14 MAC 101 user manual
RAW and RGB modes include the same control options as BASIC mode, but they provide 4 extra channels
to give RGB control and CTC.
See “DMX protocols” on page 22 for details of the DMX commands available in the different modes.
Tailoring performance
Pan and tilt movement
The P/T SPEED settings set the maximum speed of pan and tilt movement. FAST optimizes for speed and
SLOW optimizes for smoothness of movement. NORMAL is the default setting and gives a good
compromise between these two.
The
PAN INVERT and TILT INVERT commands reverse the direction of pan and tilt, and the SWAP
command sends pan commands to tilt and vice versa. These settings are useful for symmetrical effects with
multiple fixtures.
Cooling
FANS gives you a choice of two settings:
• The default setting
REGULATED should suit use in all normal situations and ensure excellent service
lifetimes for all components.
•
FULL maximizes cooling and reduces the operating temperature of the components in the head. It is
recommended when the MAC 101 is used intensively in a warm environment or in fixed installations. Note
that it will give increased fan noise compared to the other cooling modes.
Whatever cooling mode is selected, a thermal cutout shuts down power to the LEDs if the fixture
temperature exceeds safe limits. If this occurs, you must reset the fixture via the control menus or via DMX,
or cycle power to the fixture off and on again.
If a thermal shutdown occurs, you are pushing the fixture to its limits. Clean the fixture, particularly the air
vents, and check that there is sufficient airflow around the fixture. Consider increasing ventilation, reducing
the ambient temperature, or switching to
FULL mode. Contact Martin for service if a thermal shutdown
persists.
Dimming
DIMMER CURVE provides four dimming options (see Figure 3):
•
LINEAR – the increase in light intensity appears to be linear as DMX value is increased.
•
SQUARE LAW – light intensity control is finer at low levels and coarser at high levels.
•
INVERSE SQUARE LAW – light intensity control is coarser at low levels and finer at high levels.
•
S-CURVE – light intensity control is finer at low levels and high levels and coarser at medium levels.
Whichever
DIMMER CURVE option you select, you can choose between FAST or SMOOTH dimming
settings:
•
FAST is the default setting. It gives a virtually instantaneous reaction when you dim from one intensity to
another, but dimming slowly from one intensity to another may appear slightly uneven.
• The
SMOOTH setting gives smoother dimming during slow changes in intensity, but it limits the speed of
dimming changes slightly. This makes it ideal for slow, smooth dimming, but a short time-lag may be
noticeable if you try to dim quickly from one intensity to another.
Output
DMX % DMX %DMX % DMX %
Output
Output
Output
Optically linear S-curveSquare law Inverse square law
Figure 3: Dimming curve options
To Next Page
Loading...
Need help?
General
