Sony TA-ZH1ES Manuel D'instructions page 20

3
Check that the indicator on the selected headphone jack lights up.
Tip
When selecting the PRE OUT L/R jacks, all the indicators on the headphone jacks turn off.
4
Press INPUT repeatedly to display the input name of the equipment
of the music source in the display window.
Equipment and input name
WALKMAN®/Smartphone: [WALKMAN]
Equipment with analog audio (LINE) output jacks: [ANALOG (LINE)]
Equipment with a digital coaxial output jack: [DIGITAL (COAX)]
Equipment with a digital optical output jack: [DIGITAL (OPT)]
5
Play the equipment of the music source.
6
Turn the volume knob to adjust the volume level.
Depending on the headphones, the volume may remain low. In this case, set GAIN to "H"
after tuning the volume down. In normal use, GAIN should be set at "L."
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