Welch Allyn TM 262 - Page 7

Revised 4/11/08 iii
Table of Contents
RS-232 Interface 5
Introduction............................................................................................................................ 5-3
Operation................................................................................................................................ 5-3
Record Formats...................................................................................................................... 5-4
General record format.............................................................................................................. 5-4
Tympanometry and Reflex test results record ......................................................................... 5-5
Audiometry test results record................................................................................................. 5-9
Notes ........................................................................................................................................ 5-9
Data Transmission Protocol .................................................................................................5-11
Data Transfer Program Mode ............................................................................................ 5-12
RS-232 Interface .................................................................................................................. 5-13
Interface configuration........................................................................................................... 5-13
Cable connections .................................................................................................................. 5-13
Communications flow control ............................................................................................... 5-13
Bibliography 6
Specifications 7
Specifications.......................................................................................................................... 7-3
Tympanometry/Reflex modes.................................................................................................. 7-3
Pneumatic system .................................................................................................................... 7-3
Acoustic Reflex Stimuli........................................................................................................... 7-4
Probe LED Indicators .............................................................................................................. 7-4
Audiometry mode ................................................................................................................... 7-5
Power ....................................................................................................................................... 7-5
Environmental.......................................................................................................................... 7-5
Mechanical............................................................................................................................... 7-5
Intensity Levels........................................................................................................................ 7-6
Tone Format: ........................................................................................................................... 7-6
Transducers .............................................................................................................................. 7-6
Printer....................................................................................................................................... 7-6
Supplied accessories ................................................................................................................ 7-7
Optional Accessories ............................................................................................................... 7-7
Catalog Listing......................................................................................................................... 7-8