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R i g g i n g
The mounting bracket allows the Pro 918 to be rigged at any angle. The figure below shows the index position of the
balance point at different angles. Balancing the fixture makes it more stable and easier to work with, but it can be hung
out of balance if necessary.
1. Loosen the clamps (B) on each side of the mounting bracket, slide the
bracket to the approximate position, and partially tighten the clamps.
2. Loosen the swivel locks (E) and tilt the bracket to the desired angle.
Partially tighten the locks.
3. Bolt rigging clamps that can bear at least 10 times the weight of the fix-
ture to the mounting bracket. 1 clamp may be bolted to the center hole
or 2 clamps may be bolted to the 2 outside holes (C). See page 31 for
clamps available from Martin.
4. Verify that the structure can bear at least 10 times the weight of all
installed fixtures, clamps, cables, auxiliary equipment, etc.
5. Block access below the work area. Working from a stable platform,
place the fixture on the rigging.
6. Install a safety wire that can bear at least 10 times the weight of the fix-
ture. Use the eye hook (D) to fasten the safety wire to the fixture. Never
use the carrying handles or mounting bracket for secondary attach-
ment.
7. Tighten the rigging clamp(s) securely to the structure.
8. Fine-tune the position and the fully tighten the slide clamps and swivel
locks.
C
O N N E C T I N G T H E S E R I A L L I N K
The Pro 918's 3-pin data sockets are configured for DMX controllers, i.e., pin 1 to shield, pin 2 to cold (-) and pin 3 to
hot (+). As many devices have 5-pin connectors or 3-pin connectors with reversed polarity on pins 2 and 3, adaptor
cables may be required.
3-pin to 3-pin
Phase-Reversing
Cable
Connections
Male
1
2
3
P/N 11820006
1. Connect the controller's data output to the RoboScan Pro 918's data input. For a
•
DMX controller with 5-pin output: use a cable with 5-pin male and 3-pin female connectors such as P/N 11820005.
Pins 4 and 5 are not used.
•
DMX controller with 3-pin output: use a normal cable with 3-pin male and female connectors.
•
Martin RS-485 Protocol controller: use a phase-reversing cable, such as P/N 11820006, with 3-pin male and female
connectors, or reconfigure the data sockets as described on page 19.
7
Attach an approved safety cable to the eye hook.
The default pin-out is compatible with DMX-512.
3-pin to 5-pin
Phase-Reversing
Cable
Connections
Female
Male
Female
1
1
1
2
2
2
3
3
3
4
5
P/N 11820002
RoboScan Pro 918
W A R N I N G !
5-pin to 3-pin
Phase-Reversing
Cable
Connections
Male
Female
1
1
2
2
3
3
4
5
P/N 11820003
5-pin to 3-pin
3-pin to 5-pin
Straight
Straight
Cable
Connections
Connections
Male
Female
Male
1
1
1
2
2
2
3
3
3
4
5
P/N 11820005
P/N 11820004
0°, D2
Cable
Female
1
2
3
4
5
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