slow.
Make sure that "Power Save" is set to "Off". (➡ 93)
Startup takes time in the following situations:
– A disc other than a DVD-RAM is inserted.
– The clock is not set.
– Immediately after a power failure or the AC mains lead is
connected.
– When the unit is connected with an HDMI cable.
/ " is displaying on the