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3. Carefully remove and check the two fuses located in the bottom of the PCB (see "Circuit board
connections" on page 35). Replace as necessary with fuses of the same size and rating (see "Fuses" on
page 38).
4. Re-attach the yoke cover.
If fuses blow repeatedly, have the fixture serviced by a Martin service technician.
Updating software
The latest MAC 250 Wash firmware is available from the support area of the Martin web site at
http://www.martin.com. It can be installed via the DMX data link using a supported Martin uploader such as
the MP-2, or via a LightJockey 4064 ISA DMX interface.
Note: Intermediate control systems such as the Martin Lighting Director (MLD) and the Martin Matrix must
be bypassed when updating fixture software via the DMX link. These systems do not relay the update code
correctly because it is not a DMX-compliant signal.
N O R M A L U P D A T E
To update fixture software, connect an upload device to the fixture just like a DMX controller and perform a
DMX mode upload as described in the uploader's documentation. There is no need to isolate the MAC 250
Wash from other types of fixtures on the DMX link.
After a software upload, when the MAC 250 Wash boots up it performs a check-sum test of the flash
memory and then resets. If the firmware is corrupted, a check-sum error (
later the fixture displays
In the unlikely event that a software upload is interrupted, the fixture must be powered off for at least 10
seconds to force the check-sum test. You can repeat the DMX-mode upload as soon as
B O O T S E C T O R U P D A T E
If the normal update procedure fails or the software update notes call for a boot-sector update, install new
software as follows:
1. Disconnect the fixture from AC power.
2. Remove the left-side yoke cover (see Figure 16) to access the PCB.
3. See "Circuit board connections" on page 35. The boot sector
jumper is located next to the plug for the control panel data
cable. Move the jumper to the Init setting. Check that the
Flash Write jumper is in the Enable position.
4. Apply power and perform a boot-mode upload as described
in the uploader manual.
5. Disconnect the fixture from AC power. Move the jumper
back to the Lock setting.
6. Re-attach the yoke cover before reapplying power.
The boot sector update can also be activated in the control panel menu under
MAC 250 Beam Upgrade Kit
An update kit is available from Martin that allows the color filters in the MAC 250 Wash to be replaced with
beam effect gobos. Full installation instructions are supplied with the kit and can be downloaded free of
charge from the MAC 250 Wash Product Support page at www.martin.com
Details of controlling the MAC 250 Beam are given at the end of this manual as an appendix.
26
and is ready for a new DMX-mode upload.
MAC 250 Wash
) occurs. A few seconds
is displayed.
Lock
Init
Figure 17: Boot sector jumper
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