Roland VS-1680 User Manual download pdf (Page 35)

● Program Change

Works as program change for the effects when MIDI channel number is set to

0H, 1H, 2H or 3H.

Works as scene switch when channel number is set to FH.

VS-1680 never transmits this message.

Status Second

CnH ppH

n = MIDI Channel No. : 0H - 3H, FH

( ch.1 = Effect1 ch.2 = Effect2ch.3 = Effect3 ch.4 = Effect4 )

( ch.16 = Scene Memory (*1) )

pp = Program No. : 00H - 63H (0 - 99) n = 0H, 1H

pp = Program No. : 00H - 07H (0 - 7) n = EH

(*1) If received while VS-1680 is playing, playback stops, and then restarts

after the scene switched. Never receives while recording.

● Pitch Bend Range

Receives when effect algorithm 27(Voice Transformer) is selected and MIDI

Control SW is On.

Status Second Third

EnH llH mmH

n = MIDI Channel No. : 0H - 3H (ch.1-ch.4)

n = 0, 2 (ch.1, ch 3) : Voice Transformer : Chromatic Pitch

n = 1, 3 (ch.2, ch 4) : Voice Transformer : Chromatic Formant

mm,ll = value : 00H,00H - 40H,00H - 7FH,7FH(-8192 - 0 - +8191)

■ System Common Messages

● MIDI Time Code Quarter Frame Messages

MIDI Time Code Quarter Frame Messages can be transmitted while the VS-1680 is

running (Playing or Recording) if the SYSTEM parameter “Syn:Source” is “INT”

and “Syn:Gen.” is “MTC” in the SYSTEM parameter. The transmitted time counts

are summed to “SMPTE(MTC) Offset Time” as the song top is “00:00:00:00”.

The VS-1680 synchronizes with the time counts which are summed to “SMPTE (MTC)

Offset Time” as the song top is “00:00:00:00” if the SYSTEM parameter

“Syn:Source” is “EXT”

Status Second

F1H mmH (= 0nnndddd)

nnn = Message type : 0 = Frame count LS nibble

1 = Frame count MS nibble

2 = Seconds count LS nibble

3 = Seconds count MS nibble

4 = Minutes count LS nibble

5 = Minutes count MS nibble

6 = Hours count LS nibble

7 = Hours count MS nibble

dddd = 4 bit nibble data : 0H - FH (0 - 15)

If the upper and lower 4 bits of the count are combined, these bit fields are

assigned as follows.

Frame Count xxxyyyyy

xxx Reserved (000)

yyyyy Frame No. (0-29)

Seconds Count xxyyyyyy

xx Reserved (00)

yyyyyy Seconds Count (0-59)

Minutes Count xxyyyyyy

xx Reserved (00)

yyyyyy Minutes Count (0-59)

Hours Count xyyzzzzz

x Reserved (0)

yy Time Code type

0 = 24 Frames / Sec

1 = 25 Frames / Sec

2 = 30 Frames / Sec (Drop Frame)

3 = 30 Frames / Sec (Non Drop Frame

zzzzz Hours

● Song Position Pointer

The current position is transmitted with the Song Position Pointer Message

before the VS-1680 starts to run or after the locate operation, when

“Syn:Source” is “INT” and “Syn:Gen.” is “MIDIclk” or “SyncTr”.

Status Second Third

F2H mmH nnH

mm,nn = Song Position Point : 00H 00H - 7FH 7FH

■ System Realtime Message

Transmitted when “Syn:Source” is “INT” and “Syn:Gen.” is “MIDIclk” or “SyncTr”.

● Timing Clock

Status

F8H

● Start

Status

FAH

● Continue

Status

FBH

● Stop

Status

FCH

■ System Exclusive Message

Status Data Bytes Status

F0H iiH,ddH, ..., eeH F7H

Byte Description

F0H Status of System Exclusive Message

iiH Manufacturer ID

41H: Roland’s Manufacturer ID

7EH: Universal Non Realtime Message

7FH: Universal Realtime Message

ddH Data : 00H - 7FH (0-127)

eeH Data

F7H EOX (End of System Exclusive Message)

The VS-1680 can transfer and receive the internal parameters information

using system exclusive messages, and also can be controlled by the external

devices using system exclusive messages.

The VS-1680 can transmit and receive Universal System Exclusive messages,

Data Request(RQ1) and Data set(DS1) as the System Exclusive message.

❍ About Model ID

For Data Request (RQ1) and Data Set (DT1), VS-1680 uses 00H 0EH as a Model ID.

❍ About Device ID

System Exclusive messages are not assigned to any particular MIDI channel.

Instead, they have their own special control parameter called device ID.

The Roland system exclusive messages use device IDs to specify multiple VS-1680

units.

The VS-1680 sends system exclusive messages using 00H - 1FH, and receives the

system exclusive messages whose device ID is same as its device ID and 7FH.

The value of the device ID is the value set on the SYSTEM parameter

“MID:DeviceID” minus one.

MIDI Implementation

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Roland VS-1680 User Manual Page 35

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