Martin MAC 250+ Manual de usuario descargar pdf (Pagina 25)

Service 25

3. Carefully remove and check the two fuses located in the bottom of the PCB (see “Circuit board

connections” on page 34). Replace as necessary with fuses of the same size and rating (see “Fuses” on

page 37).

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.

NORMAL UPDATE

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 (

) occurs. A few seconds

later the fixture displays

 and is ready for a new DMX-mode upload.

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

 is displayed.

BOOT SECTOR UPDATE

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 34. 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

→

InitLock

front

Figure 17: Boot sector jumper

1 2 ... 20 21 22 23 24 25 26 27 28 29 30 ... 39 40

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Martin MAC 250+ Manual de usuario Pagina 25

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