Hughes SD DVR40 User Manual page 19

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between viewing DIRECTV channels, viewing video from your DVD player, or running
your game system by changing the input source.
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Digital Audio: Dolby
Dolby
which can be heard on one of six separate speakers. To use Dolby
must use an optical audio cable to connect your DIRECTV DVR to an A/V receiver
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capable of supporting Dolby Digital audio. Not all A/V receivers with optical audio
inputs are capable of receiving Dolby
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record using Dolby Digital audio. For more information, see page 96.
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Surround Sound: Dolby
Dolby
which can be heard on two or more (usually five) speakers. To use Dolby
Sound audio, you must have an A/V receiver capable of supporting Dolby
Sound audio connected to your DVR using either L/R Audio cables or an optical audio
cable.
Digital PBX Phone System: Digital PBX phone systems allow many phones to share a
single telephone number and are usually used in hotels and office buildings. If you are
installing the DVR in your home, it is very unlikely that you are using a digital PBX phone
system. Do not connect your DVR to a digital PBX phone system. Doing so may
permanently damage your DVR's modem and will void your warranty.
Surge Protector: Surge protectors are devices that protect electronic equipment from
power fluctuations. Like all electronics equipment, your DVR can be damaged by
fluctuations in your line voltage. Purchasing a surge protector is highly recommended. If
you purchase a surge protector that allows you to plug in both your DVR's power and
your telephone cord, you may prevent damage to the parts of your DVR that are connected
to your phone line as well! Surge protectors can be purchased at hardware, electronics, or
general merchandise stores.
Digital audio is recorded on six separate channels, each of
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Digital audio. You must also set your DVR to
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Surround Sound audio is recorded on two channels,
C o n n e c t i n g
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Digital audio, you
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Surround
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Surround