7830 Dual input channel 3-33
Revision J2005-2 J-Type
616178 /3#)LOWHU#¶,Q22XW·
Press the “LP IN” button to put the Low Pass Filter into the channel signal chain.
616179 +3#)LOWHU#¶, Q22XW·
Press the “HP IN” button to put the High Pass Filter into the channel signal chain.
61617: (4#DQG#)LOWHUV#¶3UH·#RU#¶3RVW·#,QVHUW
The default routing for the EQ and Filter sections is ‘post’ the insert point.
Press the “PRE INS” button to re-route the EQ and Filter sections ‘pre’ the insert
point.
61617; /3)#) UHTXHQF\
Variable frequency control for the Low Pass Filter. The ‘knee’ frequency can be var-
ied from 1.2kHz to 20kHz. The position of the ‘LP Freq’ potentiometer is recorded
during a SAVE command.
61617< /3)#) UHTXHQF\#3RW#1XOO#/('
The Null LED will be illuminated if the position of the Low Pass Filter pot is different
from the programmed position. To recall the programmed position, rotate the potenti-
ometer until the LED goes ‘out’.
616183 +3)#)UHTXHQF\#
Variable frequency control for the High Pass Filter. The ‘knee’ frequency can be var-
ied from 14Hz to 400Hz. The position of the ‘HP Freq’ potentiometer is recorded dur-
ing a SAVE command.
616184 +3)#)UHTXHQF\#3RW#1XOO#/('
The Null LED will be illuminated if the position of the High Pass Filter pot is different
from the programmed position. To recall the programmed position, rotate the potenti-
ometer until the LED goes ‘out’.Insert ‘In/Out’
616185 ,QV HUW#,Q22X W
All input channels have a “SEND” and “RETURN”
break-jack
facility. This is to allow
the channel signal to be sent out to, and returned from an external audio-processing
unit. The channel signal is always present at the “SEND” jack, but when ‘insert’ is not
selected, the channel signal will by-pass the “RETURN” jack.
Press the “INS” button to ‘open’ the “RETURN” jack and receive the modified signal
from the external audio-processing unit.
616186 $OO#0RGXOH#,VRODWH
This function ‘isolates’ the module switch and potentiometer recall data from the
computer. There are many instances during a production rehearsal, when module
routing or level changes need to be made to solve a problem. When you are rehears-
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