Martin LIGHTING DIRECTOR User Manual download pdf (Page 65)

CHAPTER 6 - Real-time mode

Real-time mode allows the Martin Lighting Director to track performers on stage and

to send and receive data according to the behaviours programmed in the map editor.

To enter real-time mode simply click on the “Real Time” option on the main MLD

screen. A new set of buttons and control areas will appear.

Figure 38 - Real Time Screen

tracker enable/disable box

diagnostic LEDs

tracker height

tracker coordinates in cm

this window shows

the area described

by the interactive

perimeter

The real time screen, like the map editor screen, is a bird’s eye view of the stage. The

software automatically zooms the window to show the area defined by the interactive

perimeter (defined automatically if the auto speaker calibration was used or manually in

the editor “Options” dialog box). When you press “Go” the system will begin emitting

ultrasound. When your tracker is on the stage, turned “on”, and with the “mute”

switch “off”, you will see a little dot on the map editor screen. As the tracker moves in

space so does the dot. You will also see one of the four columns on the top right

graphically showing the height of the tracker. A raw display of X, Y and Z coordinates is

presented in centimeters (or inches) and under it, a diagnostic display indicates the

quality of the tracking. When using several trackers you will see data for each.

At the top of each height display column there is a number from 1 to 4 which is a check

box to manually enable or disable tracking for a particular tracker.

The four small boxes directly underneath the coordinate display represent the four

ultrasonic speakers. If a box is red it means that the pulses from that speaker are not

being picked-up by the tracker. If the box is yellow the tracker is only receiving

shadows of pulses (echoes), which are not actually used for the calculations. If the box

is purple the software is discarding the pulse as a cymbal. Finally, if the box is green the

tracker is receiving pulses perfectly. These diagnostic displays can tell you several things:

MLD manual 1.1 Page 65

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Martin LIGHTING DIRECTOR User Manual Page 65