Technical Information - JVC LT-42A80SU Instructions Manual

Technical information

Power supply for the indoor aerial
When using an indoor aerial which needs external power, set "Antenna Power" to "On" during "Initial settings" (P. 11).
The TV will supply DC 5V 50mA (max) from the aerial socket through the cable to the aerial.
Supplying power to outdoor and indoor aerials which does not need external power, may cause damage to the
aerial. If you are uncertain whether the aerial needs external power, select "Off".
Connect the aerial directly to the TV. When a recording device is connected between the aerial and the TV,
power can not be supplied to the aerial.
Power is supplied to the aerial only when the TV is on.
To change the setting after "Initial settings" is complete
Digital channels that cannot be watched on this TV
If a digital channel service uses new formats (such as DVB-H or MPEG4, etc.), or MHP, it cannot be watched even
though the channel name appears.
If the channel is selected, the picture will not appear and audio cannot be heard.
You can delete these channels by using the "Delete" in the "Edit PR".
"Editing digital channels" (P.45)
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(continued)
"Antenna Power" (P. 41)
"Dolby Digital" output from the "DIGITAL AUDIO OUT" terminal
Some digital channels are broadcasted with "Dolby Digital" signals.
In these cases, "Dolby Digital" signals can be output from the "DIGITAL AUDIO OUT" terminal.
1. Connect an audio system with a "Dolby Digital" decoder. (P. 10)
2. Change the "Digital Audio Output" setting from "PCM" to "Dolby Digital". (P. 41)
When changing the setting, the message "Dolby Digital selected! No analogue audio available." may be
displayed for a few seconds.
Each time the channel is changed to a channel that is broadcast with "Dolby Digital" signals, the message
"Dolby Digital selected! No analogue audio available." may be displayed for a few seconds.
Even if "Dolby Digital" is set, "linear PCM" signals will be output by a channel that is not broadcast with "Dolby
Digital" signals.
Set the audio system so that it is compatible with both "Dolby Digital" and "linear PCM". (For details, refer to
the audio system instruction manual.)
When you want to temporarily change the setting from "Dolby Digital" to "PCM", change with the "Audio
Selection" menu (P. 29).
Set "Digital Audio Output" to "PCM" in the following cases.
The sound of a channel broadcast with "Dolby Digital" signals cannot be heard even when "Dolby
Digital" is set.
When listening with the TV speakers.
When listening with an audio system that does not have a "Dolby Digital" decoder.
When recording a programme.
If a language with "(Dolby)" is selected when "(Dolby)" is displayed in the "Audio Selection" menu
(P. 29), the "Digital Audio Output" setting can be temporarily changed from "PCM" to "Dolby
Digital".
A message recommending you to change the "Digital Audio Output" setting to "Dolby Digital" is displayed for
a few seconds.
If you want to record a "Dolby Digital" signal using timer-record (P. 27), change the "timer-record
setting" from "PCM / Analogue" to "Dolby Digital". However, if the setting is changed to "Dolby
Digital", you cannot record analogue sound with a recording device that is connected to the EXT-2
terminal.
"Dolby" and the double-D symbol are trademarks of Dolby Laboratories.
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