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PT2500 rev (G) 10/23/96
11
Operation
OPERATION
1. Press the Power button 1 on the
front panel to turn the unit on.
• To use the remote for power on/off it is
necessary to turn the unit on from the
front panel switch and to leave the switch
in the “on” position. The PT2500 may
then be turned off using the Power but-
ton b on the remote. When the remote
is used to turn the unit “off” it is actually
placing the system in a standby mode, as
indicated by the amber color of the power
switch ring.
• If you will be away from home for an
extended period of time it is always a
good idea to completely turn the unit off
using the front panel Power button 1.
2. Select the desired program source
using the Input Selector Switches
9)fon the front panel or remote.
• To use a camcorder or video game
which is connected to the front panel
VCR2 input, press the VCR2 Sel button
2.
• When the selected input is VCR1, VCR2
or VDP the video signal for that input
will be routed to the MONITOR output
jacks ‹ and will be viewable on a TV
monitor connected to the PT2500. Make
certain that your TV set is set to the prop-
er “VIDEO” input to view the signal.
3. Choose a surround mode using the
Surround Mode Selector 6h
buttons on the front panel or remote. To
listen to traditional two channel stereo
press the Surround Off button 5h.
4. Adjust the Center Channel Mode
7o and/or Delay Time 4g if a
change is required from the setting
established during installation.
5. Adjust the volume to a comfortable
level using the front panel Volume
Control or remote Volume Up/Down
buttons ^n .
• To temporarily silence the system press
the Mute button m on the remote.
6. Adjust the Bass and Treble controls
!@ to suit your listening taste.
• To remove the tone controls from the
circuit, press the Direct button 3.
• At lower volume levels you may wish to
engage the Loudness button % to
boost low and high frequency sounds to
compensate for response of the human
ear at low listing levels (known as the
Fletcher-Munson hearing curve).
Surround Mode Options
Surround sound processing enables four
separate audio signals to be transmitted
within the left and right channels of a
videocassette, radio or TV broadcast, or
video disc. Through a process known as
matrix encoding a separate center chan-
nel signal for dialog and a surround
channel for effects are encoded into the
stereo signal. When you see the Dolby
Surround
™
, Dolby Stereo
™
, DTS Stereo
™
or other similar logos on a movie or
broadcast this indicates that the program
has surround information.
When the program you are listening to
has encoded surround information, as
shown by one of the logos or brand
names described above, select the
ProLogic mode using the front panel or
remote Surround Mode Selectors
6h.
If a center channel speaker is used along
with front left/right speakers, but no sur-
round speakers are used, choose the
Dolby 3 Stereo mode6h. This
combines the surround signal into the
front left and right channels to create a
greater feeling of presence and a more
expansive sound field than with conven-
tional stereo signals. Center channel dia-
log information will continue to be
heard through its proper place at center
screen.
When listening to conventional stereo
recordings or programs, those with sepa-
rate left and right channels but no inten-
tionally recorded surround information,
you may wish to experiment with the
surround modes to see which produces
the effect you prefer. Stereo recordings
often contain sufficient natural phase
differences so that the ProLogic or
Dolby 3 Stereo Modes are enjoyable,
despite the lack of true surround infor-
mation.
Stereo recordings may also sound more
expansive in either the Theater or
Stadium modes. Selecting these modes
6h uses the front left and right
speakers for normal stereo, while the sur-
round speakers are fed a reverberated
sound. In order to provide for a wider
variety of sound field effects, the sur-
round channel delay available in the
Theater and Stadium modes is substan-
tially greater than that in Dolby
ProLogic.
NOTE: The center channel speaker is
not operational in the Theater or
Stadium modes.
•PT2500(g).qx 10/23/96 7:36 AM Page 12