Figure 28 AV mic to HP ear, single-ended loop measurement. 62.5 kHz lowpass filter is used to attenuate noise from the
signal. The filter is optional.
Figure 29 Ext microphone in Int handsfree out, single-ended loop measurement without filter.
RM-424; RM-564
BB Troubleshooting and Manual Tuning Guide
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COMPANY CONFIDENTIAL
Issue 1
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