La-audio PC90 User Manual download pdf (Page 5)

www.laaudio.co.uk 9

Getting Started.

INSPECTION & UNPACKING

The PC90 is carefully packed at the factory in a carton designed to withstand

transit handling, however, if transit damage is evident, DO NOT discard any of

the packaging and notify the carrier immediately, it is they who are responsible

for any claims.

OPERATING ENVIRONMENT

The units are designed to operate between 0 and 50 deg C (32-122 F) and in an

atmosphere of relative humidity up to 80%.

POWER REQUIREMENTS

Each unit is powered by a 9V PP3 battery, which is fitted by removing the

battery cover and attaching the battery to the connector provided.

Operating Instructions.

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.

Once the emitter’s signal has been fed through the system, the receiver will tell

you whether it has arrived in or out of phase by its green and red LEDs. Like

the emitter, the receiver can accept audio signals in one of three ways:

• Selecting INT uses the internal microphone.

• Selecting EXT allows an external microphone to be used. Remember,

though, that the unit cannot provide phantom power for connected mics.

• Selecting LINE allows a line level signal to be used.

When using XLR connections, a selector switch on both the emitter and

receiver allows the system to adapt for different wiring conventions – either

pin 2 hot or pin 3 hot. Make sure that both of these are set to the same state,

and that this matches the cables in use.

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La-audio PC90 User Manual Page 5