Updating the Firmware:
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Connect the IEC power cable
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Using a computer or tablet, go to www.line6.com/software and download Line 6 Updater
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Connect the amplifier to your tablet or computer using a USB-B to USB-A or USB-C connection as required by your device
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Open Line 6 Updater on your device
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Power up the Catalyst amplifier with the master volume all the way down
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The Amplifier model and the currently installed firmware version will be displayed as shown:
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Click on the amplifier photo
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A window in Updater will open asking you what version of the firmware you want to update to
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Select the latest version and click ‘Update”
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Accept the Terms and Conditions
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When the update completes, the Updater will display a message stating “Your Line 6 product will now restart automatically, and will be ready for use.”
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IMPORTANT! After the update is complete, power down your Catalyst amplifier, then “RESET” the amplifier by holding down the “B” and “MANUAL” channel buttons while turning the power switch back on.
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This will update all the presets to the new default settings, so if you want to save your settings, use Catalyst Edit to do so before updating.
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If the Catalyst fails to update:
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Power down the amp and close the Updater app.
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Open the Updater again, then power up the Catalyst while holding A and B to put the unit into bootloader mode.
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You will then need to manually select the correct Catalyst product from three choices presented by the Updater.
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Select the latest firmware version, then accept the Terms and Conditions.
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After the update is complete, power down your Catalyst amplifier, then “RESET” the amplifier by holding down the “B” and “MANUAL” channel buttons while turning the power switch back on.