valutazioni - 4, GPA: 3.5
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The important thing to keep in mind when using MIDI is that the slave device must be able to 'understand' what the master is saying'. In other words, the MIDI messages must be common to both master and slave. To help you quickly determine what types of MIDI messages can be exchanged between master and slave, the Operation Manual of each MIDI device includes a MIDI Implementation chart (P. 1 (m ). By looking at this chart, you can quickly see what messages the device is able to transmit and receive. The left side of the chan lists the names of a variety of MIDI messages, and the Transmission and Reception columns use “o' and "x" marks to indicate whether or not each of these messages can be transmitted or received. This means that a specific MIDI message can be excha ngec! only if there is an "o" in both the Transmission column of the master and the Reception column of the slave device. MIDI implementation charts are standardized, so you can fold the charts from two manuals together to see at a glance how the two devices will communicate. For a detailed explanation of the TD-~'s MIDI implementation, reler to page ISK. ■: When the TD-7 receives a Reset All Controllers message, it will reset some of the parameters to the power ON values, e.g. pitch bend, aftertouch, etc. Foradetailed explanation about the Reset All Controllers message, see page 159. 113 Chapter 6 System Setting [3] Setting MIDI Parameters The following describes how to set the MIDI parameter* (such as transmit.' receiv e channels, channel message transmit receive switches, etc). ■ How to set MIDI Parameters Sound Setup LCD Contrast Demo Song Foots witch @ Move the cursor to MIDI, then press [ENTER]. Initialize “I if :« y j MIDI I IF!INI MIDI Trig Tx Ch = 10 Parameter Value Name (3) Select the parameter to be edited using the [DATA] dial. ® Move the cursor using [^] and [►], then set the value of the parameter using the [DATA] dial. Chapter 6 System Setting 114 MIDI Parameters include the following: • Trigger Transmit Channel : Trig Tx Ch (1 -16) MIDI Trig Tx с '•h — 10 Set the channel to match Ilia! set in the Instrument or Performance Sections. Kitting a pad will play the sound ofthe section that is set to the same channel number as the Trigger Transmit Channel. When the channel is set ti i a different number, the internal sound source of the Tl)-7 will not play. Note message,s are sent via MIDI Of Ton the channel set here. Messages created using the Hi-hat Control Pedal and Footswitch will also be sent on the same channel. For drum performances, you may set the Trigger Transmit Channel and the Instrument Section Transmit and Receive Channel (explained in the follow ing section) to 10. • Instrument Section Transmit and Receive Channel: Inst Tr Ch (1 -16) MIDI Inst Tr Ch = 10 To play the Tl)-7s internal sound source, set this channel to the same number as the Trigger Transmit Channel. To play the TD-~ using another MIDI device, set this to the same number as the transmit channel of that device. The Instrument section s sequence data (recorded in the Phrase Sequencer) is output through MIDI OUT on the channel set here. ■ : Tx in the LCD represents the Transmitter. * When Midi Out is set to OFF, no messages are transmitted. ■: Tr- in the LCD represents the T ransceiver. 115 Chapter 6 System Setting • Performance Section Transmit and Receive Channel : PFM1 Tr Ch / PFM2 Tr Ch / PFM3 Tr Ch (OFF/1 -16) MIDI PFM1 Tr Ch = 11 MIDI PFM2 Tr Ch = 12 MIDI PFM3 Tr Ch = 13 To play the internal sound source by hitting the pads, set this channel to the same number as the Trigger Transmit Channel. ToplayiheTD-7usinganotherMII)ldcvk'e.setittothesamenumberas the transmit channel of that device. At OFF. the Performance Section not sounds. The Performance section's sequence data (recorded in the Phrase Sequencer) is output through MIDI OUT on the channel set here. • Patch Control Transmit and Receive Channel: Ctrl Tr Ch (1 -16) MIDI Ctrl Tr Ch = 10 To change Patches, use Program Change messages. When the TD-7 receiv es a Program Change message on the channel set here, the corresponding Patch will be selected. On the other hand, when you change Patches on theTD-7 using panel controls, the corresponding Program Change message will be sent to the external device on the channel set here. • Device ID : Device ID (1 - 32) MIDI Device ID = = 17 This sets the Device ID for Roland Exclusive messages. Exclusive messages can be sent or received, no matter what channel is currently selected, as long as the Device IDs of two devices are the same. * When Prg Chg Rx is set to OFF, the TD-7 does not respond to Program Change messages (Patches do not change). ■: The relationship between Patch Numbers and Program Change Numbers is shown on page 70. Chapter 6 System Setting 116 • Midi In Switch : Midi In (ON/OFF) MIDI Midi In ON When it is .set in OFF. no MIDI messages are recognized. To control the TD-7 via MIDI, set...