Maico MA 53 Operating Instructions Manual

Contents

Maico MA 53 Operating Instructions Manual Manual pdf 32 page image

Operating Instructions MA 53Geba_MA53_e_13a.doc 30 851 430/3 11/116 Quick reference guide6.1 Startup settingsAir conduction on both channelsPure tone on both channels30dBHL on both channelsPresenter mode6.2 Receiver selectionPress either the right  or left  RECEIVER key to select the receiver (AC, BC,FF, INSERT). The display  shows the selected receiver below the levels.Not available receivers will be skipped. It is not possible to select bone on bothchannels simultaneously.After a new selection the level will be reset to 30dBHL.6.3 Signal selectionPress either the right  or left  SIGNAL key to select the signal. The kind ofNOISE signal depends on the signal of the opposite channel. Speech maskingnoise is used if on the opposite channel the speech signal is selected. (see 6.4below). The display  shows the selected signal below the receiver text.The 5. Position is signal off. The light at the signal key  or  and the STIMLED  or  is off and the level in the display  is erased.6.4 Select tone or speech audiometry modeTone audiometry: shows level and frequency on the display Speech audiometry: shows level, correct and incorrect words and speechdiscrimination in percentage on the displaySignal left Signal right ModeTone Tone ToneTone Noise (NBN) ToneTone Tape/CD or LV ToneNoise (NBN) Tone ToneTape/CD or LV Tone ToneTape/CD or LV Tape/CD or LV SpeechTape/CD or LV Noise (Speech) SpeechNoise (Speech) Tape/CD or LV Speech