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4—Panel Descriptions
18 S-1608/S-0816 Digital Snake Owner’s Manual
1—INPUT Connectors
Each Input Channel provides balanced input jacks with female XLR connectors. Each input has a
variable gain preamp that accepts signals from -65 to +10 dBu (+28 dBu maximum). Additionally,
there are three status indicators for each input:
•
CLIP
—lights red when the input signal exceeds 0 dB (after A/D conversion).
•
SIG
—lights green when the input signal is greater than -40 dB (after A/D conversion).
•
+48V
—lights orange when +48V phantom power is supplied from the channel.
2—OUTPUT Connectors
Each Output Channel provides balanced output jacks with male XLR connectors. Signal output is +4
dBu typical, +22 dBu maximum.
3—REMOTE Indicator
The REMOTE indicator lights in orange when an S-1608/S-0816 system is communicating with
another device via the RS-232C connection. If no RS-232C device is connected, or if a problem occurs
in transmitting via the RS-232C connection, the indicator flashes or goes off. See Page 47 for more
information.
4—REMOTE Connector
This D-Sub 9-pin female connector is provided for remote control and signal monitoring of the
S-1608/S-0816 System from an external device supporting the RS-232C serial interface protocol.
Normally, you’d connect the S-4000R Remote Controller to this connector using the supplied DB-9
cable. If you’re using the S-4000 RCS on a computer, connect the computer’s RS-232C port to this
connector.
Although changes may not seem smooth when adjusting preamp gain using an S-4000R remote
controller or an S-4000RCS (remote control software) on a computer, this is not a malfunction.
Some noise is also generated when switching between the following gain levels. This is not a
malfunction.
Three locations when Pad=ON: +3
↔
+2, -13
↔
-14, -19
↔
-30 (dBu)
Three locations when Pad=OFF: -17
↔
-18, -33
↔
-34, -49
↔
-50 (dBu)
The S-4000R upgrade allows the gain level to be verified with numerical values.
See the Roland website for the version that supports this feature and how to upgrade.
http://www.rolandsystemsgroup.net
Preamp gain adjustment and phantom power status can be controlled from the S-4000R Remote
Controller or from a computer using the S-4000 RCS.
See Chapters 6 and 7 for information about remote control of the S-1608/S-0816 System. See
Appendix B: Connector Information
for a diagram of the REMOTE (RS-232C) connector.
S-1608_e.book 18 ページ ２００７年４月２３日 月曜日 午後１２時５７分