Mackie SP-DSP1 Quick Start Manual
Text of the manual
Before installing the SP-DSP card, please
read this Quick-Start Guide carefully and keep
it for future reference.
CAUTION! This circuit board is
static sensitive, and is packed in
an anti-static bag. Please use
anti-static precautions when
handling the SP-DSP card, such as the use of
an electrically grounded wrist band and anti-
static mat.
WAR
Installing the SP-DSP1 Card
Note: These instructions describe how to install one SP-DSP1 into the Zone A side of the SP2400.
A second SP-DSP1 may be installed in the Zone B side. The instructions for Zone B are the same
unless otherwise indicated.
Install SP-DSP1 Board
4.
Using a pair of needlenose pliers,
carefully remove the jumper from J4 pins
10 and 11 o
Snap the square end of the four nylon
standoffs into the four square holes on the
input board. Avoid flexing the circuit board
by supporting the outer edge of the board
while pressing down on the standoffs.
Install Power Supply Expansion
Board
10. Remove two screws from the main Power
Supply board, nearest the front of the unit.
Place the Power Supply Exp
DSP board (leave disconnected if installing
only one DSP card). Route the cable
between the two heatsinks.
TO DSP BOARD
FRONT PANEL
LED BOARD
TO CPU BOARDS
J4
Reinstall the Top Cover
14. When placing the top cover back onto the
chassis, be sure all the wiring is properly
routed between and beside the heatsinks
to avoid pinching the wires between cover
and ch
MG (Minimum Gain)
This control defines the lowest level to
which the system can attenuate the program
signal. It has a minimum setting of –40 dB
and a maximum setting of 0 dB.
GR (Gain Range)
This control defines the amount of gain
change allowed by the Automatic Level Control.
It has a minimum setting of 0 dB and a maxi-
mum setting
