Williams Sound PPA R37 User's Guide download pdf (Page 15)

AUDIO SOURCE (M4)

The Audio Source control menu is used to configure the T35 for a proper audio source connection. The

transmitter will accept the following audio sources:

1) Balanced Microphone on a 3-pin (XLR) connector without simplex power.

Balanced Microphone with 12 volt simplex power (DIN 45596) on a 3-pin (XLR) connector.

3) Balanced/Unbalanced microphone without power on 1/4 inch jack

4) Balanced/Unbalanced Line on a 3-pin (XLR) connector.

5) Balanced/Unbalanced Line on 1/4 inch jack.

The Audio Source menu has three possible selections to choose from: MIC, SIMPLEX-MIC, or LINE.

To select the audio input:

1) Press the “ ” menu button (Figure 12) to access the LCD “Audio Source” (M4) screen.

2) Press the “+” or “-” menu buttons to select between MIC, SIMPLEX-MIC, or LINE.

3) When the desired audio input is displayed, press the “Set” button to save the change into memory

No additional action is necessary. After 30 seconds of inactivity, the LCD screen will return to the default

display.

HIGH PASS FILTER (M5)

The high pass filter will help to remove low frequency “noise” from the transmitted audio signal. This is

typically used when there is room noise, a line hum, or breath accents picked up from an improperly

installed microphone.

To select a High Pass Filter cutoff frequency:

1) Press the down “ ” menu button (Figure 12) to select the LCD “High Pass Filter” (M5) screen.

2) Press the “+” menu button to increase the cutoff frequency.

Each time the “+” button is pressed, the cutof

f frequency will be raised by 1/2 octave. This can be

repeated until the cutoff frequency reaches the maximum 700 Hz.

Press the “-” menu button to decrease the cutoff frequency. Each time the “-” button is pressed, the

cutof

f frequency will be lowered by 1/2 octave.

This can be repeated until the cutoff frequency

reaches the minimum 22 Hz.

3) When the desired cutoff frequency is displayed, press the “Set” button to save the change into

memory.

No additional action is necessary. After 30 seconds of inactivity, the LCD screen will return to the

default display.

IMPORTANT: Listen to the transmitted audio through the headphone jack, especially when decid-

ing on an appropriate high pass filter. This is a good way to ensure the listening audience is going to

eceive the highest audio quality.

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Williams Sound PPA R37 User's Guide Page 15