00042159.DOC, Version 1.3
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Qualifications and activities
When using or installing truss systems, the following qualifications are required:
Planning
and
system
selection
Structural
analysis
Manage-
ment and
super-
vision
On-site
inspection
Attachment
of truss
Assembly
of trusses
"Diplom" engineer
yes
yes
yes
yes
yes
yes
"Meister" / "Assistent" for
event technology / head
rigger / light crew chief
yes
no
yes
yes
yes
yes
"Sachkundiger für Veran-
staltungs-Rigging"
no
no
no
yes
yes
yes
"Fachkraft für
Veranstaltungstechnik"
no
no
no
no
yes
yes
"Veranstaltungsoperator"
no
no
no
no
yes
yes
Person with appropriate
briefing
no
no
no
no
no
yes
Source: VPLT Codes of Practice SR 1.0 – Provision and Use of Truss Systems, 10.02.2005
START-UP
This line array system must only be connected with an appropriate power amplifier. The amplifier power must
correspond with the speaker system power. An amplifier with too little power can also destroy a speaker
system with a higher power range.
Making the connections
The speaker systems are equipped with two 4-pole, lockable Speaker sockets that are wired in parallel. This
way you can connect the input of the first speaker system to the output on your power amplifier and tap into
the signal from the amplifier on the output LINK, to feed this signal into the next speaker system. For locking
a connection turn the plug to the right. For unlocking pull the unlock button and turn the plug to the left and
pull it out of the socket.
Connection of the Speaker sockets
Information on installing audio cables
• A good cable run improves the sound quality remarkably. Avoid long cable runs.
• Always treat cables carefully and protect them from damages during transportation.
• Install cables always in a structured way and protect them from damage.
• Cables must be installed in a way that no person can stumble over them. Always fix cables with an
appropriate tape.
• Cables should be installed directly (no loops, S-shaped overlengths).
• Always install cables far away from power cables (never closely parallel).
• Never put heavy objects like speaker systems, flightcases etc. on cables.
• Never operate cables wound up.
Subwoofer
INPUT:
1 +/- = Sub +/-
2 +/- = n.c.
LINK:
1 +/- = Sub +/-
2 +/- = n.c.
Top
INPUT:
1 +/- = MF +/-
2 +/- = HF +/-
LINK:
1 +/- = MF +/-
2 +/- = HF +/-
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