QSC Audio DSP-4 RS-232 Stereo System User Manual


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2 DSP0009 rev. A.
Contact information
This bulletin is available for download from the Service Bulletins page in the
Tech Support
section of the QSC Audio Web site:
http://www.qscaudio.com/support/technical_support/bulletins.htm. If you need any further information regarding this
service procedure, please contact QSC Technical Services at the addresses or numbers below.
Telephone:
1-800-772-2834 (within USA only)
+1 (714) 957-7150
Fax:
+1 (714) 754-6173
E-mail:
tech_support@qscaudio.com
Web sites:
www.qscaudio.com (product info/support)
www.qscstore.com (on-line accessory and replacement component sales)
Postal and parcel address:
QSC Audio Products, Inc.
Technical Services Group
1665 MacArthur Blvd.
Costa Mesa, CA 92626 USA
Reassembly
7. Reassemble the two PCBs by
connecting the two headers J10 and
J1.
8. Insert the PCB assembly into the
chassis, while making sure the power
and signal LEDs are lined up correctly
in their appropriate openings.
9. Place the cover on the chassis. Insert
and tighten all 18 screws.
Procedure: Testing the DSP-4
1. Mount the DSP-4 to the rear of a QSC CX, DCA, PL2, or SRA Series amplifier equipped with a single DataPort (Figure 1).
2. Install the two long screws next to the DataPort.
3. Install the #8-32 screw to secure the right side of the DSP-4 to the amplifier.
4. Plug a 9-pin serial cable into the DSP-4’s RS-232 connector (Figure 3).
5. Plug the other end of the serial cable into an available COM port on your computer. Tighten the retaining screws.
6. Turn the amplifier on and confirm that the DSP-4 has power.
7. Launch the Signal Manager application.
8. Confirm that the DSP-4 can communicate with Signal Manager.
Figure 3. Connect the DSP-4 to the computer via the 9-pin serial port.
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