Motorola GP140 Series Сервісна інформація - Сторінка 21

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Voice Storage (GP1280)

2-11

Audio routing to the Voice Storage circuitry during receive message recording, message playback,

personal memo recording and voice prompt transmit over the air are as follows:

Received Message Recording

The receive audio is tapped from the Rx_Aud_Rtn pin of the ASFIC_CMP during receive mode.

Message Playback

Message playback is via the FLAT_RX_SND pin of ASFIC_CMP. In the ASFIC_CMP, the signal is

routed via the Side-Tone path to the Receive path where playback audio is routed to the speaker.

Personal Memo Recording

In this mode, voice is pick-up at the Mic. and via the Side-Tone path will be directed to the

Rx_Aud_Rtn pin, which is then routed to the voice recording chip.

Voice Prompt transmit over the air

A personal voice prompt or Out-Of-Office Message which is stored in the IC can be transmitted over

the air through mic path in the ASFIC_CMP to the calling party. This feature is similar to the

Telephone Answering Machine feature when the person called is not available to attend the call.