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Firmware Upgrade Procedure, cont’d
CrossPoint Plus/CrossPoint/MAV/Matrix 50 • Firmware Upgrade Procedure2
This procedure details how to replace a CrossPoint Plus, CrossPoint, MAV, or
Matrix 50 firmware IC chip without disconnecting all of the input and output
connections.
The IC that contains the firmware for the matrix switcher also contains the
memory in which presets and audio levels are saved. When you replace the IC,
these settings will be lost. You may want to record the presets and audio levels
before you replace the IC.
Remove Power
Disconnect the power cord from the switcher.
Partially Remove the Switcher from a Rack
To access screws on some switcher models and to make room for the front panel on
other switcher models, the matrix switcher to be upgraded should be partially
removed from its equipment rack as follows:
If the matrix switcher is not on the bottom of the rack or directly above another
device, Extron recommends temporarily installing a device in the rack directly
below the matrix switcher to be upgraded to support the weight of the switcher
during this procedure.
1. Remove the machine screws that secure the switcher to the rack.
2. Carefully pull the switcher forward 1" (2.5 cm) (figure 1). If your switcher has
screws on the top and bottom that need to be removed, give yourself just
enough room to access the screws on the top and bottom of the front of the
switcher.
CAUTION
Do not pull the switcher far enough forward that you strain the input,
output, or other cables on the rear of the switcher.
91
01
1
1
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01
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Use another device to support
the switcher’s weight.
Pull the switcher out
of the rack one inch.
Remove two screws from top
and bottom (if present) and
four or ten screws from
the front panel.
Figure 1 — Partially removing the matrix switcher from a rack and
removing the front panel
Firmware Upgrade Procedure