Setup 17
Tailoring performance
MOVEMENT
The MAC TW1 provides several options for optimizing movement for different applications.
• The protocol setting (
) setting selects 16-bit basic () or extended () control mode.
Extended mode uses 6 additional DMX channels to provide fine control of the electronic and mechanical
dimmers, cyan, magenta, yellow and zoom lens.
• The pan and tilt invert (
) menu swaps and/or inverts pan and tilt.
• The pan/tilt speed (
) menu provides 2 settings: and . The (normal) setting
gives smoothest pan/tilt movement during slow scene changes and quietest operation. It is best for most
applications and is the default setting.
provides better performance in applications where speed is
most important.
• The effects speed (
) menu provides 3 settings: , and .If set to (pan/tilt
speed slave), effects speed follow the pan/tilt speed set in the menu. This is the default setting. As
with pan/tilt speed,
gives smoothness and silence. gives extra speed.
• The pan/tilt and effects speed settings described above are overridden if studio or silent modes are
selected in the
→ menu.
• The shortcuts (
→) setting determines whether the CMY filters take the shortest path
between two positions, crossing the open position if necessary, or always avoid the open position.
DISPLAY
The display on/off setting (→) determines whether the display remains on (), remains on
for 2 minutes after the last key press (), or remains on for 10 minutes after the last key press ().
The display intensity (
→) setting controls display brightness. Select for automatic
display or manually set the intensity to a level from to .
To invert the display when the fixture is installed base up, press [Up] and [Down] simultaneously.
DMX RESET
The DMX reset (→) setting controls the behavior of the reset command. When set to , the
command is fully enabled. When set to
, the command is disabled to prevent accidental resets. When
set to , the command must be sent for five seconds. The special combination of DMX values listed
under channel 1 on page 28 allows you to execute a reset even when the command is disabled.
DIMMER
The dimming curve setting (→) provides two options for dimming characteristics:
•
, the linear dimming curve, is the default setting. It applies a linear increase in RMS voltage to the
lamp as the dimmer is opened. This gives a relatively even dimming curve, but with slightly finer control of
light intensity at low intensity levels than at high intensity levels.
•
, the square-law dimming curve, gives much finer control of light intensity at low intensity levels,
allowing easier fine-tuning of atmospheric or sunrise/sunset effects, for example.
NOISE REDUCTION MODE
The noise reduction mode (→) setting gives three options for tailoring movement and cooling
fan speed to give varying degrees of quiet operation:
• When set to
, pan/tilt, effects and fans obey their settings entered elsewhere in the control menus.
• When set to studio mode (), pan/tilt and effects speed are set to and fan speed is
temperature-regulated.
• When set to quiet mode (
), pan/tilt and effects are set to slow movement and fan speed is set to
as described in “Cooling and noise control” on page 20.
and modes override pan/tilt, effects and fan speed settings entered elsewhere in the control
menus.
LAMP MANAGEMENT
The preheat (→) setting preheats the lamp by maintaining from 0 - 20% lamp power when the
lamp is dimmed. Higher preheat settings give faster lamp reaction when the electronic dimmer is bumped
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