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24 TASCAM HD-R1
5–Parallel Interface
The parallel port (25-pin D-sub connector on the rear
panel) can be used to remotely control the HD-R1’s
playback using logic signals. By default, the input
signals are active low (normally high). Each input pin
has a built-in 10 kΩ pull-up resistor to 3.3V. Closing
a switch between an input pin and ground (pins 23
and 24) normally activates that input by pulling
it low. If needed, the polarity of the input signals
can be changed using
Main Menu
˘
System
Settings
˘
Parallel Port ˘ Input
Polarity
.
The HD-R1’s busy status is communicated using
internal, solid-state relays to make or break a
connection between two pins on the parallel port.
There are two busy relays. They can be congured as
normally-open or normally-closed, and may indicate
a variety of conditions depending on the settings
found at
Main Menu
˘
System Settings
˘
Parallel Port
. These include indicating when
the HD-R1 status is
Playback
,
Recording
,
Finished
,
Ducking
,
CF Door
or
Media
Full
.
A switch connection applied between pin 17 and
ground (pins 23 and 24) is equivalent to pressing the
STOP key with the default “Active Low” parallel port
polarity.
External play has three modes:
Direct Play
,
Binary Play
, and
Program Play
. This
mode is set using
Main Menu
˘
System
Settings
˘
Parallel Port ˘
Parallel Mode
. Each mode interprets the input
signals differently.
Pin Direct Play Binary Play Program Play
1 Controls track 1 Bit 0 Unused input
2 Controls track 2 Bit 1 Unused input
3 Controls track 3 Bit 2 Unused input
4 Controls track 4 Bit 3 Unused input
5 Controls track 5 Bit 4 Unused input
6 Controls track 6 Bit 5 Unused input
7 Controls track 7 Bit 6 Unused input
8 Controls track 8 Bit 7 Unused input
9 Controls track 9 Bit 8 Unused input
10 Controls track 10 Bit 9 Unused input
11 Controls track 11 Unused input Unused input
12 Controls track 12 Unused input Change to previous folder/playlist
13 Controls track 13 Unused input
PLAY
14 Controls track 14 Unused input
SKIP ≤
15 Controls track 15 Unused input
SKIP µ
16 Controls track 16 Unused input Change to next folder/playlist
17
STOP STOP STOP
18 RECORD RECORD RECORD
19 BUSY1a BUSY1a BUSY1a
20 BUSY1b BUSY1b BUSY1b
21 BUSY2a BUSY2a BUSY2a
22 BUSY2b BUSY2b BUSY2b
23 GROUND GROUND GROUND
24 GROUND GROUND GROUND
25 DC5V* DC5V* DC5V*
*Maximum supplied current = 200 mA
Parallel Port Pinout