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Tascam CD-01U Specifications Page 7

Control i/o terminals rs-232c protocol specifications.
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3.4. Command Sequence
The CD-01U/CD-01U PRO does not have the "ACK" command for the each transport control command
and data preset command.
When a request command is transmitted from external controller to the controlled device, the controlled
device sends an appropriate return command.
When the mechanism status of the controlled device is changed (i.e. from stop to play), or an error occurs,
the controlled device sends a command to notify such change to the external controller.
Some samples of command sequence are described below:
Note that an interval of at least 20 ms must be left between commands.
Sample 1: Transport control (i.e. PLAY)
The controlled device is in STOP mode.
Send the transport control (PLAY) command from the external controller to the controlled
device.
The controlled device starts playback and sends the CHANGE STATUS return command.
External controller
PLAY
Sample 2: To preset a data (i.e. PITCH CONTROL DATA PRESET)
Send the PITCH CONTROL DATA PRESET command with pitch control value from the external
controller to the controlled device.
The controlled device sets the pitch control data.
External controller
PITCH CONTROL
PRESET (i.e. –1.0%)
Sample 3: To request the status or a data currently set (i.e. PITCH CONTROL DATA)
Send the PITCH CONTROL DATA PRESET command with request data [FF] from the external
controller to the controlled device.
If the controlled device has the pitch control data, the controlled device returns the PITCH
CONTROL DATA RETURN with pitch control value.
External controller
PITCH CONTROL
PRESET (with FF)
TASCAM CD-01U/CD-01U PRO RS-232C Protocol Specifications
Command
Controlled device
->
CHANGED STATUS
<-
Command
Controlled device
DATA
->
Command
Controlled device
DATA
->
PITCH CONTROL DATA
<-
RETURN
7
Status of the controlled
device
STOP
Starts playback
Sent the CHANGE STATUS
return command
Status of the controlled
device
Sets pitch control data to -1.0%.
Status of the controlled
device
TEAC Corporation

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