AmpliVox 270+, Operating Manual

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ii
D-0126050 rev 1 - 270+ Operating Manual
TABLE OF CONTENTS
1. INTRODUCTION 5
1.1. T
HANK YOU
5
1.2. I
NTENDED APPLICATIONS
5
1.3. C
ONTRAINDICATIONS
5
1.4. S
TANDARD AND OPTIONAL ACCESSORIES
6
1.5. W
ARNINGS
6
2. UNPACKING AND INSTALLATION 7
2.1. G
ENERAL
7
2.2. M
ARKINGS
7
2.3. S
AFETY INSTRUCTIONS
8
2.3.1. General 8
2.3.2. Cautions – General 9
2.3.3. Environmental factors 10
2.3.4. Electrical and electrostatic safety 10
2.3.5. Electromagnetic compatibility (EMC) 10
2.3.6. Explosion hazards 11
2.3.7. Measuring accuracy 11
2.3.8. Miscellaneous 11
2.3.9. Use of equipment after transport and storage 11
2.3.10. Mains Supply Operation 12
2.4. C
ONNECTIONS
12
2.5. C
ONTROLS AND
I
NDICATORS
(B
ASE
U
NIT
) 13
2.6. L
IGHT
I
NDICATORS
14
2.7. H
ARDWARE INSTALLATION
14
2.8.
THE SANIBEL MPT
-
II PRINTER
15
2.8.1. Installing the sanibel MPT-II Printer 15
2.8.2. Switching the Printer on and off 15
2.8.3. Using the Printer 15
3. PRINCIPLES OF OPERATION 16
3.1. O
TOSCOPIC EXAMINATION
16
3.2. P
RINCIPALS OF
P
URE
T
ONE
A
UDIOMETRY
16
3.3. P
RINCIPALS OF
S
PEECH
A
UDIOMETRY
16
3.4. P
RINCIPALS OF
F
REEFIELD
A
UDIOMETRY
16
4. USING THE 270+ 17
4.1. G
ENERAL PRECAUTIONS
17
4.2. S
WITCHING THE INSTRUMENT ON AND OFF
17
4.3. S
WITCHING
H
EADPHONES
17
4.4. O
PERATING
L
ANGUAGE
18
4.5. S
YSTEM
I
NFORMATION
18
4.6. F
UNCTION BUTTONS
19
4.6.1. Presenting a tone 19
4.6.2. storing a Test point 19
4.6.3. Talkover and Talkback 19
4.6.4. Menu Operation 20
4.6.5. Clear (on-screen results) 20