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CHAPTER 2: INSTALLATION
The AI-2 is a 1 unit high 19" Rack mount device. We recommend
that you install the AI-2 in the same rack or close to the ADAT
transports, permitting connection to the first ADAT transport with a
standard ALESIS 9-pin sync cable. If it is not possible to locate the
AI-2 adjacent to the ADAT, then the sync cable should be kept as
short as possible because the cable carries a high frequency
sample clock signal (48.000 KHz) which will degrade over distance.
The AI-2 rear panel provides connectors for the system timing
reference, controllers, the BRC and the ADAT machine chain.
Hook up the wall mounting power supply and control cables and
power on the AI-2, check that the front panel LCD backlight
illuminates.
2.0 POWER CONNECTION
Power for the AI-2 is provided by a 10 volt AC, 7.5 VA wall
mounting transformer, connect the output from the transformer to
the 2.5 mm jack socket marked POWER. The AI-2 power input
circuitry is designed to accept 9-12V AC. It will also accept a
9-12V DC input voltage of either polarity.
2.1 CONFIGURATION SWITCH
Next to the power connector is an eight position dip switch, which is
used to configure default setups and the AI-2 MIDI IDs.
DS #1
DS #2
DS #3
DS #4
DS #5
DS #6
DS #7
DS #8
It is not necessary to alter any of these dip switches now, except
for dip switch one (DS #1), which is used to default the AI-2 for
25 Frame operation after a system ram clear. If you are using the
AI-2 in Europe or will always be working with EBU time code then
we suggest that you set dip switch one ON.
25 Frame initialization default
Extended play tape times
Defeat power up sequence
Enable Setup mode Read Only option
Midi device ID#
Midi device ID#
Reserved
Reserved
8
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