User Manual
Contents. Copyright Information. 4 Thank You. 5 Important Safety Information. 6 Introduction. 7 Getting Started. 8 Operating Instructions. 9 Application Notes. 10 Cable Testing. 11 Specifications. 12 Warranty. 13 www.laaudio.co.
Copyright Information. Thank You. © LA Audio, 2005. All rights reserved. By buying PC90, you have joined the ranks of the thousands of professional engineers, installers and musicians who choose LA Audio. We hope your PC90 brings you many years of enjoyable polarity checking! The information in this document is subject to change without notice.
Important Safety Information. Introduction. COVERS The PC90 is an advanced measuring system which allows you to check the polarity of any electronic audio signal path. It’s an ideal tool for numerous applications and should take pride of place in your toolbox. DO NOT remove the covers. Refer servicing to qualified personnel only. MOISTURE DO NOT expose the unit to rain or moisture.
Getting Started. Operating Instructions. INSPECTION & UNPACKING During operation, the emitter produces a series of special pulses which are fed into the system by using either the built-in speaker or by connecting the XLR output to a line or microphone input. The line output level can be adjusted using the front panel control knob, however the speaker level is fixed.
Application Notes. Cable Testing. There are various applications for the PC90. Below are a few suggestions about how to get the best from your PC90. The PC90 is designed to be a polarity tester for electronic audio systems, not specifically a cable tester. • Feed the signal from the emitter into a PA system and place the receiver in front of each loudspeaker in turn to ensure that the system is in-phase.
Specifications. Warranty. GENERATOR Your LA Audio PC90 has been manufactured to a high standard using quality components. If correctly installed and operated the unit should give years of problem free operation.
www.laaudio.co.uk info@laaudio.co.