D3.18 Installation and Configuration M8SL2-00-002-812
© Copyright Tait Electronics Limited August 2004. All rights reserved.
• If there is still a problem after the squelch gating level has been adjusted as much
as practicable, it becomes necessary to reduce the separation between the T803
Line-In and Line-Out levels. This separation may need to be reduced to less than
8dB for 12dB receiver audio SINAD (or less then 12dB for 14dB receiver audio
SINAD). To achieve this, adjust the relative input and output levels of the dispatch
console. Again, this has the effect of reducing the noise on the line input of the
T803.
If the above solutions do not help resolve the problem, the 2-wire line loss may be too
severe and unacceptable for normal 2-wire T803 operation. In this case an external hard-
ware solution involving a notch filter fitted to the receiver audio path (TA1086-01) and a
2-wire/4-wire hybrid fitted across the line may be required. This solution has been veri-
fied and documentation is available detailing how to install the TA1086-01. Contact
your your nearest Tait Dealer or Customer Service Organisation for more information.
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