STR-DG720 - Sony Audio Service Manual (repair manual). Page 7

US

a)

The number 5, MASTER VOL +, TV VOL +, and 
H buttons have tactile dots. Use the tactile dots 
as references when operating the receiver.

b)

This button is also available for DIGITAL MEDIA 
PORT adapter operation. For details on the 
function of the button, refer to the operating 
instructions supplied with the DIGITAL MEDIA 
PORT adapter.

• Some functions explained in this section may not 

work depending on the model.

• The above explanation is intended to serve as an 

example only. Therefore, depending on the 
component, the above operation may not be 
possible or may operate differently than described.

S

z

Press to input the decimal 
point for channel numbers of 
the Digital CATV terminal. 
Press 

z

 and TV (

M) at the 

same time to input the decimal 
point for the channel numbers 
of the TV.

Press to select track numbers 
over 10 of the CD player.

Press to clear a mistake when 
you press the incorrect 
numeric button.

T Numeric 

Press to 
– preset/tune to preset 

stations. 

– select track numbers of the 

CD player, DVD player or 
Blu-ray disc player. Press
0/10 to select track number 
10.

– select channel numbers of 

the VCR or satellite tuner.

Press the numeric buttons and 
TV (

M) at the same time to 

select the TV channels.

U TV INPUT

Press TV INPUT and TV (

M)

at the same time to select the 
input signal (TV input or 
video input).

Press to activate the Sleep 
Timer function and the 
duration which the receiver 
turns off automatically.

GB

?/1

9

q;

8

4

5

6

7

qd

qf

qg

qh 

qj

qk

ql

1

3

2

qa

qs

A ?/1

Press to turn the receiver on 
or off (page 27, 35, 36, 56).

B SPEAKERS

Press to select the front 
speaker system (page 28).

C TUNING 

Press or turn to operate the 
tuner (FM/AM) (page 57).

D Display

The current status of the 
selected component or a list 
of selectable items appears 
here (page 7). 

E Remote 

Receives signals from remote 
commander.

F DISPLAY

Press to select information 
displayed on the display 
(page 72).

G INPUT MODE Press to select the input mode 

when the same components 
are connected to both digital 
and analog jacks (page 68).

H MASTER

Turn to adjust the volume 
level of all speakers at the 
same time (page 33, 34, 35, 
36).

I MUTING

Press to turn off the sound 
temporarily. 
Press MUTING again to 
restore the sound (page 34).

J ANALOG 

Press to listen to high quality 
analog sound (page 56).

K INPUT 

Turn to select the input 
source to play back (page 34, 
35, 36, 56, 57, 59, 60, 68, 71, 
73).

GB

L 2CH

Press to select a sound field 
(page 51).

M SUR BACK 

Press to select the surround 
back decoding mode (page 
43).

N SLEEP

Press to activate the Sleep 
Timer function and the 
duration which the receiver 
turns off automatically (page 
72).

O DIMMER

Press to adjust the brightness 
of the display (page 50).

P MEMORY/

Press to store a station or 
enter the selection when 
selecting the settings (page 
27, 59).

Q VIDEO 2 IN/ 

Connects to a portable audio/
video component such as a 
camcorder or video game 
(page 24, 34).

R AUTO CAL 

Connects to the supplied 
optimizer microphone for the 
Auto Calibration function 
(page 29).

S PHONES jack Connects to headphones 

(page 78).

7

GB

;

;

;

1

2

3

4

5

6

7

9

8

q;

qa

qg

qd

qf

qs

A SW

Lights up when sub woofer 
selection is set to “YES” (page 
47) and the audio signal is 
output from the SUB 
WOOFER jack.

B LFE

Lights up when the disc being 
played back contains an LFE 
(Low Frequency Effect) 
channel and the LFE channel 
signal is actually being 
reproduced.

C SP A/SP B

Lights up according to the 
speaker system used. However, 
these indicators do not light up 
if the speaker output is turned 
off or if headphones are 
connected.

D ; D/

; D EX

“

; D” lights up when the 

receiver is decoding Dolby 
Digital signals.
“

; D EX” lights up when the 

receiver is decoding Dolby 
Digital Surround EX signals.
Note
When playing a Dolby Digital 
format disc, be sure that you 
have made digital connections 
and that INPUT MODE is set 
to “AUTO” (page 68).

E ; PL/

; PLII/

; PLIIx

“

; PL” lights up when the 

receiver applies Pro Logic 
processing to 2 channel signals 
in order to output the center and 
surround channel signals. 
“

; PLII” lights up when the 

Pro Logic II Movie/Music/
Game decoder is activated.
“

; PLIIx” lights up when the 

Pro Logic IIx Movie/Music/
Game decoder is activated.
However, these indicators do 
not light up if both the center 
and surround speakers are set to 
“NO” (page 40) and you select 
a sound field using the A.F.D. 
button.
Note
Dolby Pro Logic IIx decoding 
does not function for DTS 
format signals or for signals 
with a sampling frequency of 
more than 48 kHz.

F OPT

Lights up when INPUT MODE 
is set to “AUTO” and the 
source signal is a digital signal 
being input through the 
OPTICAL jack (page 68).