Overview
177
Audio Level Adjustments
In this chapter:
•
Dual Channel Card Audio Levels
•
•
Console Line Loss Compensation
•
•
Auxiliary Audio Input Adjustment
•
Overview
For optimum performance, the audio levels at each input and output must be adjusted.
Adjustments are necessary at each DCC and each button-based console.
summarizes adjustments and location of the adjustments.
test points and adjustments.
The audio levels have been factory adjusted for a transmit level of 0dBm and a minimum
receive level of -15dBm.
Adjustments should only be made once the configuration, wiring, and preliminary system
check have been completed. In addition, levels are best adjusted when the system is
connected to the intended radio base stations.
Required Equipment
• Communication Service Monitor
• Zetron S4000 Channel Monitor RS-232 Cable, 709-7452
• Digital volt meter equivalent to or better than a Fluke 189 True RMS (Digital)
Multimeter, or an Oscilloscope with sufficient accuracy for the small audio levels
involved
Содержание 4000 Series
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Страница 88: ...Common Control Equipment Installation 88 025 9533Y Figure 22 Console Duplex Wall Jacks...
Страница 110: ...Common Control Equipment Installation 110 025 9533Y...
Страница 172: ...Console Installation 172 025 9533Y...
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Страница 236: ...Console ANI Programming 236 025 9533Y...
Страница 339: ...339 RSMP Operation Figure 99 Main Screen...
Страница 350: ...Radio System Management Program 350 025 9533Y...
Страница 362: ...Appendix B Troubleshooting 362 025 9533Y...
Страница 417: ...417 Index wiring accessories 164 wall jack 86 wiring diagram for M4219 244 X XMT button labels 332 XP settings 247...
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