ElectrIQ eiq-SV50UHDT2SM Manual page 30

You can change the value of Treble and Bass when the
sound is in Personal mode. TIPS: You can press SMODE
button on the remote control to change the Sound Mode
directly.
Auto Volume level
Press ▼ / ▲ button to select Auto Volume Level, then press
◄ / ► button to select On or Off.
SPDIF Mode
Press ▼ / ▲ button to select SPDIF Mode, then press ◄ /
► button to select Off / PCM / Auto.
AD Switch
Press ▼ / ▲ button to select AD Switch, then press ◄ / ►
button to select On or Off. Amblyopia function for the blind,
the tracks will be mixed describe the current screen . It
need code stream to support.
NOTE:
Balance: This item can adjust the speaker's output, it
enables you to listen to best at your position.
Auto Volume: This item is used for reducing the difference
between channel and program's volume automatically.
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