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Tascam CD-A550 Owner's Manual: Using The Control I/o (cd-a750 Only); Using The Rs-232c Connector; Menu Items Related To The Rs-232c; Using The Parallel Connector

Compact disc player/reverse cassette deck.
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9 – Using the control I/O (CD-A750 only)
Using the RS-232C connector
By connecting the RS-232C connector on this unit with
an RS-232C connector on a computer, this unit can be
controlled from a computer. Settings related to signals are
made from the menu.
1 When in standard display mode, press the
key on the main unit or the remote control to enter
menu mode.
2 Use the
/
keys on the main unit or the remote con-
+
trol to show the following menu items related to the
RS-232C, and press the
or the remote control.
3 Use the
/
keys on the main unit or the remote con-
+
trol to make settings.
4 When finished making settings, press the
key to return to the standard display.
Menu items related to the RS-232C
BAUD RATE
Use to set the baud rate (signal speed) to 4800, 9600, 19200
(default) or 38400 bps.
LENGTH
Use to set the signal data length to 7 or 8 (default) bits.
PARITY BIT
Use to set the signal parity bit to NON (default), EVEN or
ODD. "NON" is none.
STOP BIT
Use to set the signal stop bit to 1 (default) or 2.
RS-232C settings are retained even if the power is
turned OFF.
Please contact TASCAM customer support for infor-
mation about this unit's RS-232C command protocol.
Using the parallel connector
An external controller using parallel control can control
this unit through its
PARALLEL
signals can be output through the
allowing external devices to be operated or indicator
triggers to be sent, for example. This table shows the pin
allocation.
MENU
key on the main unit
ENTER
ENTER
connector. In addition, tally
connector,
PARALLEL
Pin number
Function
1
GND
2
TAPE PLAY REV
3
TAPE PLAY FWD
4
TAPE STOP
5
TAPE RECORD
6
TAPE REW
7
TAPE FF
8
TAPE PAUSE
9
TAPE RECORD TALLY
10
TAPE STOP TALLY
11
TAPE PAUSE TALLY
12
TAPE PLAY TALLY
13
TAPE DIRECTION TALLY
14
CD PLAY
15
CD STOP
16
CD CALL
17
CD PREVIOUS
18
CD NEXT
19
CD READY
20
CD FADER START
21
CD STOP TALLY
22
CD READY TALLY
23
CD PLAY TALLY
24
CD EOM TALLY
25
+5V*
In: +5V pull-up, external command reception active when
low (operates at ground of 30 ms or more)
Out: transport status display signal by open collector (15-V
dielectric strength, 35-mA maximum electric current)
*50-mA maximum supplied electric current
The illustration below shows an example of connection to
allow playback control of this unit using fader start and stop
signals.
TASCAM CD-A550/CD-A750
IN/OUT
In
In
In
In
In
In
In
Out
Out
Out
Out
Out
In
In
In
In
In
In
In
Out
Out
Out
Out
45

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