Tascam DM-4800, Руководство пользователя

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2 – Basic operational concepts : Utilities
46
TASCAM DM-4800 User’s Manual
Making connections
The specifications of the
GPI ports on the rear panel are as follows:
Arrangement of the serial port pins:
Setting the GPI
GPI settings are made using the
UTILITY GPI
screen.
The GPI CONFIG section on the left of the screen allows
you to set the item and the type of the GPI trigger for
each of the ports and the on/off status of the GPI
function.
The right side of the screen allows you to the event
that happens at a particular time, when the GPI is
controlled by timecode.
GPI CONFIG section
Use the cursor keys to
select the elements in this list.
Use the POD 1 knob to set the item that controls each
of the GPI ports in the
ITEM column of the SETUP list.
1 Pre-select the item type from the
ITEM SELECT
section
TIME EVENT : The GPI port is controlled by the
timecode value on the right event list.
KEY EVENT : The status of the transport keys, the
F1 - F12 keys, and the MUTE keys control the
GPI port.
FADER EVENT : The GPI port is controlled by the
status of the selected fader.
2 Using the cursor key, highlight the port’s ITEM
column, and select the item using the wheel.
Depending on which item type is selected in step 1
above, the options given vary as follows:
•
TIME EVENT : TIME EVENT or no assignment ( ------ )
•
KEY EVENT
:
REW
,
FF
,
STOP
,
PLAY
,
REC
,
F1-F12
,
MUTE
( CH1 – 64 , BUSS1 – 24 , AUX1 - 12 ), or no assignment
( ------ )
•
FADER EVENT : FADER ( CH1 – 64 , BUSS1 – 24 , AUX1 - 12,
STEREO ) or no assignment ( ------ )
3
Press the ENTER key to confirm the setting.
Selecting the type
The type of output from each
of the ports is set in the TYPE column in the SETUP list.
4 Using the cursor keys, highlight the port’s
TYPE
column and select the item using the wheel.
Depending on the item selected, the options
given vary as follows:
•
TIME EVENT : TYPE column shows “------”; the set-
ting of the type is done in the GPI EVENT LIST on
the right of the screen.
• FADER EVENT : the different event types are listed
below:
Pin number Function
1 GPI output port 1
2 GPI output port 2
3 GPI output port 3
4 GPI output port 4
5 GND
6 GPI output port 5
7 GPI output port 6
8 GPI output port 7
9 GPI output port 8
Table 2.4: GPI pin assignments (output level: 5V)
Figure 2.44: GPI setting screen
output low pulse when the fader starts
output high pulse when the fader starts
output low pulse when the fader stops
output high pulse when the fader stops
i
output low pulse when the fader starts or
stops
output high pulse when the fader starts or
stops
output changes to low level when the fader
starts, and to high level when the fader stops
output changes to high level when the fader
starts, and to low level when the fader stops
Table 2.5: GPI fader event types