User Manual

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Soundcraft Si Expression User Guide V1.0 0213
AUDIO INTERROGATE
The Si EXPRESSION offers a quick and convenient method for checking and in many cases
changing the status of many parameters, this is known as ‘interrogate’.
Example #1 – To check the status of the LR routing switch from inputs to the main LR bus:
a. Select a fader bank that includes inputs.
b. Press and hold the LR routing key.
c. The SELect keys on any channels routed to LR will light.
d. While holding the LR key you may toggle the status of the LR routing on any channels or
busses by pressing the SELect keys of the channels or buses you wish to include/exclude
from the routing.
Interrogate operates on the following audio functions whose status may then be toggled with
SELect key:
48v ON/OFF
Phase Reverse ON/OFF
HPF IN/OUT
GATE IN/OUT
COMPressor IN/OUT
EQ IN/OUT
LR routing ON/OFF
MONO routing ON/OFF
NOTE: When entering interrogate mode the status of the switch you press and hold is
not changed.