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 29 page image

Operating Instructions MA 42Operating_Instructions_8100460-6_MA42_e_15a 27 8100460-6 1/15by selecting swap. The current settings of the channels are exchanged. Settingsfor the swap function can be adjusted in the user menu.Select Phones, Insert, Bone or Speaker (only calibrated receivers are available)by the receiver select button (10), (16).5.2.3 Speech Audiometry with Microphone or CD PlayerConnect the microphone or CD player to corresponding input (10) on the rearside of your MA 42. Set the signal of the test channel to microphone or CD bythe functional selector button (11), (15). Make sure that the input signal iscalibrated correctly, like described above. Select the test SRT, WRS, MCL or UCLby the functional button (13).For SRT set the level to the recommended start value and decrease or increasethe level according to a correct or not correct response, this procedure resultsin the level of the SRT. Press the store button (3) to document the result.For the WRS test, the level remains fix and the correct and not correct answersare entered by the frequency plus (4) and minus (5) button. Store theestablished WRS value and proceed at the next level. To clear the word counter,press the Reset key (6) on the left side of the display.If MCL is selected, the level need to be adjusted till it is comfortable to listen to.Then store the value by the store button (3).For the UCL test the level is increased till it is indicated as uncomfortable andthe result stored by pressing the store button (3).