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PERFORM A USER PRESETS DUMP IN FOUR EASY STEPS:

1. Connect the ampliﬁer’s MIDI THRU/OUT jack to either the MIDI INPUT of another ampliﬁer or that

of a MIDI/USB Interface, in which case launch the MIDI app/utility you plan to use and make sure

the USB Interface is connected to the computer.

2. If dumping to a computer, set the MIDI app/utility to receive, then engage the ampliﬁer’s STORE

SWITCH to begin sending the User Presets Dump.

3. The ampliﬁer’s STORE LED will turn on immediately, and after the User Presets Dump has been

sent, the STORE LED will turn o.

4. The STORE LED will then ﬂash once, when a second, very short MIDI SysEx message containing the

ampliﬁer’s Software Version I.D. Message is sent.

A User Presets Dump should take no more than 1 to 2 seconds to complete.

NOTE: The Software Version I.D. Message that follows every User Presets Dump, providing a simple means of identifying

the ampliﬁer’s Software Version, can be ignored, unless it’s needed for troubleshooting a particular problem.

LOAD RECEIVE USER PRESETS

A User Presets Load can be initiated at any time and can be received at full MIDI speeds. When performing

a User Presets Load, it is ﬁrst saved in the ampliﬁer’s RAM memory and does NOT immediately overwrite the

existing presets saved in the User Presets EEPROM Memory. The existing presets will ONLY be overwritten

after the User Presets Load has been completely and successfully received without CRC errors.

PERFORM A USER PRESETS LOAD IN FOUR EASY STEPS:

1. Connect the ampliﬁer’s MIDI INPUT jack to either the MIDI THRU/OUT of another ampliﬁer or that

of a MIDI/USB Interface, in which case launch the MIDI app/utility you plan to use and make sure

the USB Interface is connected to the computer.

2. If loading from a computer, locate and begin sending the User Presets Dump, or engage the STORE

SWITCH on the ampliﬁer that you’re sending the User Presets Dump from.

3. The ampliﬁer’s STORE LED will ﬂash once when it starts receiving the User Presets Dump, and

then it will then turn on while the User Presets Dump is being saved to the User Presets EEPROM

Memory.

4. After a successful User Presets Load, the STORE LED will turn o; then it will ﬂash once more (for a

third time) as the ampliﬁer’s MIDI Interface is automatically restarted.

A User Presets Load should take no more than 1 to 2 seconds to complete.

If a User Presets Load fails, the STORE LED will remain on until the ampliﬁer begins receiving another User

Presets Dump or any other process occurs that toggles the STORE LED on and o, such as successfully receiv-

ing a User Presets Load or engaging the STORE SWITCH, or changing/toggling the MIDI CHANNEL SELECT

SWITCH. Any failures could only be due to a corrupted ﬁle, but rest assured that the ampliﬁer’s built-in CRC

error detection will prevent a corrupted ﬁle from overwriting existing presets or settings.

If the STORE LED begins to blink on and o quickly after Step #3, it indicates that the integrity of at least one

of the User Presets EEPROM Memory locations is becoming or has become compromised. The User Preset

Load has still been performed and completed, but the ampliﬁer must be powered down and powered up again

to be used.

Mesa/Boogie MARK VII User Manual

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