Maico MA 42 Operating Instructions Manual

Also see for MA 42: Operation manual Operation manual Quick guide Manual Service manual

Contents

Maico MA 42 Operating Instructions Manual Manual pdf 30 page image

Operating Instructions MA 42Operating_Instructions_8100460-6_MA42_e_15a 28 8100460-6 1/155.2.4 Speech Audiometry with WAVE FilesIf Wave is selected by the speech signal selector (11) or (15) a menu will pop-up with available word lists, stored on the SD memory card. A word list can beselected by using the level control (1) to scroll through the list. A list can beloaded by pressing the stimulus button. The words of the list will be displayedin the speech audiometry screen.The level is displayed as a numerical value at the top of the screen. The levelcan be changed with the level controls (1) on both sides of the instrument.Before starting the playback of the wave files, the first word can be selected bythe frequency up and down buttons (4) and (5). Press the functional buttonPlay (7) to start or pause the playback of the wave files.The procedure for the SRT, WRS, MCL and UCL test is the same like for CD ormicrophone testing, described above. For the SRT test a word need to beselected in the wordlist by the frequency up (4) or down (5) key. When thebutton Play (7) is pressed, the selected word is presented. Increase or decreasethe level in case of a correct or incorrect response till the SRT is estimated andstore the result by pressing the button Store (3).For the WRS test tally the correct words by pressing the frequency up (4) keyand the incorrect words by pressing the frequency down (5) key. The next wordwill be played back automatically. Press the functional button Pause (7) tointerrupt the play back.The percentage of the speech discrimination score is displayed and will bestored in the speech table or audiogram as soon as store (3) is pressed.Figure 12 - List of Speech Test Wave Files