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Tips for reliable data transmission
Use shielded twisted-pair cable designed for RS-485 devices: standard
microphone cable cannot transmit control data reliably over long runs. 24
AWG cable is suitable for runs up to 300 meters (1000 ft.). Heavier gauge
cable and/or an amplifier is recommended for longer runs. The pin-out on all
connectors is pin 1 = shield, pin 2 = cold (-), and pin 3 = hot (+). Pins 4 and 5
in the 5-pin XLR connectors are not used in the fixture but are available for
possible additional data signals as required by the DMX512-A standard.
Standard pin-out is pin 4 = data 2 cold (-) and pin 5 = data 2 hot (+).
To split the link into branches, use a splitter such as the Martin 4-Channel
Opto-Isolated RS-485 Splitter/Amplifier. Terminate the link by installing a DMX
termination plug in the output socket of the last fixture. The termination plug,
which is a male XLR plug with a 120 Ohm, 0.25 W resistor soldered between
pins 2 and 3, "soaks up" the control signal so it does not reflect and cause
interference. If a splitter is used, terminate each branch of the link.
Connecting the DMX data link
To connect the fixture to data:
1. Connect the DMX data output from the controller to the first fixture's male
XLR DMX input connector.
2. Connect the first fixture's DMX output to the DMX input of the next fixture
and continue connecting fixtures output to input. Terminate the last fixture
on the link with a DMX termination plug.
Fixture setup
This section explains the fixture settings and utilities that the user has access
to via the control panel.
A complete map of the control menu structure can be found in 'Control menus'
on page Error! Bookmark not defined..
Settings are retained when the fixture is powered off.
Using the control menus
To access the control menus, press the MENU button. Navigate the menu
structure using the ENTER, DOWN and UP buttons. Select any required menu
option using the ENTER button. To return to the previous level in the menu
structure without making a change, press the MENU button.
To exit the menus, press and hold the MENU button.
RUSH MH 1 Profile User Manual
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