Effects; Lamp Power; Fixture Reset; Dimming And Strobe - Martin MAC 550 Profile User Manual

E
FFECTS
This section describes the functions programmed in the MAC 550 Profile DMX protocols. The fixture has
two DMX operating modes, basic and extended. The extended mode requires six more DMX channels than
the basic mode and provides all features of the basic mode plus fine control of the dimmer, color wheels,
iris, zoom, and focus.
Channels references in this section refer to the extended mode protocol unless otherwise noted. The
complete DMX protocol begins on page 27.

Lamp power

L a m p - o n
The lamp-on command on channel 1 closes the relay that provides power to the lamp. When the lamp is on,
the command has no effect.
Note: A peak of electric current that can be many times the operating current is drawn for an instant when
striking a discharge lamp. Striking many lamps at once may cause a voltage drop large enough to prevent
lamps from striking or draw enough current to trip circuit breakers. If sending lamp-on commands to multiple
fixtures, program a sequence that strikes lamps one at a time at 5 second intervals.
L a m p - o f f
The lamp can be doused from the controller with the lamp-off command. The command must be sent for 5
seconds.
If the lamp-off command is disabled (
following effects are selected:
• color wheel 1: slot 1 (DMX 189 - 193)
• color wheel 2: slot 1 (DMX 189 - 193)
• prism: in, no rotation (DMX 80 - 89)
• gobo wheel 1: open (DMX 0 - 11)
• gobo wheel 2: open (DMX 0 or 194 - 202)

Fixture reset

If an effect loses its indexing and fails to move to programmed positions, the fixture can be reset from the
controller by sending the "Reset" command on channel 1.
If DMX reset is disabled (
listed under "Lamp-off" are met. If it is set to
executing.

Dimming and strobe

The mechanical dimmer/shutter system provides smooth, high-resolution 100 percent dimming, instant
open and blackout, random and variable strobe effects, and random and variable pulses in which the
dimmer snaps open and slowly dims or snaps closed and slowly opens.
Fine control of the dimmer is available in extended mode.
14
 
!
   ), the reset command can only be executed if the conditions
! !

MAC 550 Profile
), the lamp-off command works only if the

!
, the reset command must be sent for 5 seconds before