Speaker microphone TPH 900 (“Speaker microphone”) is optional accessories of TETRAPOL system portable radio TPH 900. It enables clear and comfortable voice communication via TPH 900 terminal. Speaker micro- phone TPH 900 has sophisticated acoustic and optical signalling functions and there are also additional customer definition functions for example white lamp.
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4 Speaker microphone operation Transmit and receive calls Press PTT button on the side of the speaker microphone to transmit the call and speak into the micro- phone. Set required volume on the radio to receive the incoming call. Acoustic signalling It is possible to select between three modes of PTT acoustic signalling and network indication for conven- ient radio operation.
Yellow button function There is a yellow button on the top of the speaker microphone. It is possible to set button function by the producer in accordance with customer’s requirements: 1. WHITE LAMP – Yellow button has a lamp (torch) function. Intensive white light lights up on front side of the speaker microphone for seven seconds after pressing yellow button.
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