Alpine CDA-9830 - Manual (Page 27)

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Connecting to an External Amplifier
POWER-IC ON (Initial setting) / POWER-IC OFF
When an external amplifier is connected, sound quality can be
improved by stopping the power supply of the built-in amplifier.
POWER-IC OFF : Use this mode when the front and rear pre-
amplifier of the unit are used to drive an external amplifier
connected to the speakers. In this setting, the head unit’s
internal amplifier has no output to drive speakers.
POWER-IC ON : The speakers are driven by the built-in amplifier.
• No sound is produced by the system when the power output is
set to OFF.
Setting the Temperature Display for the
External Amplifier (CDA-9831 only)
A-LINK TEMP °F(Initial setting) / °C
When a separately sold Amplifier Link compatible amplifier is
connected, you can set how to display its temperature. You can switch
the setting between Fahrenheit and Celsius.
°F : The temperature is displayed in Fahrenheit.
°C : The temperature is displayed in Celsius.
Setting the Tone Defeat for External Devices
INT AUDIO ON / INT AUDIO OFF (Initial setting)
When inputting external devices to this unit, turning tone defeat on
will bypass EQ and MX, i.e., sound for external devices is output at
the default setting.