Martin MAC Viper Profile User's Guide download pdf (Page 19)

Software service functions 19

Software service functions

Service utilities

The control panel SERVICE menu provides utilities for technicians rigging or servicing the fixture:

• ERROR LIST displays any error messages that are stored in internal memory.

• PT FEEDBACK lets you disable feedback to the fixture software from the pan, tilt and effects positioning

systems. If feedback is set to ON and a pan, tilt or effect position error is detected, the shutter closes and

the effect resets. This feature can be disabled by setting feedback to OFF.

The OFF setting is not saved when the fixture is powered off, and the system will be re-enabled the next

time the fixture starts. If a pan/tilt position error occurs and the system cannot correct pan/tilt position

within 10 seconds, feedback is automatically disabled.

• ADJUST is for use at the factory and by authorized Martin Service technicians only. This menu allows

dimmer and frost positions to be adjusted after replacement of components, etc. To adjust the default

positions of all the MAC Viper Profile’s effects, use the CALIBRATION menu instead.

Important! Do not enter the ADJUST menu without service documentation from Martin.

• CALIBRATION lets you set new default positions for calibration purposes, set effects to their factory

default positions or overwrite the factory default positions with new values. See ”Calibration” below.

• USB lets you updates the firmware (fixture software) using a USB memory device. For a detailed guide to

updating the firmware, see ”Installing using a USB memory device” later in this chapter.

Calibration

The CALIBRATION menu lets you define offsets in software that are relative to the mechanical reset or

home positions. This allows you to fine-tune optical alignment and achieve uniform performance between

fixtures. Fixtures are adjusted and calibrated at the factory, and further calibration will normally only be

necessary if fixtures have been subjected to abnormal shocks during transport or if normal wear and tear

has affected alignment after an extended period of use.

Calibrating pan and tilt sensors

Warning! Be ready for the head to move during pan and tilt calibration.

To calibrate pan and tilt:

1. Place the fixture on a stable surface.

2. In the CALIBRATION menu, select PT AT END STOP.

3. Move pan to its end stop position by rotating the yoke clockwise (as seen from above the head looking

towards the base) to maximum pan.

4. Move tilt to its end stop by tilting the head to its maximum angle with the front glass pointing towards the

base and away from the display/control panel.

5. Be ready for the head to move. Click the jog wheel to register the positions. The fixture will display

Saving... and the head will move.

6. Press the Escape button to exit pan/tilt sensor calibration. Be ready for the head to move again.

Calibrating effects

Calibration can be carried out via DMX (see ”Changing calibration offsets using DMX” on page 17) but the

most thorough approach is probably to set multiple fixtures to the same position (e.g. dimmer open 1%) and

then calibrate each fixture using its onboard control panel while comparing its light output with a reference

fixture.The calibration range available for each effect varies but is approximately 5%. After selecting a

calibration value, click on the jog wheel to set the effect to that value.

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Martin MAC Viper Profile User's Guide Page 19

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