Yamaha R-840 - Инструкция по эксплуатации - Страница 75

SYSTEM OPERATIONS

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BASIC OPERATIONS

Follow the procedure below to select an input source and adjust the sound settings on the system.

1

Press   (On/Standby) to turn on the receiver.

Depending on input mode of the receiver, the DVD 
player also turns on by the system control connection 
(

☞

p.8). The front panel display lights up.

y

This system has an auto-standby function (

☞

p.35) which 

automatically sets it to standby mode if not operated for 
30 minutes while the receiver is set to DISC/USB input mode.

2

Press one of the input selection keys (or 
rotate INPUT on the front panel) to select the 
desired input source.

3

Start playback on the selected source 
component or select a radio station.

For information on the disc/USB device playback, 
see page 19, and for information on tuning, see 
page 29.

4

Press VOLUME +/– (or turn VOLUME on the 
front panel) to adjust the volume to the 
desired output level.

5

Rotate BASS, TREBLE, or BALANCE on the 
front panel of the receiver to adjust the 
following settings.

BASS: 

Adjusts the low frequency response.

TREBLE: 

Adjusts the high frequency response.

BALANCE: 

Adjusts the volume level of each left 
and right speaker channel.

■

Pure Direct mode

Pure Direct mode bypasses the tone control circuit and 
turns off the front panel display, allowing you to enjoy 
pure high-fidelity sound.

Press PURE DIRECT (or PURE DIRECT on the 
front panel) to turn on Pure Direct mode.

The front panel display automatically turns off. PURE 
DIRECT on the front panel is backlit in blue.

Notes

• If you carry out operations while Pure Direct mode is turned on, 

the front panel display lights up briefly to acknowledge the 
command.

• While the Pure Direct mode is turned on, neither BASS, 

TREBLE, nor BALANCE is available.

SYSTEM OPERATIONS

INPUT

BASS

PHONES

VOLUME

MIN

MAX

TREBLE

BALANCE

PRESET

PURE DIRECT 

L

R

TP

TIMER

USB

INPUT

 (On/Standby)

VOLUME

PURE 
DIRECT

BASS

BALANCE

TREBLE

 (On/Standby)

VOLUME +/–

Input selection

keys

PURE DIRECT

MUTE

Basic system operations