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4
BEFORE USE
READ THIS BEFORE OPERATION
1. Choose the installation location of your unit carefully.
Avoid placing it in direct sunlight or close to a source
of heat. Also avoid locations subject to vibration and
excessive dust, cold or moisture.
2. The ventilation holes should not be covered. Make
sure there is enough space above and beside the
amplifier/receiver (about 4 inches). Do not place a
CD player or other equipment on top of the
amplifier/receiver.
3. Do not open the cabinet as this might result in
damage to the circuitry or electrical shock. If a
foreign object gets into the set, contact your dealer or
authorized service center.
4. When removing the power plug from the wall outlet,
always pull directly on the plug, never on the cord.
5. Do not attempt to clean the unit with chemical
solvents as this might damage the finish. Use a clean,
dry cloth.
6. Keep this manual in a safe place for future reference.
Back-up Memory Function
This is the function that preserves the preset memory and
most-recent memory function. In the event of a power
failure, or if the power cord of this unit is disconnected
from the electric outlet, the back-up memory will
preserve the preset memory and most-recent memory
functions for as long as approximately 1 week.
If the power supply is interrupted for 7 days or longer, the
memory settings will be erased.
When to use RESET switch
1. When this system is subjected to an electrical shock.
2. When the power is interrupted.
In this case, try the following:
Switch on the POWER, use a paper clip to press the
RESET button for more than 3 seconds duration.
POW ER
STANDBY
PHONES
MUTE
WOOFE R
ON/OFF DIMMER
DIGITAL
IN
SURROUND
MODE STEREOPROLOGIC
DTS/
DOLBY DIGITAL
AV 3 IN
OPTICAL S-VIDEOVIDEO AUDIO
IN PUT SEL ECTO R
DOLBY DIGITAL/DTS AV RECEIVER PT-690A
MASTER VOLUME
LR
ON OFF
POWER ON/OFF
RESET
Note: If the RESET button is pressed for more than 3
seconds, all the current set up memory will be erased.
BEFORE CONNECTION
Caution
Turn off the power of all the equipment before making
connections.
Read instructions of each component you intend to
connect to this unit.
Be sure to insert each power plug securely. To
prevent hum and noise, do not bundle the
interconnection leads with power cord or speaker
leads.
Speaker Connections
Caution:
To avoid damaging the speakers with a sudden high-level
signal, be sure to switch the power off before connecting
the speakers.
Check the impedance of your speakers.
Connect speaker with an impedance of 8 ohms or
more. The amplifier’s red speaker terminals are the +
(positive) terminals and the black terminals are the –
(negative) terminals.
The + side of the speaker cable is marked to make it
distinguishable from the – side of the cable. Connect
this marked side to the red + terminals and the
unmarked side is the black terminal.
Prepare the speaker cords for connection by stripping
off approximately 10 mm or less (no more as this
could cause a short-circuit) of the outer insulation.
Twist the wires tightly together so that they are not
straggly.
How to connect
Red: positive (+)
Black: negative (-)
1
2
3
1. Unscrew the knob
2. Insert the speaker cable.
3. Tighten the knob and secure the cable.