Inputs & Outputs System Connections - Adcom GTP-860 Owner's Manual

1.2 Inputs & Outputs System Connectiotns
Like the front panel, the GTP-860's rear panel is carefully
arranged to make hookup, configuration, and use as sim-
ple as possible. However, the GTP-860's capabilities take
some study to use most effectively. We strongly suggest
that you read this section of the manual before beginning
to hook up your system. You will save yourself much time
and effort if you carefully think out what you expect from
your system: consider the components you will use, where
they'll be placed, and how you will want them to work
together. The diagrams and notes in this section will prob-
ably answer most of your questions about interfacing the
GTP-860 with other components in your system.
Note that the GTP-860's RCA-style jacks have color-coded
centers to make connections easier. Use this key to help route
cables properly:
RED centers = RIGHT CHANNEL ANALOG
AUDIO inputs or outputs
WHITE centers = LEFT CHANNEL ANALOG
AUDIO inputs or outputs
YELLOW centers = VIDEO inputs (composite)
BLACK centers = DIGITAL AUDIO inputs and
CENTER CHANNEL and
SUBWOOFER inputs and outputs
[ 14 ] Antenna Connections
AM Antenna: An AM loop antenna is supplied with the
GTP-860 and is required for AM reception. Open the clip
terminal lever and insert the wire from the antenna.
Closing the lever will lock the wire in place. Test various
positions for the antenna, but always ensure the loop is
placed vertically for best reception. Placing the antenna
close to large metal items such as metal shelves or
radiators may interfere with reception.
NOTE: When reception is not satisfactory using the supplied
AM loop antenna alone, connection of an external antenna is
recommended. The antenna cable to the loop antenna must not
exceed three meters.
12 | ADCOM GTP-860 OWNER'S MANUAL
FM Antenna: A ribbon wire FM antenna is included and
should be connected to the FM connector at the rear of
the unit using the 'balun' adapter supplied. The ribbon
aerial should be mounted on a vertical surface and placed
so that it forms a 'T'.
Experiment with placement of the antenna to find the
position that gives the best signal strength and low-
est background noise. An inadequate FM signal normally
results in high levels of hiss, especially in stereo, and
interference from external electrical sources. In areas of
poor FM reception, the tuner section's performance can
be improved by using an externally mounted FM antenna.
A qualified aerial installer will be able to advise and fit a
recommended aerial for your reception conditions.
[ 15 ] Preamp Outputs
Before making any connections, check that the GTP-860
and the power amplifiers it will be connected to are
switched off. Connect the RCA-to-RCA leads from the
Front Left and Right, Center, Surround Rear Left and
Right, and Surround Back Left and Right Preamp Outputs
to your external amplifiers. The subwoofer preamp output
allows for connection to a sub-bass speaker system with
its own external or integrated power amplifier ("active"
or "powered" subwoofers).
With volume turned down to a low level, switch power on
only after all connections have been made.
[ 16 ] Auxiliary Outputs
The auxiliary outputs allow a line level connection to
various devices, such as an audio system in another room.
The output is the selected source.
[ 17 ] Monitor Outputs
Composite Video and S-Video outputs are for connecting
a TV or Video Monitor to view video sources connected to
Video 1 through Video 5. Using a Video RCA-to-RCA lead or
S-Video, connect the 'Video Line In' on the TV or monitor
to the MONITOR OUT.
Note that an S-video input signal will also be available as
a composite video signal on the Monitor out if the corre-
sponding source is selected. Composite video input
signals will also be available as S-Video signals on the
Monitor output.