Yamaha NS-P400 Owner's Manual download pdf (Page 12)

1 OUTPUT (TO SPEAKERS) terminals

Can be used for connections with the main speakers.

These terminals send signals output from the amplifier to

the main speakers directly.

2 INPUT1 (FROM AMPLIFIER) terminals

Used to connect this unit with the speaker terminals of the

amplifier.

3 INPUT2 terminals

Used to input line level signals from the amplifier.

4 AUTO POWER ON/OFF switch

By setting this switch to the ON position, this unit’s

automatic power ON/OFF function operates as described

below. If you do not need this function, set to the OFF

position.

* Make sure to change the setting of this switch only when

this unit is in the standby mode.

5 POWER indicator

Lights in green when the POWER switch is turned on, and

goes off when turned into the standby mode.

* Standby mode

If the AUTO POWER ON/OFF switch on the rear panel

is set to ON, this indicator lights in red when no signal

is input to this unit.

6 POWER switch

Turns the power to this unit on and turns this unit into the

standby mode alternately whenever pressed. When this

switch is turned on, the POWER indicator over the

POWER switch lights up.

7 VOLUME control

Adjusts the volume level.

8 HIGH CUT control

Adjusts the high frequency cut off point.

Frequencies higher than the frequency selected by this

control are all cut off (and not output).

* One graduation of this control represents 10 Hz.

Automatic power ON/OFF function

When you play a source, the power to this unit turns on

automatically by sensing audio signals input to this unit.

This unit turns into the standby mode automatically if the

source being played is stopped or the input signal is cut off

for several minutes.

This function will operate responding to a certain level of

low frequency input signal. Increase the output level on

the input source if the automatic power ON function will not

operate, or decrease the level if the automatic power OFF

function will not operate.

* There may be a case that the power turns on

unexpectedly by sensing noise from other appliances. If

it occurs, set the AUTO POWER ON/OFF switch to the

OFF position.

* The level of low frequency input signal differs with each

source, and each different part on the same source. So,

this function may not operate properly depending on

some source.

This function is available only when the power of this

unit is on (by setting the POWER switch (

6) to “on”).

USING THE SUBWOOFER (SW-P40)

OUTPUT

TO SPEAKERS

INPUT1

FROM AMPLIFIER

INPUT2

ON OFF

AUTO

POWER

2 3 4

POWER

VOLUME

0I0

HIGH CUT

50Hz I50Hz

50Hz

60 140

70 130

80 120

90 110

100

I50Hz

Side panel

CONTROLS AND THEIR FUNCTIONS

Rear panel

1 2 ... 7 8 9 10 11 12 13 14 15 16 17 18

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Yamaha NS-P400 Owner's Manual Page 12

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