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Before operating this unit
Setting the AM tuning step frequency
(Worldwide models only)
Worldwide models are equipped with a switch that controls the AM
band tuning steps. Please set this switch to match the AM band tun-
ing step frequency in your area.
U.S.A. and Canada : 10 kHz
Other areas : 9 kHz
Setting the Voltage selector
(Worldwide models only)
Worldwide models are equipped with a voltage selector to conform
with local power supplies. Be sure to set this switch to match the
voltage of the power supply in your area before plugging in the unit.
1. Determine the proper voltage for your area: 220-230 V or 120
V.
2. If the preset voltage is not correct for your area, insert a screw-
driver into the groove in the switch. Slide the switch all the way
to the right (120 V) or to the left (220-230 V), whichever is ap-
propriate.
R
V
L
R
L
R
L
R
L
R
L
VIDEO-1
OUT
IN
VIDEO-2
VIDEO-3
OUT
IN
IN
TAPE
VIDEO
S VIDEO
OSD SELECTOR
(REC)
OUT
IN
(PLAY)
DIGITAL OUTPUT
DIGITAL INPUT
COAXIAL
1
COAXIAL
2
OPTICAL
1
OPTICAL
2
OPTICAL
FRONT
FRONT
CENTER
SUB
WOOFER
SURROUND
FRONT
CENTER
CD
PHONO
SUB
WOOFER
SURROUND
AMP IN
PRE OUT
GMD
MONITOR
OUT
S
V
S
REMOTE
CONTROL
IN
DVD
LRLR
LR
SURROUND SPEAKERS
FRONT SPEAKERS A
CENTER
SPEAKER
FRONT SPEAKERS B
MULTI CHANNEL
INPUT
AV RECEIVER
CAUTION: SPEAKER IMPEDANCE
6 OHMS MIN. / SPEAKER
ANTENNA
AM
FM
75
AC OUTLETS
AC 230V 50Hz
SWITCHED
TOTAL 100W MAX.
120V
VOLTAGE SELECTOR
220-230V
10 kHz
AM FREQUENCY STEP
9 kHz
MODEL NO.
TX-DS777
120V
VOLTAGE SELECTOR
220-230V
10 kHz
AM FREQUENCY STEP
9 kHz
3
2
1
30˚
30˚
Remote control sensor
Receiver
STANDBY indicator
approx. 5 m
(16 feet)
Installing the remote controller batteries
1. Remove the battery compartment cover by pressing the tab and
lifting up the cover.
2. Insert two AA (R6- or UM-3)-size batteries into the battery
compartment. Carefully follow the polarity diagram (positive
(+) and negative (–) symbols) inside the battery compartment.
3. After batteries are installed and seated correctly, replace the
compartment cover.
Notes
• Do not mix new batteries with old batteries or different kinds of
batteries.
• To avoid corrosion, remove the batteries if the remote controller
is not to be used for a long time.
• Remove dead batteries immediately to avoid damage from cor-
rosion. If the remote controller doesn’t operate smoothly, re-
place both the batteries at the same time.
• The life of the batteries supplied is about six months but this will
vary depending on usage.
Using the remote controller
Point the remote controller toward the remote control sensor.
The STANDBY indicator lights up when the unit receives a signal
from the remote controller.
Notes
• Place the unit away from strong light such as direct sunlight or inverted
fluorescent light which can prevent proper operation of the remote con-
troller.
• Using another remote controller of the same type in the same room or
using the unit near equipment which uses infrared rays may cause op-
erational interference.
• Do not put any object such as a book on the remote controller. The but
tons of the remote controller may be pressed by mistake and drain the
batteries.
• Make sure the audio rack doors do not have colored glass. Placing the
unit behind such doors may prevent proper remote controller operation.
• If there is any obstacle between the remote controller and the remote
control sensor, the remote controller will not operate.