Hughes & Kettner MSM-1 User Manual

warranty requirement. It takes just a few minutes, and it is well worth waiting for.

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Hughes & Kettner MSM

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Note: These instructions were written specifically for the Hughes & Kettner ATTAX preamp, but they apply equally to the MIDI-upgradeable amps from Hughes & Kettner: the TriAmp head and combo, the TUBE 50 head/combo and TUBE 100 head, the ATTAX 100 and ATTAX 200 heads and combo amps, and the BassBase 600 head. More general installation instructions follow this document.

Installation

Connections and Control Features

MIDI Functions

Standard Setup and Cable Connections

Short Instructions

Operation

Selecting MIDI Channels and the Omni Mode

Storing Your Presets

Activating Stored Presets via MIDI

Additional MIDI Setups

Troubleshooting

INSTALLATION PROCEDURE: MSM-1 into the ATTAX PREAMP

The ATTAX and the MSM-1 MIDI SWITCHING MODULE are electronic devices that operate on AC power. If you are not qualified to install the MSM-1, you are risking a potentially life-threatening electric shock. Do yourself a favor and ensure you leave the installation to an authorized dealer only, both a safety and a

Proceed as follows:

Switch the ATTAX off.

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Remove the AC mains power cord from the back of the unit.

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Remove the four screws from rear panel cover plate and then remove the cover plate.

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Remove the screws from the top of the chassis.

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Lift the chassis cover off.

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Insert the MSM-1 in the module chamber and fasten it to the chassis using the four screws. Ensure the

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electronic components and the module inscriptions are facing up. Connect the MSM-1 to the ATTAX by carefully plugging the ribbon cable’s connectors to the

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appropriate socket. Note the markings on the connectors and ensure they face the grooved portion of the socket when you plug the connectors in.

Ensure the connector fits snugly and the connector markings match the socket’s grooved portion.

MIDI LEARN BUTTON (front panel)

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Check all connections carefully. Then:

Replace and fasten the chassis cover.

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Plug in the AC mains cable. Switch on the power.

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Press all front panel buttons, one after the other, to make sure the ATTAX functions properly.

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The ATTAX should respond to each button as it did before you installed the module (refer to the

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ATTAX manual). Follow the steps described in Short Instructions to ensure that the MSM-1 functions properly.

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CONNECTIONS AND CONTROL FEATURES

1. MIDI IN JACK

The MIDI IN jack is designed to receive MIDI data. Any device capable of generating MIDI data can be connected here via its MIDI OUT jack. In most cases, a MIDI FOOT CONTROLLER or MIDI EFFECTS UNIT is the device you will use.

2 MIDI THRU JACK

The MIDI THRU jack is used if you want to relay incoming MIDI messages to an additional MIDI device, e.g. an effects processor. Simply connect the device’s MIDI IN to the MSM-1 's MIDI THRU. This enables you to address the ATTAX and one or more additional devices via a single MIDI command.

3 MIDI RECEIVE CHANNEL SWITCH

This five-way DIP switch determines on which MIDI channels the MSM-1 receives MIDI messages. You can select a single CHANNEL (1 through 16), or all MIDI CHANNELS at once.

The MIDI LEARN BUTTON on the ATTAX front panel is operable after the MSM-1 is installed, and is used to

CHANNEL NUMBER to ensure the message is addressed to the right device. 16 MIDI CHANNELS (1 through

1 (refer to Section 2.1),

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assign ATTAX channel/effects combinations to various memory locations.

MIDI FUNCTIONS

MIDI is the abbreviation for Musical Instrument Digital Interface. MIDI is an international standard in which musical information, to include sound parameter changes, is translated to digital data and sent to various instruments, e.g. amps, effects devices, keyboards, etc.

The MSM-1 can process MIDI commands containing sound changes, i. e. messages that change the ATTAX channel/effects loop settings. These commands are referred to as MIDI PROGRAM CHANGE MESSAGES. They consist of a MIDI CHANNEL NUMBER and a MIDI PROGRAM number.

MIDI CHANNEL NUMBER

A typical guitar rack can contain several MIDI capable devices. You must assign each device a specific MIDI

16) are available. For instance, if you assign MIDI CHANNEL NUMBER 7 to the MSMthen the module reacts exclusively to commands addressed to MIDI CHANNEL 7.

OMNI MODE

If you want to address several devices in your rack simultaneously, switch on the OMNI MODE for each device. All devices will then ignore the MIDI CHANNEL NUMBERS and respond to MIDI commands on all CHANNELS. Refer to Section 2.1 for information on how to select the MSM-1 OMNI MODE.

EXAMPLE

The MSM-1 is set to MIDI CHANNEL 3. A MIDI command containing a "MIDI CHANNEL 3/PROGRAM NUMBER 17" message is sent. The MSM-1 responds by activating the channel and effects loop combination saved on preset 17.

STANDARD SET-UP / CABLE CONNECTIONS

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