AMI NiteHAWK Manuel du propriétaire Page 19

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NiteHAWK Internet Jukebox Unpacking & System Description
22022613 Rev A 1-7
Volume Control Unit
The Volume Control Unit (VCU), a Rowelink module, should be mounted remotely (behind
bar, etc.). The 100-foot modular cable (included) can be connected between the unit and
the green VCU plug on the Computer Core Assembly. It displays and controls the volume of
the amplifier channels and microphones. If an existing 100 foot cable is already in place, you
can use the 3-wire or 4-wire (see Figure 3-16) alternate wiring.
The POWER button turns the NiteHAWK Jukebox lights, touchscreen monitor and Bill
Acceptor ON or OFF.
The REJECT button rejects the selection playing.
The FUTURE button adds credits toward selections (See “Credit Management” in the
Operator Setup Screens Manual).
The MODE key toggles between channels and microphones.
The VCU also raises or lowers the volume of the channel(s) or microphone using the UP
DOWN keys. The volume range is 0 to 63. Channel Volume is displayed when the
mode LED is off, and microphone volume is displayed when the mode LED is on.
The CH, MIC, and SINGER LEDs indicate what volume is being displayed. When
adjusting channel volume, if more than one LED is on, it means those channels have the
same volume. All four channels have the same volume when shipped from the factory
(see Section 3 of the included “Network Setup, Jukebox Operation, Operator Setup
Screens” manual for other possible configurations).
4-Channel Pre-amplifier
This Rowelink module transforms audio signals from the Computer Core Assembly,
microphones, and other sound processors/equipment/systems into signals for the Power
Amplifier. It contains Automatic Volume Control (AVC) circuits to adjust for varying
recording levels and tone controls, and 5-band equalizers. All adjustments and options are
programmable via the touchscreen and are retained on the Computer Core Assembly hard
drive (see Section 3 of the included “Network Setup, Jukebox Operation, Operator Setup
Screens” manual for setup information).
1000-Watt Audio Digital Power Amplifier
The 2-channel digital audio power amplifier is rated 1000 watts RMS (500 per channel) into
a 2-ohm load. The full volume output voltage is 32 volts.
The amplifier is protected against overloads and short circuits. Continuous severe
overloads or shorts may shut down the amplifier (or a channel) but will not damage it. If the
overload is removed a signal will reset the amplifier when the next selection plays.
Audio Output Transformers
The output transformers “step up” the power amplifiers output voltage for 70-volt extension
speakers. They also provide screw terminal connections for selecting different power levels
for extension speakers.
Bill Acceptor
The Coinco
®
Vantage
, with an 1100-bill stacker or MEI
®
Series 2000 bill acceptor, with a
1000-bill stacker, operates on 120 VAC input power and sends its pulsed credit signals to
the Computer Core.
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