Roland SI-24 用户手册

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页码 52
18
Preparing to use the SI-24
Using the digital input
The output of a digital audio device (e.g., electronic musical instrument, DAT 
recorder, or the Roland VS series) connected to the SI-24 can be input to RPC-1 while 
still in digital form.
If you want to use the DIGITAL IN input, use the following procedure to change the 
settings.
1. Connect the SI-24’s DIGITAL IN connector to the digital out connector of your 
digital audio device.
2. Press 
[DIGITAL IN]
 to turn it on (lit).
* In case 
[DIGITAL IN]
 blinks after pressing, no digital signal is coming to DIGITAL IN jack. (The 
blinking of 
[DIGITAL IN]
 stops after a while and turns off.) Please check the connection or signal 
from digital audio devices in such case. 
3. Change the RPC-1 settings.
3-1. Access the RPC-1 Control Panel.
For details on operation, refer to the column “How to open the RPC-1 control 
panel” (p. 20).
3-2. Select the “Hardware Settings” tab.
fig.digital-**
3-3. Change the “Master Clock” setting from 
“Int. Clock” (Internal Clock) to “Ext. Clock” 
(External Clock).
fig.digital-**
3-4. Change the “Ext. Clock Sample Rate” 
setting the same frequency as the output of 
the digital audio device.
3-5. Click
to close the RPC-1 Control Panel.
When you have finished making RPC-1 settings, the input from DIGITAL IN 
will be sent to the RPC-1, instead of the analog input from INPUT 7–8.
4. If you want to use the input from INPUT 7–8, turn 
[DIGITAL IN]
 off (dark). Then 
change the RPC-1’s “Master Clock” setting to “Int. Clock.”
The SI-24’s digital interface 
complies with IEC60958 
(consumer format). If you 
want to use the digital input, 
use a digital audio device that 
How word clock is handled 
on the SI-24
When 
[DIGITAL IN]
 is off 
(dark), the SI-24 will 
synchronize to the word clock 
of the RPC-1. However, when 
[DIGITAL IN]
 is on (lit), the 
SI-24 will synchronize to the 
word clock of the digital audio 
device. In this case, the RPC-1 
will also need to synchronize 
to the word clock of the digital 
audio device. In order for this 
to happen, you must change 
the settings of the RPC-1 
(step 3).