SoundCraft SM12 User Manual page 24

Jumper Options
(RH PCB)
Input and Output Levels
Input Module
Function Options
Insert point
J1, J2, J3 jumpers IN for pre-EQ
J4, J5, J6 jumpers IN for post-EQ
Group 1-4 Pre-fade signal
J11 jumper IN for pre-mute
J12 jumper IN for post-mute
Note: only one of the above two jumpers to be fitted at any one time.
Group 5-8 Pre-fade signal
J9 jumper IN for pre-mute
J10 jumper IN for post-mute
Note: only one of the above two jumpers to be fitted at any one time.
Group 9-12 Pre-fade signal
J7 jumper IN for pre-mute
J8 jumper IN for post-mute
Note: only one of the above two jumpers to be fitted at any one time.
Mix L-R Pre-fade signal
J13 jumper IN for pre-mute
J14 jumper IN for post-mute
Note: only one of the above two jumpers to be fitted at any one time.
XLR INPUT (electronically balanced)
Sensitivity
Maximum Input Level
Input Impedance
HI-Z INPUT (electronically balanced)
Sensitivity
Maximum i/p level
Input Impedance
INSERT SEND
Nominal Level
Maximum Output Level
0utput Impedance
INSERT RETURN (electronically balanced)
Sensitivity
Maximum I/P Level
Input Impedance
Default
pre-EQ
post-mute
post-mute
post-mute
post-mute
-2dBu to -70dBu (hi sens.),
+10dBu to 20dBu (low sens.)
+28dBu (low sens.), +18dBu (hi sens.)
2KΩ
+10dBu to -20dBu
+30dBu
>10KΩ balanced
+4dBu
+26dBu into 2kΩ
<75Ω
+4dBu
+26dBu
>10KΩ balanced
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