Sony STR-ZA5000ES Operating Instructions Manual page 6

Useful functions
Feature Description
Easy and accessible The receiver can display 16 digits on 2 lines, allowing
you to make settings without a monitor.
operations
The CUSTOM PRESET button allows you to call up
various settings all at once.
Flexible functions The Pass Through function outputs HDMI signals to
the TV, even when the receiver is in standby mode.
The function allows you to play back video and audio
mixed from different inputs.
Switchable speaker Speakers of both 4Ω impedance and 8Ω impedance
can be connected. The impedance can be selected in
impedance
the Speaker Setup menu.
Notes on the speaker impedance
 If you are not sure of the impedances of the speakers, refer to the
operating instructions supplied with your speakers. (This
information is often on the back of the speaker.)
 When you connect speakers all with a nominal impedance of
8 ohms or higher, set "Speaker Impedance" to "8 Ω." When
connecting other types of speakers, set it to "4 Ω."
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