Title…………………………………..………..……..………....…..i
Supplied accessories…….…………….……...……........................ii
Safety summary...............................................................................iii
Safety notes…………….……………..………..……….…............iii
Customer responsibility…….…….…....……...................................v
Warranty ..........................................................................................vi
Specifications .................................................................................vii
Electromagnetic compatibility………..…….....………...................x
Unpacking and inspection..............................................................1-1
Recycling / disposal.......................................................................1-2
Installation ....................................................................................1-3
Rear panel connectors....................................................................1-3
Bottom panel .................................................................................1-3
Bottom panel .................................................................................1-5
Controls and indicators..................................................................1-6
LCD display...................................................................................1-8
AC power.....................................................................................1-10
Connecting the AC power………….….………...…..…….........1-10
Disconnecting the AC power……….…….……....……........….1-10
Battery operation ..........................................................
...............1-11
Sleep mode ..................................................................................1-11
Low battery indicator ..................................................................1-11
Replacing the batteries ................................................................1-12
Removing batteries………………….…….…...……..….......…1-13
Placing new batteries……………….…….…...…………....…..1-14
Preliminary check..........................................................................2-1
Pretest noise recovery period.........................................................2-2
Test environment ...........................................................................2-3
Providing patient instructions........................................................2-4
Placing the earphones....................................................................2-4
Response handswitch………..….……………...….………….....2-5
GSI Audiogram form………………....…………….….……...…2-5
Routine test administration............................................................2-6
Transducer selection……………….………….....….…......…….2-6
HL knob………..…………………..……………........…...……..2-6
Range Extension pushbutton………..………….…..........……....2-7
Tone Type selector…………………..……………..........…….....2-7
Typical testing session ..................................................................2-8
Pretest review………………………..….……...….…….....……2-8
Familiarization……………………..………...……..….....……...2-8
Determining the threshold (Pure Tone)….……….....….…....…..2-9
Testing procedure……………………….…..…….…….…....…..2-9
Chapter 1
Introduction
Chapter 2
Operation
1718-0100 Rev. E