Acer AT2001 AT2001 Service Guide - Page 29

Sound Systems The System has a feature that allows reception of sound other than the main audio for the program. This feature is called Multi-channel Television Sound (MTS). The System with MTS can receive mono sound, stereo sound and Secondary Audio Programs (SAP). The SAP feature allows a TV station to broadcast other information, which could be audio ( mono ) in another language or something completely different like weather information. The images display examples when receiving MTS and SAP are as follows: Input Sound Mode Stereo Mode Sound Key Pressed Stereo Mono Main + SAP Mode Main SAP Dual Stereo + SAP Mode Stereo SAP Mono Mono Mode Mono Mono • Stereo broadcasts View programs like live sporting events, shows and concerts in dynamic stereo sound. • SAP broadcasts Receive TV broadcasts in either MAIN or SAP sound. MAIN sound: The normal program soundtrack (either in mono or stereo). SAP sound: Listen to second language, supplementary commentary and other information. (SAP is mono sound.) • Once "MONO" mode is selected, the sound remains mono even if the System receives a stereo broadcast. You must switch the mode back to "STEREO" if you want to hear stereo sound again. • Selecting MPX while in the input mode does not change the type of sound. In this case, sound is determined by the video source.