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 37 page image

Operating Instructions MA 42Operating_Instructions_8100460-6_MA42_e_15a 35 8100460-6 1/156 Quick reference guide6.1 General Setup6.1.1 Startup settingsAir conduction on both channelsPure tone on both channels30 dBHL on both channelsPresenter mode6.1.2 Receiver selectionNext select the transducer to be used, headphones (Phones) or insert phones(Insert), by pressing the appropriate button.Press either the right (10) or left (16) RECEIVER key to select the receiver(Phones, Insert, Bone, Speaker). The display shows the selected receiver at thetop of the display screen below the presentation levels.It is not possible to select Bone on both channels simultaneously.After a new selection the level will be reset to 30 dBHL.6.1.3 Signal selectionPress either the right (11) or left (15) SIGNAL key to select the signal. The kindof NOISE signal depends on the signal of the opposite channel. Speech maskingnoise is used if a speech signal is selected on the opposite channel (see alsochapter 5.2.5). The display shows the selected signal on the bottom line of thedisplay.6.2 Tone and speech audiometry6.2.1 How to select tone or speech audiometry modeThere are two modes of audiometry.Tone audiometry: shows level and frequency on the displaySpeech audiometry: shows level and additional the ratio of correct and incorrectwords and speech discrimination in percentage on the display for the WRS testUse the MODE button (18) to switch between tone and speech mode.