Audio I/O Tests - Tait TB8100 User Manual

Audio I/O Tests

154 Part H: Diagnosing
The Audio I/O form (Diagnose > Reciter > Audio I/O) lets you measure the
level of any audio input or put a 0 dBm signal tone on the balanced or
unbalanced line out.
In the Input area, the Audio Input gauge displays the level of the current audio
input. In the Output area, the Audio Output gauge displays the audio level of
the line out selected by the option buttons. The display continues to update
every 500 ms.
Measuring the Audio Input Level
The reciter can measure the level of the current audio input and display it on
the Service Kit.
You can use this diagnostic tool in the following situations:
Troubleshooting: the measurement shows you whether audio is arriving at
the base station.
Adjusting the audio output of other equipment such as a console.
Defining channel profiles: the measurement tells you the actual input level
so that you can specify a value for the expected input level.
Audio that is input during the test is not transmitted, because
Note:
the base station goes into standby mode for the test.
To measure the audio input level
1. Make sure that audio is being fed into one or more inputs on the reciter's
system interface.
2. Select Diagnose > Reciter > Audio I/O.
3. Click the appropriate option to select the type of input you want to
measure.
4. In the Input area, click Start Test.
The Audio Input gauge displays the audio level. The numeric value of the
level appears under the gauge heading. The value is displayed in red if it is
off the scale of the gauge. Levels are measured over a window of 100 ms and
updated twice a second.
5. Click Stop Test or return to Run mode to end the test.
MB8100-00-00-806 © TEL 2003