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960L Owner's Maunal
Installation
Mounting
The 960L mounts in stationary racks with four screws.
Make sure the 960L Mainframe is securely screwed into
the rack. For moving and in roadcases, be sure that
support is provided for the rear of the chassis to avoid
possible damage.
Ventilation
Provide adequate ventilation if the 960L is mounted in a
closed rack with heat-producing equipment such as
synthesizer modules, effects units, or power amplifiers.
Avoid mounting the 960L Mainframe directly above
power amplifiers.
Location
It may be desirable to place the 960L Mainframe in a
location remote from the listening environment. The
mainframe can be located up to 1,000 feet from the
LARC2 controller with a remote power pack. See
Chapter 2 for more information.
IEC Power Connector
The 960L is equipped with a 3-pin IEC power connector
and detachable cord, providing chassis grounding to
the AC mains line. Plug the female end of the power
cord into the 960L mainframe and the male end into a
wall outlet.
Mains Voltage Selector
If your 960L has a mains voltage selector switch as
shown in Figure 1-4, be sure the setting matches
your local voltage before connecting the Mainframe
to the mains.
115
Figure 1-4 (a) — Setting for
100-120 V AC
Use a flat screwdriver to move the switch to the desired
voltage.
If there is no selector switch (Figure 1-5), it does not
need setting and will operate on mains voltages from
100-240 VAC.
Analog Audio Connections
For best results, the 960L should be connected to your
console's Aux sends/returns, with wet/dry mixing and
most input settings performed at the console. However,
controls are provided within the 960L for situations
where this is not possible or convenient.
For
optimal
connections, and use high-quality, low-capacitance,
shielded, twisted-pair cables, such as Belden 8412
(microphone cable with braided shield) or Belden 9461
(foil shield).
All connections should be Pin 2 high. For unbalanced
operation, Pins 1 and 3 should be grounded. For mono
inputs in a stereo configuration, connect the left and
right input channels in parallel. Be careful to keep inputs
and outputs of all channels wired consistently. Out-of-
phase wiring can produce audible effects.
For I/O panning and level control, see Chapter 4,
Operations in Detail. All signals sent to the analog
outputs are also sent to the digital outputs.
Important:
Analog I/O connectors must be wired consistently
(we recommend Pin 2 high), or channels will be out
of phase.
230
Figure 1-4 (b) — Setting for
220-240 V AC
The Mainframe
performance,
maintain
Figure 1-5 — Universal Input
balanced
1-5
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